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cve-2021-22005-exp's Introduction

cve-2021-22005-exp

0x01 漏洞简介

2021年9月21日,VMware发布安全公告,公开披露了vCenter Server中的19个安全漏洞,这些漏洞的CVSSv3评分范围为4.3-9.8。

其中,最为严重的漏洞为vCenter Server 中的任意文件上传漏洞(CVE-2021-22005),该漏洞存在于vCenter Server的分析服务中,其CVSSv3评分为 9.8。能够网络访问vCenter Server 上的 443 端口的攻击者可以通过上传恶意文件在 vCenter Server 上远程执行代码。该漏洞无需经过身份验证即可远程利用,攻击复杂度低,且无需用户交互。

0x02 影响范围

  • vCenter Server 7.0 < 7.0 U2c build-18356314
  • vCenter Server 6.7 < 6.7 U3o build-18485166
  • Cloud Foundation (vCenter Server) 4.x < KB85718 (4.3)
  • Cloud Foundation (vCenter Server) 3.x < KB85719 (3.10.2.2)

6.7 vCenters Windows版本不受影响

0x03 漏洞分析

https://xz.aliyun.com/t/10524

https://testbnull.medium.com/quick-note-of-vcenter-rce-cve-2021-22005-4337d5a817ee

0x04 使用说明

注意:本exp只能打目标为Linux版本的vCenter。

帮助说明

usage: exp [-h] -t TARGET [-s SHELL] [-p PROXY]

optional arguments:
  -h, --help            show this help message and exit
  -t TARGET, --target TARGET
                        target url(e.g. https://192.168.1.1)
  -s SHELL, --shell SHELL
                        local webshell file path(default cmd.jsp)
  -p PROXY, --proxy PROXY
                        request proxy(e.g. http://127.0.0.1:1080)

本exp已对目标版本VMware vCenter Server 7.0.0 build-16323968测试通过。

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