cve/2017/CVE-2017-6542.md

### [CVE-2017-6542](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6542)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which trigger a buffer overflow.

### POC

#### Reference
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html
- https://www.exploit-db.com/exploits/42137/

#### Github
- https://github.com/kaleShashi/PuTTY
- https://github.com/pbr94/PuTTy-