CVEs-PoC/2014/CVE-2014-3956.md

### [CVE-2014-3956](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3956)
![](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 sm_close_on_exec function in conf.c in sendmail before 8.14.9 has arguments in the wrong order, and consequently skips setting expected FD_CLOEXEC flags, which allows local users to access unintended high-numbered file descriptors via a custom mail-delivery program.

### POC

#### Reference
- http://packetstormsecurity.com/files/126975/Slackware-Security-Advisory-sendmail-Updates.html

#### Github
No PoCs found on GitHub currently.