### [CVE-2014-2957](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-2957)
![](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 dmarc_process function in dmarc.c in Exim before 4.82.1, when EXPERIMENTAL_DMARC is enabled, allows remote attackers to execute arbitrary code via the From header in an email, which is passed to the expand_string function.

### POC

#### Reference
- http://www.openwall.com/lists/oss-security/2021/05/04/7

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