cve/2023/CVE-2023-4256.md

### [CVE-2023-4256](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4256)
![](https://img.shields.io/static/v1?label=Product&message=Extra%20Packages%20for%20Enterprise%20Linux&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Fedora&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=tcpreplay&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Double%20Free&color=brighgreen)

### Description

Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the tcpedit_dlt_cleanup() function within plugins/dlt_plugins.c. This vulnerability can be exploited by supplying a specifically crafted file to the tcprewrite binary. This flaw enables a local attacker to initiate a Denial of Service (DoS) attack.

### POC

#### Reference
- https://github.com/appneta/tcpreplay/issues/813

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