cve/2019/CVE-2019-12589.md

### [CVE-2019-12589](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12589)
![](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

In Firejail before 0.9.60, seccomp filters are writable inside the jail, leading to a lack of intended seccomp restrictions for a process that is joined to the jail after a filter has been modified by an attacker.

### POC

#### Reference
- https://github.com/netblue30/firejail/commit/eecf35c2f8249489a1d3e512bb07f0d427183134
- https://github.com/netblue30/firejail/commit/eecf35c2f8249489a1d3e512bb07f0d427183134
- https://github.com/netblue30/firejail/issues/2718
- https://github.com/netblue30/firejail/issues/2718
- https://github.com/netblue30/firejail/releases/tag/0.9.60
- https://github.com/netblue30/firejail/releases/tag/0.9.60

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