### [CVE-2011-4029](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4029)
![](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 LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/v14dz/fsnoop