cve/2011/CVE-2011-4060.md

### [CVE-2011-4060](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4060)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

The runtime linker in QNX Neutrino RTOS 6.5.0 before Service Pack 1 does not properly clear the LD_DEBUG_OUTPUT and LD_DEBUG environment variables when a program is spawned from a setuid program, which allows local users to overwrite files via a symlink attack.

### POC

#### Reference
- http://securityreason.com/securityalert/8475
- http://www.nth-dimension.org.uk/pub/NDSA20110310.txt.asc

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