cve/2015/CVE-2015-8777.md

### [CVE-2015-8777](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8777)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20n%2Fa%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LD_POINTER_GUARD environment variable.

### POC

#### Reference
- http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html

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