cve/2018/CVE-2018-19591.md

### [CVE-2018-19591](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19591)
![](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 the GNU C Library (aka glibc or libc6) through 2.28, attempting to resolve a crafted hostname via getaddrinfo() leads to the allocation of a socket descriptor that is not closed. This is related to the if_nametoindex() function.

### POC

#### Reference
- https://sourceware.org/bugzilla/show_bug.cgi?id=23927
- https://sourceware.org/bugzilla/show_bug.cgi?id=23927

#### Github
- https://github.com/simonsdave/clair-cicd