cve/2018/CVE-2018-20673.md

### [CVE-2018-20673](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20673)
![](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 demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, contains an integer overflow vulnerability (for "Create an array for saving the template argument values") that can trigger a heap-based buffer overflow, as demonstrated by nm.

### POC

#### Reference
- https://sourceware.org/bugzilla/show_bug.cgi?id=24039
- https://sourceware.org/bugzilla/show_bug.cgi?id=24039

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/fokypoky/places-list
- https://github.com/phonito/phonito-vulnerable-container
- https://github.com/testing-felickz/docker-scout-demo