cve/2017/CVE-2017-15021.md

### [CVE-2017-15021](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15021)
![](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

bfd_get_debug_link_info_1 in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to bfd_getl32.

### POC

#### Reference
- https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-bfd_getl32-opncls-c/

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/fokypoky/places-list