CVEs-PoC/2017/CVE-2017-18120.md

CVE-2017-18120

Description

A double-free bug in the read_gif function in gifread.c in gifsicle 1.90 allows a remote attacker to cause a denial-of-service attack or unspecified other impact via a maliciously crafted file, because last_name is mishandled, a different vulnerability than CVE-2017-1000421.

POC

Reference

• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=878739
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=881120

Github

• https://github.com/andir/nixos-issue-db-example