cve/2018/CVE-2018-20657.md

CVE-2018-20657

Description

The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, has a memory leak via a crafted string, leading to a denial of service (memory consumption), as demonstrated by cxxfilt, a related issue to CVE-2018-12698.

POC

Reference

• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539
• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539

Github

• https://github.com/fokypoky/places-list
• https://github.com/fuzz-evaluator/MemLock-Fuzz-eval
• https://github.com/phonito/phonito-vulnerable-container
• https://github.com/wcventure/MemLock-Fuzz