CVEs-PoC/2017/CVE-2017-15020.md

CVE-2017-15020

Description

dwarf1.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles pointers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted ELF file, related to parse_die and parse_line_table, as demonstrated by a parse_die heap-based buffer over-read.

POC

Reference

• https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-parse_die-dwarf1-c/
• https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-parse_die-dwarf1-c/

Github

• https://github.com/fokypoky/places-list
• https://github.com/mudongliang/LinuxFlaw
• https://github.com/oneoy/cve-
• https://github.com/yuntongzhang/senx-experiments