cve/2017/CVE-2017-14939.md

CVE-2017-14939

Description

decode_line_info in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles a length calculation, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to read_1_byte.

POC

Reference

• https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/
• https://www.exploit-db.com/exploits/42970/

Github

• https://github.com/fokypoky/places-list