CVE-2017-14729 Information

Description

The *_get_synthetic_symtab functions in the Binary File Descriptor (BFD) library (aka libbfd) as distributed in GNU Binutils 2.29 do not ensure a unique PLT entry for a symbol which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted ELF file related to elf32-i386.c and elf64-x86-64.c.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://blogs.gentoo.org/ago/2017/09/25/binutils-heap-based-buffer-overflow-in-_bfd_x86_elf_get_synthetic_symtab-elfxx-x86-c/ https://sourceware.org/bugzilla/show_bug.cgi?id=22170 https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=56933f9e3e90eebf1018ed7417d6c1184b91db6b https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=61e3bf5f83f7e505b6bc51ef65426e5b31e6e360

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8