CVE-2017-13757

Publication date 29 August 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, does not validate the PLT section size, 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 elf_i386_get_synthetic_symtab in elf32-i386.c and elf_x86_64_get_synthetic_symtab in elf64-x86-64.c.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
binutils	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	17.10 artful	Not affected
	17.04 zesty	Ignored
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

sbeattie

re-check to verify elf_i386_plt_sym_val() in older releases

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
binutils	Upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=patch;h=90efb6422939ca031804266fba669f77c22a274a Upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=patch;h=bb0216e26681531bf967a6a3f1800789ade3693d

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H