CVE-2018-18521

Published: 19 October 2018

Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated by eu-ranlib, because a zero sh_entsize is mishandled.

Priority

Low

CVSS 3 base score: 5.5

Status

Package Release Status
elfutils
Launchpad, Ubuntu, Debian
Upstream
Released (0.175-1)
Ubuntu 21.10 (Impish Indri) Not vulnerable
(0.176-1.1)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(0.176-1.1)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(0.176-1.1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (0.170-0.4ubuntu0.1)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (0.165-3ubuntu1.2)
Ubuntu 14.04 ESM (Trusty Tahr) Needs triage

Patches:
Upstream: https://sourceware.org/git/?p=elfutils.git;a=commit;h=2b16a9be69939822dcafe075413468daac98b327