CVE-2018-18521

MEDIUM

Elfutils - Divide By Zero

Title source: rule

Description

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.

References (7)

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2019:2197

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html

[Exploit, Issue Tracking, Third Party Advisory] https://sourceware.org/bugzilla/show_bug.cgi?id=23786

[Mailing List, Patch, Third Party Advisory] https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html

[Third Party Advisory] https://usn.ubuntu.com/4012-1/

Scores

CVSS v3 5.5

EPSS 0.0010

EPSS Percentile 28.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

CWE

CWE-369

Status published

Affected Products (11)

elfutils_project/elfutils

debian/debian_linux

debian/debian_linux

redhat/enterprise_linux_desktop

redhat/enterprise_linux_server

redhat/enterprise_linux_workstation

opensuse/leap

opensuse/leap

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

Timeline

Published Oct 19, 2018

Tracked Since Feb 18, 2026