CVE-2018-18521

medium

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

https://usn.ubuntu.com/4012-1/

https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html

https://sourceware.org/bugzilla/show_bug.cgi?id=23786

https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html

https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html

https://access.redhat.com/errata/RHSA-2019:2197

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html

Details

Source: Mitre, NVD

Published: 2018-10-19

Updated: 2021-11-30

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

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

Severity: Medium