CVE-2018-18521

elfutils: Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attacker...

CVE-2018-18521 is fixed in 4 products on 1 platform, first by elfutils 0.170-0.4ubuntu0.1, released February 8, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0172
77th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
elfutils · Ubuntu 18.04.6 LTS (bionic) 0.170-0.4ubuntu0.1 elfutils 0.170-0.4ubuntu0.1 Feb 8, 2019
libasm1 · Ubuntu 18.04.6 LTS (bionic) 0.170-0.4ubuntu0.1 libasm1 0.170-0.4ubuntu0.1 Feb 8, 2019
libdw1 · Ubuntu 18.04.6 LTS (bionic) 0.170-0.4ubuntu0.1 libdw1 0.170-0.4ubuntu0.1 Feb 8, 2019
libelf1 · Ubuntu 18.04.6 LTS (bionic) 0.170-0.4ubuntu0.1 libelf1 0.170-0.4ubuntu0.1 Feb 8, 2019