CVE-2018-18521

CWE-36911 documents8 sources
Severity
5.5MEDIUM
EPSS
0.1%
top 71.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Canonical Ubuntu LinuxDebian Debian LinuxElfutils Project Elfutils+4 more
Timeline
PublishedOct 19
Latest updateAug 30

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages7 packages

▶Debianelfutils< 0.175-1+3
▶Ubuntuelfutils< 0.176-1.1ubuntu0.1+3
▶NVDopensuse/leap15.0, 15.1+1

Also affects: Debian Linux 8.0, 9.0, Ubuntu Linux 16.04, 18.04, 18.10

Patches

Patch: sourceware.org ↗Patch: sourceware.org ↗

🔴Vulnerability Details

4
OSV
elfutils vulnerabilities↗2023-08-30
▶
GHSA
GHSA-ghq7-pw5q-f2jw: Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib↗2022-05-13
▶
OSV
CVE-2018-18521: Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib↗2018-10-19
▶
CVEList
CVE-2018-18521: Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib↗2018-10-19
▶

📋Vendor Advisories

4
Ubuntu
elfutils vulnerabilities↗2023-08-30
▶
Ubuntu
elfutils vulnerabilities↗2019-06-10
▶
Red Hat
elfutils: Divide-by-zero in arlib_add_symbols function in arlib.c↗2018-10-17
▶
Debian
CVE-2018-18521: elfutils - Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-18521 elfutils: Divide-by-zero in arlib_add_symbols function in arlib.c [fedora-all]↗2018-11-05
▶
Bugzilla
CVE-2018-18521 elfutils: Divide-by-zero in arlib_add_symbols function in arlib.c↗2018-11-05
▶