Divide By Zero Affecting elfutils package, versions <0:0.176-2.el7


Severity

Recommended
0.0
low
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.3% (70th percentile)

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  • Snyk IDSNYK-CENTOS7-ELFUTILS-2144388
  • published26 Jul 2021
  • disclosed17 Oct 2018

Introduced: 17 Oct 2018

CVE-2018-18521  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

Upgrade Centos:7 elfutils to version 0:0.176-2.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream elfutils package and not the elfutils package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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 Scores

version 3.1