Out-of-bounds Write Affecting libctf-nobfd0 package, versions <2.37-7.26.1


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.21% (60th percentile)

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  • Snyk IDSNYK-SLES151-LIBCTFNOBFD0-2655182
  • published14 Apr 2022
  • disclosed9 Nov 2021

Introduced: 9 Nov 2021

CVE-2021-20294  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 libctf-nobfd0 to version 2.37-7.26.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libctf-nobfd0 package and not the libctf-nobfd0 package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

A flaw was found in binutils readelf 2.35 program. An attacker who is able to convince a victim using readelf to read a crafted file could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The highest impact of this flaw is to confidentiality, integrity, and availability.

CVSS Scores

version 3.1