Use After Free Affecting opensc package, versions <0:0.19.0-5.amzn2


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.19% (57th percentile)

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  • Snyk IDSNYK-AMZN2-OPENSC-5740537
  • published27 Jun 2023
  • disclosed18 Apr 2022

Introduced: 18 Apr 2022

CVE-2021-42779  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 opensc to version 0:0.19.0-5.amzn2 or higher.
This issue was patched in ALAS2-2023-2102.

NVD Description

Note: Versions mentioned in the description apply only to the upstream opensc package and not the opensc package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid.

CVSS Scores

version 3.1