Integer Overflow or Wraparound Affecting libksba package, versions <1.3.5-2ubuntu0.20.04.1


Severity

Recommended
high

Based on Ubuntu security rating.

Threat Intelligence

EPSS
1.19% (85th percentile)

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  • Snyk IDSNYK-UBUNTU2004-LIBKSBA-3050813
  • published18 Oct 2022
  • disclosed12 Jan 2023

Introduced: 18 Oct 2022

CVE-2022-3515  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 libksba to version 1.3.5-2ubuntu0.20.04.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libksba package and not the libksba package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.

CVSS Scores

version 3.1