Integer Overflow or Wraparound Affecting libksba package, versions <0:1.3.5-8.el8_6


high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High
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NVD
9.8 critical
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Red Hat
9.8 critical
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SUSE
9.8 critical

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  • Snyk ID SNYK-CENTOS8-LIBKSBA-3051371
  • published 18 Oct 2022
  • disclosed 17 Oct 2022

How to fix?

Upgrade Centos:8 libksba to version 0:1.3.5-8.el8_6 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 Centos:8. See How to fix? for Centos:8 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.