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



    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.46% (76th percentile)
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9.8 critical
Expand this section
9.8 critical
Expand this section
Red Hat
8.6 high

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  • Snyk ID SNYK-ORACLE8-LIBKSBA-3062863
  • published 25 Oct 2022
  • disclosed 12 Jan 2023

How to fix?

Upgrade Oracle:8 libksba to version 0:1.3.5-8.el8_6 or higher.
This issue was patched in ELSA-2022-7089.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libksba package and not the libksba package as distributed by Oracle. See How to fix? for Oracle: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.