NULL Pointer Dereference Affecting krb5-libs package, versions <0:1.18.2-8.3.el8_4



    Attack Complexity Low
    Availability High
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6.5 medium
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Red Hat
6.5 medium
Expand this section
6.5 medium

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  • Snyk ID SNYK-CENTOS8-KRB5LIBS-2117939
  • published 26 Aug 2021
  • disclosed 19 Aug 2021

How to fix?

Upgrade Centos:8 krb5-libs to version 0:1.18.2-8.3.el8_4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream krb5-libs package and not the krb5-libs package as distributed by Centos:8. See How to fix? for Centos:8 relevant fixed versions and status.

The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.