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

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High
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NVD
6.5 medium
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Red Hat
6.5 medium
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SUSE
6.5 medium

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  • Snyk ID SNYK-ORACLE8-KRB5DEVEL-2587610
  • published 10 Apr 2022
  • disclosed 23 Aug 2021
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Introduced: 23 Aug 2021

CVE-2021-37750 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade Oracle:8 krb5-devel to version 0:1.18.2-8.3.el8_4 or higher.
This issue was patched in ELSA-2021-3576.

NVD Description

Note: Versions mentioned in the description apply only to the upstream krb5-devel package and not the krb5-devel package as distributed by Oracle:8. See How to fix? for Oracle: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.