NULL Pointer Dereference Affecting krb5-devel package, versions <0:1.12.2-14.el7


medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 15.65% (96th percentile)
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NVD
7.5 high
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Red Hat
4.3 medium

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  • Snyk ID SNYK-ORACLE7-KRB5DEVEL-2489082
  • published 10 Apr 2022
  • disclosed 14 Aug 2014

How to fix?

Upgrade Oracle:7 krb5-devel to version 0:1.12.2-14.el7 or higher.
This issue was patched in ELSA-2015-0439.

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. See How to fix? for Oracle:7 relevant fixed versions and status.

The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty continuation token at a certain point during a SPNEGO negotiation.