Double Free Affecting krb5-pkinit package, versions <0:1.12.2-14.el7


medium

Snyk CVSS

    Attack Complexity High
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 3.26% (92nd percentile)
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NVD
8.1 high
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Red Hat
4.3 medium

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  • Snyk ID SNYK-ORACLE7-KRB5PKINIT-2491902
  • published 10 Apr 2022
  • disclosed 14 Aug 2014

How to fix?

Upgrade Oracle:7 krb5-pkinit 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-pkinit package and not the krb5-pkinit package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via network traffic that appears to come from an intended acceptor, but specifies a security mechanism different from the one proposed by the initiator.