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Use After Free Affecting krb5-libs package, versions <0:1.12.2-14.el7

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 1.81% (89th percentile)
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NVD
8.8 high
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Red Hat
6.3 medium

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  • Snyk ID SNYK-CENTOS7-KRB5LIBS-2043431
  • published 26 Jul 2021
  • disclosed 3 Feb 2015
Report a new vulnerability Found a mistake?

Introduced: 3 Feb 2015

CVE-2014-5352 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Centos:7 krb5-libs to version 0:1.12.2-14.el7 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. See How to fix? for Centos:7 relevant fixed versions and status.

The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the libgssapi_krb5 library in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly maintain security-context handles, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via crafted GSSAPI traffic, as demonstrated by traffic to kadmind.

References