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NULL Pointer Dereference Affecting krb5-libs package, versions <0:1.15.1-34.44.amzn1

low

Snyk CVSS

    Attack Complexity Low
    Privileges Required High

    Threat Intelligence

    EPSS 0.21% (59th percentile)
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NVD
4.7 medium
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SUSE
7.2 high
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Red Hat
4.7 medium

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  • Snyk ID SNYK-AMZN201803-KRB5LIBS-1717432
  • published 27 Sep 2021
  • disclosed 6 Mar 2018
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Introduced: 6 Mar 2018

CVE-2018-5729 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 krb5-libs to version 0:1.15.1-34.44.amzn1 or higher.
This issue was patched in ALAS-2018-1129.

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 Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.

References