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Reachable Assertion Affecting krb5-libs package, versions <0:1.15.1-19.43.amzn1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.21% (59th percentile)
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NVD
6.5 medium
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Red Hat
6.5 medium

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  • Snyk ID SNYK-AMZN201803-KRB5LIBS-1712808
  • published 27 Sep 2021
  • disclosed 9 Aug 2017
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Introduced: 9 Aug 2017

CVE-2017-11368 Open this link in a new tab
CWE-617 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 krb5-libs to version 0:1.15.1-19.43.amzn1 or higher.
This issue was patched in ALAS-2018-1010.

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.

In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.