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Reachable Assertion Affecting krb5 package, versions <1.13.2+dfsg-5ubuntu2.1

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-UBUNTU1604-KRB5-395830
  • published 9 Aug 2017
  • 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 Ubuntu:16.04 krb5 to version 1.13.2+dfsg-5ubuntu2.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream krb5 package and not the krb5 package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 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.

References