Reachable Assertion Affecting krb5 package, versions <1.15.1-2
Threat Intelligence
EPSS
0.21% (60th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN10-KRB5-395827
- published 9 Aug 2017
- disclosed 9 Aug 2017
Introduced: 9 Aug 2017
CVE-2017-11368 Open this link in a new tabHow to fix?
Upgrade Debian:10 krb5 to version 1.15.1-2 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 Debian.
See How to fix? for Debian:10 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
- https://security-tracker.debian.org/tracker/CVE-2017-11368
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4HNWXM6OQU7G23MG7XWIOBRGP43ECLDT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBUTXMNZWMVJLQ4NDX5OQFPUVCJRLV3W/
- https://github.com/krb5/krb5/commit/ffb35baac6981f9e8914f8f3bffd37f284b85970
- https://access.redhat.com/errata/RHSA-2018:0666
- http://www.securityfocus.com/bid/100291
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-11368
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4HNWXM6OQU7G23MG7XWIOBRGP43ECLDT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UBUTXMNZWMVJLQ4NDX5OQFPUVCJRLV3W/
CVSS Scores
version 3.1