Reachable Assertion Affecting krb5-server-ldap package, versions <0:1.15.1-18.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published17 Sept 2024
- disclosed13 Jul 2017
Introduced: 13 Jul 2017
CVE-2017-11368 (opens in a new tab)How to fix?
Upgrade RHEL:7 krb5-server-ldap to version 0:1.15.1-18.el7 or higher.
This issue was patched in RHSA-2018:0666.
NVD Description
Note: Versions mentioned in the description apply only to the upstream krb5-server-ldap package and not the krb5-server-ldap package as distributed by RHEL.
See How to fix? for RHEL:7 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
- http://www.securityfocus.com/bid/100291
- https://github.com/krb5/krb5/commit/ffb35baac6981f9e8914f8f3bffd37f284b85970
- https://access.redhat.com/security/cve/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://access.redhat.com/errata/RHSA-2018:0666
- 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/