Use After Free Affecting krb5-workstation package, versions *
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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Test your applications- Snyk IDSNYK-RHEL7-KRB5WORKSTATION-1359836
- published26 Jul 2021
- disclosed28 Aug 2017
Introduced: 28 Aug 2017
CVE-2017-11462 (opens in a new tab)How to fix?
There is no fixed version for RHEL:7 krb5-workstation.
NVD Description
Note: Versions mentioned in the description apply only to the upstream krb5-workstation package and not the krb5-workstation package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
Double free vulnerability in MIT Kerberos 5 (aka krb5) allows attackers to have unspecified impact via vectors involving automatic deletion of security contexts on error.
References
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8598
- https://bugzilla.redhat.com/show_bug.cgi?id=1488873
- https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf
- https://access.redhat.com/security/cve/CVE-2017-11462
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2FPRUP4YVOEBGEROUYWZFEQ64HTMGNED/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FPRUP4YVOEBGEROUYWZFEQ64HTMGNED/