Double Free Affecting krb5 package, versions <1.13.2+dfsg-5ubuntu2.1
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UBUNTU1604-KRB5-395848
- published13 Sept 2017
- disclosed13 Sept 2017
Introduced: 13 Sep 2017
CVE-2017-11462 (opens 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.
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://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-11462
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8598
- https://security-tracker.debian.org/tracker/CVE-2017-11462
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2FPRUP4YVOEBGEROUYWZFEQ64HTMGNED/
- https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf
- https://bugzilla.redhat.com/show_bug.cgi?id=1488873
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FPRUP4YVOEBGEROUYWZFEQ64HTMGNED/