Improper Certificate Validation The advisory has been revoked - it doesn't affect any version of package heimdal (opens in a new tab)
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-UBUNTU1404-HEIMDAL-341151
- published28 Aug 2017
- disclosed28 Aug 2017
Introduced: 28 Aug 2017
CVE-2017-6594 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:14.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream heimdal package and not the heimdal package as distributed by Ubuntu.
The transit path validation code in Heimdal before 7.3 might allow attackers to bypass the capath policy protection mechanism by leveraging failure to add the previous hop realm to the transit path of issued tickets.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-6594
- http://www.h5l.org/advisories.html?show=2017-04-13
- https://security-tracker.debian.org/tracker/CVE-2017-6594
- https://github.com/heimdal/heimdal/commit/b1e699103f08d6a0ca46a122193c9da65f6cf837
- https://github.com/heimdal/heimdal/releases/tag/heimdal-7.3.0
- http://lists.opensuse.org/opensuse-updates/2017-08/msg00062.html