Improper Certificate Validation Affecting heimdal package, versions *
Snyk CVSS
Attack Complexity
Low
Integrity
High
Threat Intelligence
EPSS
0.16% (53rd
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1604-HEIMDAL-341152
- published 28 Aug 2017
- disclosed 28 Aug 2017
Introduced: 28 Aug 2017
CVE-2017-6594 Open this link in a new tabHow to fix?
There is no fixed version for Ubuntu:16.04 heimdal.
NVD Description
Note: Versions mentioned in the description apply only to the upstream heimdal package and not the heimdal package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
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