Improper Access Control Affecting openafs package, versions <1.6.17-1
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.
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- published13 May 2016
- disclosed13 May 2016
Introduced: 13 May 2016
CVE-2016-2860 (opens in a new tab)How to fix?
Upgrade Debian:12 openafs to version 1.6.17-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openafs package and not the openafs package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
The newEntry function in ptserver/ptprocs.c in OpenAFS before 1.6.17 allows remote authenticated users from foreign Kerberos realms to bypass intended access restrictions and create arbitrary groups as administrators by leveraging mishandling of the creator ID.
References
- https://security-tracker.debian.org/tracker/CVE-2016-2860
- http://www.debian.org/security/2016/dsa-3569
- http://git.openafs.org/?p=openafs.git;a=commitdiff;h=396240cf070a806b91fea81131d034e1399af1e0
- https://lists.openafs.org/pipermail/openafs-announce/2016/000496.html
- https://www.openafs.org/dl/openafs/1.6.17/RELNOTES-1.6.17
- http://www.openafs.org/pages/security/OPENAFS-SA-2016-001.txt
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-2860
- http://git.openafs.org/?p=openafs.git%3Ba=commitdiff%3Bh=396240cf070a806b91fea81131d034e1399af1e0