Description
mount.ecryptfs_private.c in eCryptfs-utils does not validate mount destination filesystem types, which allows local users to gain privileges by mounting over a nonstandard filesystem, as demonstrated by /proc/$pid.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00091.html ↗
- http://www.securitytracker.com/id/1034791 ↗
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00118.html ↗
- https://bugs.launchpad.net/ecryptfs/+bug/1530566 ↗
- http://www.openwall.com/lists/oss-security/2016/01/20/6 ↗
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00004.html ↗
- http://www.ubuntu.com/usn/USN-2876-1 ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177396.html ↗
- http://www.debian.org/security/2016/dsa-3450 ↗
- https://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/870 ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177359.html ↗