Vulnerability Description
utils/mount.ecryptfs_private.c in ecryptfs-utils before 90 does not properly check mountpoint permissions, which allows local users to effectively replace any directory with a new filesystem, and consequently gain privileges, via a mount system call.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ecryptfs | Ecryptfs-Utils | <= 89 |
| Ecryptfs | Ecryptfs Utils | 58 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00009.html
- http://www.ubuntu.com/usn/USN-1188-1
- https://bugzilla.redhat.com/show_bug.cgi?id=729465
- https://launchpad.net/ecryptfs/+download
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00009.html
- http://www.ubuntu.com/usn/USN-1188-1
- https://bugzilla.redhat.com/show_bug.cgi?id=729465
- https://launchpad.net/ecryptfs/+download
FAQ
What is CVE-2011-1831?
CVE-2011-1831 is a vulnerability with a CVSS score of 4.6 (MEDIUM). utils/mount.ecryptfs_private.c in ecryptfs-utils before 90 does not properly check mountpoint permissions, which allows local users to effectively replace any directory with a new filesystem, and cons...
How severe is CVE-2011-1831?
CVE-2011-1831 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1831?
Check the references section above for vendor advisories and patch information. Affected products include: Ecryptfs Ecryptfs-Utils, Ecryptfs Ecryptfs Utils.