VulnerabilityModified
CVE-2011-1831
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.
MEDIUM 4.6EPSS 0.37%
Does this matter?
Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.
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 2.0
- 4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 0.37% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- ecryptfs/ecryptfs-utils · ecryptfs/ecryptfs utils
- Source
- security@ubuntu.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.