Privilege escalation in Ecryptfs Ecryptfs-Utils
CVE-2016-1572
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.
Vulnerability class: Privilege Escalation
EPSS: 0.004 (29.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Ecryptfs Ecryptfs-utils
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.04
- Debian Debian_linux — versions 7.0, 8.0
- Fedoraproject Fedora — versions 22, 23
- Opensuse Leap — versions 42.1
- Opensuse — versions 13.1, 13.2
- N/a — versions n/a
Weakness classification (CWE)
References
- security@ubuntu.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- security@ubuntu.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK, Broken Link)
- security@ubuntu.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- security@ubuntu.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
- security@ubuntu.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@ubuntu.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- security@ubuntu.com (x_refsource_UBUNTU, vendor-advisory, Patch, Third Party Advisory)
- security@ubuntu.com (vendor-advisory, x_refsource_FEDORA, Mailing List, Third Party Advisory)
- security@ubuntu.com (vendor-advisory, Patch, Third Party Advisory, x_refsource_DEBIAN)
- security@ubuntu.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-1572?
- CVE-2016-1572 is a high-severity vulnerability in Ecryptfs Ecryptfs-Utils, classified under Improper Privilege Management. CVSS score: 8.4/10. Published 2016-01-22.
- How severe is CVE-2016-1572?
- High severity. CVSS v3 base score is 8.4 out of 10.