CVE-2016-1572 — Improper Privilege Management in Ecryptfs-utils

CWE-269 — Improper Privilege ManagementCWE-284 — Improper Access Control11 documents8 sources
Severity
8.4HIGHNVD
EPSS
0.0%
top 86.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Ecryptfs Ecryptfs-utilsDebian Ecryptfs-utilsCanonical Ubuntu Linux+4 more
Timeline
PublishedJan 22
Latest updateMay 13

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.5 | Impact: 5.9

Affected Packages6 packages

▶debiandebian/ecryptfs-utils< ecryptfs-utils 106-2 (bookworm)
▶Debianecryptfs/ecryptfs-utils< 106-2+3
▶Ubuntuecryptfs/ecryptfs-utils< 104-0ubuntu1.14.04.4
▶NVDopensuse/leap42.1

Also affects: Debian Linux 7.0, 8.0, Fedora 22, 23, Ubuntu Linux 12.04, 14.04, 15.04, 15.10

Patches

Patch: www.debian.org ↗Patch: www.ubuntu.com ↗Patch: bazaar.launchpad.net ↗

🔴Vulnerability Details

3
GHSA
GHSA-v495-vr49-324q: mount↗2022-05-13
▶
OSV
CVE-2016-1572: mount↗2016-01-22
▶
OSV
ecryptfs-utils vulnerability↗2016-01-20
▶

📋Vendor Advisories

3
Ubuntu
eCryptfs vulnerability↗2016-01-20
▶
Red Hat
ecryptfs-utils: privilege escalation by mounting over /proc/$pid↗2016-01-20
▶
Debian
CVE-2016-1572: ecryptfs-utils - mount.ecryptfs_private.c in eCryptfs-utils does not validate mount destination f...↗2016
▶

📄Research Papers

1
arXiv
The Security War in File Systems: An Empirical Study from A Vulnerability-Centric Perspective↗2022-04-26
▶

💬Community

3
Bugzilla
CVE-2016-9646 ikiwiki: Commit metadata forgery↗2017-01-02
▶
Bugzilla
CVE-2016-1572 ecryptfs-utils: privilege escalation by mounting over /proc/$pid [fedora-all]↗2016-01-21
▶
Bugzilla
CVE-2016-1572 ecryptfs-utils: privilege escalation by mounting over /proc/$pid↗2016-01-21
▶
CVE-2016-1572 — Improper Privilege Management | cvebase