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Fencer Intel
low 3.8

CVE-2011-3145 json

mount.ecrpytfs_private sets group owner of /etc/mtab to user's primary group

published 2019-04-22 7 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3113

cvss
3.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

When mount.ecrpytfs_private before version 87-0ubuntu1.2 calls setreuid() it doesn't also set the effective group id. So when it creates the new version, mtab.tmp, it's created with the group id of the user running mount.ecryptfs_private.

Patch / fix

  • ecryptfs-utils Debian 14, Debian 13, Debian 12 92-1

debian advisories DEBIAN-CVE-2011-3145

  • ecryptfs-utils RHEL 5 75-5.el5_7.2
  • ecryptfs-utils RHEL 6 82-6.el6_1.3
  • ecryptfs-utils-gui RHEL 5 75-5.el5_7.2
  • ecryptfs-utils-python RHEL 6 82-6.el6_1.3

red hat advisories RHSA-2011:1241

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-3145 updated cvss 4.6

ecryptfs-utils: incorrect mtab group ownership

  • Red Hat Enterprise Linux (v. 5 server) ecryptfs-utils 75-5.el5_7.2, ecryptfs-utils-gui 75-5.el5_7.2 Red Hat Enterprise Linux Desktop (v. 5 client) ecryptfs-utils 75-5.el5_7.2, ecryptfs-utils-gui 75-5.el5_7.2 Red Hat Enterprise Linux Server (v. 6) ecryptfs-utils 82-6.el6_1.3, ecryptfs-utils-python 82-6.el6_1.3 Red Hat Enterprise Linux Server Optional (v. 6) ecryptfs-utils 82-6.el6_1.3, ecryptfs-utils-python 82-6.el6_1.3 Red Hat RHEL Desktop Workstation (v. 5 client) ecryptfs-utils 75-5.el5_7.2, ecryptfs-utils-gui 75-5.el5_7.2
    fixed: vendor fix RHSA-2011:1241

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 3.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.