mount.ecrpytfs_private sets group owner of /etc/mtab to user's primary group
Priority MEDIUM 44CWE-254Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
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.
Why it matters now
EPSS 0.0098 62nd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mount.ecrpytfs_private_project:mount.ecrpytfs_private:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Mount.ecrpytfs Private Project |
- cpe:2.3:a:mount.ecrpytfs_private_project:mount.ecrpytfs_private:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Mount.ecrpytfs Private Project
Remediation
Red Hat 1 advisory
- RHSA-2011:1241 Released 2011-08-31 · Red Hat rating Moderateecryptfs-utils security update
- RHEL Desktop Workstation (v. 5 client) ecryptfs-utils-75-5.el5_7.2, ecryptfs-utils-devel-75-5.el5_7.2, ecryptfs-utils-devel-75-5.el5_7.2.i386
- Red Hat Enterprise Linux (v. 5 server) ecryptfs-utils-75-5.el5_7.2, ecryptfs-utils-75-5.el5_7.2.i386, ecryptfs-utils-75-5.el5_7.2.ia64 +9
- Red Hat Enterprise Linux Desktop (v. 5 client) ecryptfs-utils-75-5.el5_7.2, ecryptfs-utils-75-5.el5_7.2.i386, ecryptfs-utils-gui-75-5.el5_7.2 +1
- Red Hat Enterprise Linux Server (v. 6) ecryptfs-utils-82-6.el6_1.3, ecryptfs-utils-82-6.el6_1.3.ppc
- Red Hat Enterprise Linux Server Optional (v. 6) ecryptfs-utils-82-6.el6_1.3, ecryptfs-utils-devel-82-6.el6_1.3, ecryptfs-utils-devel-82-6.el6_1.3.ppc +1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| RHEL Desktop Workstation (v. 5 client) | Fixed | RHSA-2011:1241 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2011:1241 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2011:1241 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2011:1241 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2011:1241 |
Timeline
- 2026-10-02 Threatist record created from CVE-2011-3145
- 2026-10-03 Alias added: GHSA-r6pf-mxwq-6rrh
References
Sources
- CVE-2011-3145 · CVE Program
- CVE-2011-3145 · NVD
- FIRST EPSS
- GHSA-r6pf-mxwq-6rrh · GitHub Advisory Database · CC BY 4.0
- CVE-2011-3145 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences