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CVE-2011-3145

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

Published: Apr 22, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-254
NVD MITRE
3.8CVSSLOW
EPSS Score
1.0%
Top 42.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:CC:NI:NA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-254

Affected Products

n/an/a
mount.ecrpytfs privatemount.ecrpytfs private project
CentOSThe CentOS Project
On-premOS
Operating Systems / linux-distro
the centos projectoss-projectUSOperating Systemsaka centos

Exploitability

Official Patch Available

References

http://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/558
bazaar.launchpad.net
http://lwn.net/Alerts/460004
lwn.net

Timeline

Published
Apr 22, 2019
Last Updated
Nov 21, 2024

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