CVE-2011-3145

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

Low · published April 22, 2019

CVSS v3.0
3.8
EPSS
1%
Percentile
61.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
3.8 · LOW
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00980 · 61.6th percentile
Published
2019-04-22T15:35Z
EPSS history
Timeline
  • 22 APR 15:35Z
    mount.ecrpytfs_private sets group owner of /etc/mtab to user's primary group
    cvelistv5