CVE-2011-3145

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

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.

Category

3.8
CVSS
Severity: Low
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.23%
Third-Party Advisory launchpad.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/558 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2011-3145?
CVE-2011-3145 has been scored as a low severity vulnerability.
How to fix CVE-2011-3145?
To fix CVE-2011-3145, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-3145 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-3145 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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