CVE-2011-1836 Missing authorization in n/a

Medium 4.6 Published Updated

Local attackers can bypass access restrictions to read encrypted data during recovery due to insecure directory permissions in ecryptfs-utils.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2011-1836?

CVE-2011-1836 is a medium-severity missing authorization vulnerability in n/a, published on 15 Feb 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

utils/ecryptfs-recover-private in ecryptfs-utils before 90 does not establish a subdirectory with safe permissions, which might allow local users to bypass intended access restrictions via standard filesystem operations during the recovery process.

Weakness: CWE-264

Which versions are affected by CVE-2011-1836?

It affects 2 products.

Products include Ecryptfs Ecryptfs-Utils, Ecryptfs Ecryptfs Utils.

How do I fix CVE-2011-1836?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2011-1836 being exploited?

There is no known exploitation of CVE-2011-1836 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2011-1836, GHSA-5764-q5mh-rcg7.

Is CVE-2011-1836 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free