CVE-2011-2178 Information disclosure in n/a

Medium 4.4 Published 10 Aug 2011 Updated 6 Aug 2024

Guest OS users can read arbitrary host files due to a memory size calculation error in libvirt's security manager.

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-2011-2178?

CVE-2011-2178 is a medium-severity vulnerability in Redhat Libvirt, published on 10 Aug 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The virSecurityManagerGetPrivateData function in security/security_manager.c in libvirt 0.8.8 through 0.9.1 uses the wrong argument for a sizeof call, which causes incorrect processing of "security manager private data" that "reopens disk probing" and might allow guest OS users to read arbitrary files on the host OS. NOTE: this vulnerability exists because of a CVE-2010-2238 regression.

Which versions are affected by CVE-2011-2178?

It affects 1 product.

Products include Redhat Libvirt.

How do I fix CVE-2011-2178?

Apply the vendor's patch.

Is CVE-2011-2178 being exploited?

There is no known exploitation of CVE-2011-2178 in the wild and no public exploit code.

All Redhat Libvirt vulnerabilities

Sources

Also known as DEBIAN-CVE-2011-2178, GHSA-5383-rqrv-fg4g.