CVE-2013-4399 Use after free in n/a
Remote attackers can cause a denial of service via use-after-free in libvirt when ACLs are enabled, requiring an upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-4399?
CVE-2013-4399 is a medium-severity use after free vulnerability in Redhat Libvirt, published on 12 Dec 2014. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The remoteClientFreeFunc function in daemon/remote.c in libvirt before 1.1.3, when ACLs are used, does not set an identity, which causes event handler removal to be denied and remote attackers to cause a denial of service (use-after-free and crash) by registering an event handler and then closing the connection.
Which versions are affected by CVE-2013-4399?
It affects 1 product.
Products include Redhat Libvirt.
How do I fix CVE-2013-4399?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2013-4399 being exploited?
There is no known exploitation of CVE-2013-4399 in the wild and no public exploit code.
Other vulnerabilities in Redhat Libvirt
Sources
Also known as DEBIAN-CVE-2013-4399, GHSA-hr87-j88c-crv5.