CVE-2009-0036 Memory corruption in n/a

Medium 4.4 Published 11 Feb 2009 Updated 7 Aug 2024

Local attackers can exploit a buffer overflow in libvirt_proxy to gain elevated privileges via crafted packet headers.

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-2009-0036?

CVE-2009-0036 is a medium-severity memory corruption vulnerability in n/a, published on 11 Feb 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow in the proxyReadClientSocket function in proxy/libvirt_proxy.c in libvirt_proxy 0.5.1 might allow local users to gain privileges by sending a portion of the header of a virProxyPacket packet, and then sending the remainder of the packet with crafted values in the header, related to use of uninitialized memory in a validation check.

Weakness: CWE-119

Which versions are affected by CVE-2009-0036?

It affects 1 product.

Products include Libvirt Libvirt.

How do I fix CVE-2009-0036?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2009-0036 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-0036 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as DEBIAN-CVE-2009-0036, GHSA-wm6m-gxgr-pvq6.