CVE-2008-1943 Memory corruption in n/a

Low 2.1 Published 14 May 2008 Updated 7 Aug 2024

Local attackers can trigger a buffer overflow in the Xen PVFB driver to crash the system or execute arbitrary code.

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-2008-1943?

CVE-2008-1943 is a low-severity memory corruption vulnerability in n/a, published on 14 May 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow in the backend of XenSource Xen Para Virtualized Frame Buffer (PVFB) 3.0 through 3.1.2 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a crafted description of a shared framebuffer.

Weakness: CWE-119

Which versions are affected by CVE-2008-1943?

It affects 1 product.

Products include Xensource Xen.

How do I fix CVE-2008-1943?

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-2008-1943 being exploited?

There is no known exploitation of CVE-2008-1943 in the wild and no public exploit code.

Sources

Also known as GHSA-p45c-4mjh-x6qw.