CVE-2008-3687 Memory corruption in n/a

Medium 6.8 Published 14 Aug 2008 Updated 7 Aug 2024

Unprivileged domain users can execute arbitrary code via a heap overflow in Xen when the FLASK module is enabled.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2008-3687?

CVE-2008-3687 is a medium-severity memory corruption vulnerability in Xen Xen, published on 14 Aug 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall.

Weakness: CWE-119

Which versions are affected by CVE-2008-3687?

It affects 2 products.

Products include Xen Xen, Xen Xen Flask Module.

How do I fix CVE-2008-3687?

No fix has been published for CVE-2008-3687 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2008-3687 being exploited?

There is no known exploitation of CVE-2008-3687 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as GHSA-x34x-jj7g-95j8.