CVE-2008-5716 Missing authorization in n/a

High 7.2 Published 24 Dec 2008 Updated 7 Aug 2024

Guest OS users can cause denial of service and other impacts by improperly writing to xenstore directories due to missing authorization checks.

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-2008-5716?

CVE-2008-5716 is a high-severity missing authorization vulnerability in n/a, published on 24 Dec 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

xend in Xen 3.3.0 does not properly restrict a guest VM's write access within the /local/domain xenstore directory tree, which allows guest OS users to cause a denial of service and possibly have unspecified other impact by writing to (1) console/tty, (2) console/limit, or (3) image/device-model-pid. NOTE: this issue exists because of erroneous set_permissions calls in the fix for CVE-2008-4405.

Weakness: CWE-264

Which versions are affected by CVE-2008-5716?

It affects 1 product.

Products include Citrix Xen.

How do I fix CVE-2008-5716?

No fix has been published for CVE-2008-5716 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2008-5716 being exploited?

There is no known exploitation of CVE-2008-5716 in the wild and no public exploit code.

Sources

Also known as GHSA-r6vm-2jmq-5wqx.