CVE-2012-6033 Missing authorization in n/a
Local guest OS users can bypass privilege checks in Xen's Transcendent Memory to access control stack operations.
- 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-2012-6033?
CVE-2012-6033 is a medium-severity missing authorization vulnerability in Xen Xen, published on 23 Nov 2012. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The do_tmem_control function in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 does not properly check privileges, which allows local guest OS users to access control stack operations via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.
Weakness: CWE-264
Which versions are affected by CVE-2012-6033?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2012-6033?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2012-6033 being exploited?
There is no known exploitation of CVE-2012-6033 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as DEBIAN-CVE-2012-6033, GHSA-p542-pm63-7qpp.