CVE-2013-4554 Privilege escalation in n/a
Local guest users can escalate privileges to the hypervisor level by exploiting improper hypercall access controls in Xen.
- 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-2013-4554?
CVE-2013-4554 is a medium-severity vulnerability in Xen Xen, published on 24 Dec 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Xen 3.0.3 through 4.1.x (possibly 4.1.6.1), 4.2.x (possibly 4.2.3), and 4.3.x (possibly 4.3.1) does not properly prevent access to hypercalls, which allows local guest users to gain privileges via a crafted application running in ring 1 or 2.
Weakness: CWE-264
Which versions are affected by CVE-2013-4554?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2013-4554?
Apply the vendor's patch.
Is CVE-2013-4554 being exploited?
There is no known exploitation of CVE-2013-4554 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as GHSA-qq83-rxpp-j7cv.