CVE-2007-2437 Denial of service in n/a
Remote authenticated users can crash the X server via crafted values in XRender functions, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2007-2437?
CVE-2007-2437 is a medium-severity denial of service vulnerability in n/a, published on 2 May 2007. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The X render (Xrender) extension in X.org X Window System 7.0, 7.1, and 7.2, with Xserver 1.3.0 and earlier, allows remote authenticated users to cause a denial of service (daemon crash) via crafted values to the (1) XRenderCompositeTrapezoids and (2) XRenderAddTraps functions, which trigger a divide-by-zero error.
Which versions are affected by CVE-2007-2437?
It affects 2 products.
Products include X.org X Window System, X.org Xserver.
How do I fix CVE-2007-2437?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2007-2437 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-2437 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as DEBIAN-CVE-2007-2437, GHSA-j82p-p2jg-jj2f.