CVE-2014-8100 Memory corruption in n/a
Remote authenticated users can trigger out-of-bounds memory access in the X.Org Render extension, potentially leading to arbitrary code execution or 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-2014-8100?
CVE-2014-8100 is a medium-severity memory corruption vulnerability in X.org X Server, published on 10 Dec 2014. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Render extension in XFree86 4.0.1, X.Org X Window System (aka X11 or X) X11R6.7, and X.Org Server (aka xserver and xorg-server) before 1.16.3 allows remote authenticated users to cause a denial of service (out-of-bounds read or write) or possibly execute arbitrary code via a crafted length or index value to the (1) ProcRenderQueryVersion, (2) SProcRenderQueryVersion, (3) SProcRenderQueryPictFormats, (4) SProcRenderQueryPictIndexValues, (5) SProcRenderCreatePicture, (6) SProcRenderChangePicture, (7) SProcRenderSetPictureClipRectangles, (8) SProcRenderFreePicture, (9) SProcRenderComposite, (10) SProcRenderScale, (11) SProcRenderCreateGlyphSet, (12) SProcRenderReferenceGlyphSet, (13) SProcRenderFreeGlyphSet, (14) SProcRenderFreeGlyphs, or (15) SProcRenderCompositeGlyphs function.
Weakness: CWE-119
Which versions are affected by CVE-2014-8100?
It affects 3 products.
Products include X.org X11, X.org X Server, X.org Xfree86.
How do I fix CVE-2014-8100?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2014-8100 being exploited?
There is no known exploitation of CVE-2014-8100 in the wild and no public exploit code.
Other vulnerabilities in X.org X Server
Sources
Also known as DEBIAN-CVE-2014-8100, GHSA-829w-46r8-7v9x, UBUNTU-CVE-2014-8100.