CVE-2013-1981 Integer overflow in n/a
Integer overflows in libX11 allow X servers to trigger buffer overflows, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-1981?
CVE-2013-1981 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 15 Jun 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Multiple integer overflows in X.org libX11 1.5.99.901 (1.6 RC1) and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XQueryFont, (2) _XF86BigfontQueryFont, (3) XListFontsWithInfo, (4) XGetMotionEvents, (5) XListHosts, (6) XGetModifierMapping, (7) XGetPointerMapping, (8) XGetKeyboardMapping, (9) XGetWindowProperty, (10) XGetImage, (11) LoadColornameDB, (12) XrmGetFileDatabase, (13) _XimParseStringFile, or (14) TransFileName functions.
Weakness: CWE-189
Which versions are affected by CVE-2013-1981?
It affects 2 products.
Products include Canonical Ubuntu Linux, X Libx11.
How do I fix CVE-2013-1981?
Upgrade to a fixed version.
Is CVE-2013-1981 being exploited?
There is no known exploitation of CVE-2013-1981 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2013-1981, GHSA-h27q-wm75-844h.