First published: Sat Jun 15 2013(Updated: )
Multiple buffer overflows in X.org libX11 1.5.99.901 (1.6 RC1) and earlier allow X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the (1) XAllocColorCells, (2) _XkbReadGetDeviceInfoReply, (3) _XkbReadGeomShapes, (4) _XkbReadGetGeometryReply, (5) _XkbReadKeySyms, (6) _XkbReadKeyActions, (7) _XkbReadKeyBehaviors, (8) _XkbReadModifierMap, (9) _XkbReadExplicitComponents, (10) _XkbReadVirtualModMap, (11) _XkbReadGetNamesReply, (12) _XkbReadGetMapReply, (13) _XimXGetReadData, (14) XListFonts, (15) XListExtensions, and (16) XGetFontPath functions.
Credit: secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
Red Hat Libx11 | <=1.5.99.901 | |
Red Hat Libx11 | =1.5.0 |
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
CVE-2013-1997 has a high severity level due to its potential to cause denial of service and execute arbitrary code.
To fix CVE-2013-1997, update your libX11 package to version 1.6 or later.
CVE-2013-1997 affects X.org libX11 versions up to and including 1.5.99.901 and the exact version 1.5.0.
The consequences of CVE-2013-1997 include crashes of the X server and potential arbitrary code execution.
There have been no public reports indicating active exploitation of CVE-2013-1997, but it remains a risk due to its severity.