Buffer overflow in X Libx11

CVE-2013-1997

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.

Vulnerability class: Buffer Overflow

EPSS: 0.021 (79.9th percentile) — read the EPSS interpretation.

Affected products

X Libx11 — versions 1.5.0
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

secalert@redhat.com (vendor-advisory, x_refsource_FEDORA)
secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
secalert@redhat.com (mailing-list, x_refsource_MLIST)
secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)
secalert@redhat.com (vendor-advisory, x_refsource_DEBIAN)