CVE-2013-1997

libX11: Multiple Array Index error leading to heap-based OOB write

Severity Score

6.8

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Multiples desbordamientos de búfer en X.org libX11 v1.5.99.901 (1.6 RC1) y anteriores permite a los servidores X causar una denegación de servicio (por caída del servidor) y posiblemente ejecutar código de su elección a través de valores de índice o de longitud debidamente modificados en las funciones (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, y (16) XGetFontPath.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

Attack Vector

Adjacent

Attack Complexity

High

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2013-02-19 CVE Reserved
2013-05-28 CVE Published
2024-07-09 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-122: Heap-based Buffer Overflow

CAPEC

References (7)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2013/05/23/3	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106781.html	2013-12-01
http://www.debian.org/security/2013/dsa-2693	2013-12-01
http://www.ubuntu.com/usn/USN-1854-1	2013-12-01
http://www.x.org/wiki/Development/Security/Advisory-2013-05-23	2013-12-01
https://access.redhat.com/security/cve/CVE-2013-1997	2014-10-13
https://bugzilla.redhat.com/show_bug.cgi?id=960345	2014-10-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
X Search vendor "X"		Libx11 Search vendor "X" for product "Libx11"				<= 1.5.99.901 Search vendor "X" for product "Libx11" and version " <= 1.5.99.901"		-		Affected
X Search vendor "X"		Libx11 Search vendor "X" for product "Libx11"				1.5.0 Search vendor "X" for product "Libx11" and version "1.5.0"		-		Affected