X.Org up to 1.5.99.901 (1.6 RC1) libX11 numeric error

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in X.Org up to 1.5.99.901 (1.6 RC1). The impacted element is the function XListFontsWithInfo/XGetMotionEvents/XListHosts/XGetModifierMapping/XGetPointerMapping/XGetKeyboardMapping/XGetWindowProperty/XGetImage in the library libX11. Such manipulation leads to numeric error. This vulnerability is documented as CVE-2013-1981. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in X.Org up to 1.5.99.901 (1.6 RC1) and classified as critical. Affected by this issue is the function XListFontsWithInfo/XGetMotionEvents/XListHosts/XGetModifierMapping/XGetPointerMapping/XGetKeyboardMapping/XGetWindowProperty/XGetImage in the library libX11. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was released 05/23/2013 by Ilja van Sprundel with IOActive as not defined advisory (Website). The advisory is available at x.org. The public release was coordinated with the vendor. This vulnerability is handled as CVE-2013-1981 since 02/19/2013. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a private exploit are known.

The vulnerability scanner Nessus provides a plugin with the ID 75052 (openSUSE Security Update : libX11 (openSUSE-SU-2013:1047-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 185112 (HP-UX Running X Windows Libraries Multiple Vulnerabilities (HPSBUX03049)).

Upgrading to version 1.5.99.902 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (84494), Tenable (75052), SecurityFocus (BID 60120†), OSVDB (93690†) and Secunia (SA53536†). Entries connected to this vulnerability are available at VDB-8875, VDB-8876, VDB-8877 and VDB-8878. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 75052
Nessus Name: openSUSE Security Update : libX11 (openSUSE-SU-2013:1047-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892693
OpenVAS Name: Debian Security Advisory DSA 2693-1 (libx11 - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: X.Org 1.5.99.902

Timelineinfo

02/19/2013 🔍
05/23/2013 +93 days 🔍
05/23/2013 +0 days 🔍
05/23/2013 +0 days 🔍
05/23/2013 +0 days 🔍
05/27/2013 +4 days 🔍
05/29/2013 +2 days 🔍
06/10/2013 +12 days 🔍
06/15/2013 +5 days 🔍
06/13/2014 +363 days 🔍
05/14/2021 +2527 days 🔍

Sourcesinfo

Advisory: x.org
Researcher: Ilja van Sprundel
Organization: IOActive
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-1981 (🔍)
GCVE (CVE): GCVE-0-2013-1981
GCVE (VulDB): GCVE-100-8906

OVAL: 🔍

X-Force: 84494
SecurityFocus: 60120 - X.Org libX11 CVE-2013-1981 Multiple Remote Code Execution Vulnerabilities
Secunia: 53536 - Debian update for libx11, Less Critical
OSVDB: 93690
Vulnerability Center: 39932 - libX11 Through 1.5.99.901 Remote Code Execution due to Integer Overflow in LoadColornameDB(), XrmGetFileDatabase(), _XimParseStringFile() and TransFileName(), Medium

See also: 🔍

Entryinfo

Created: 05/29/2013 11:39
Updated: 05/14/2021 08:40
Changes: 05/29/2013 11:39 (83), 05/02/2017 08:33 (4), 05/14/2021 08:40 (2)
Complete: 🔍
Committer:
Cache ID: 216:236:103

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