X.Org libXcursor up to 1.1.13 Graphical Library XcursorFileHeaderCreate numeric error

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8.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in X.Org libXcursor up to 1.1.13. Affected by this vulnerability is the function XcursorFileHeaderCreate of the component Graphical Library. Performing a manipulation results in numeric error. This vulnerability is reported as CVE-2013-2003. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in X.Org libXcursor up to 1.1.13. This affects the function XcursorFileHeaderCreate of the component Graphical Library. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in X.org libXcursor 1.1.13 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the _XcursorFileHeaderCreate function.

The weakness was disclosed 05/23/2013 by Ilja van Sprundel with IOActive as not defined advisory (Website). The advisory is shared at x.org. The public release has been coordinated in cooperation with X.Org. This vulnerability is uniquely identified as CVE-2013-2003 since 02/19/2013. The exploitability is told to be difficult. It is possible to initiate the attack remotely. The successful exploitation needs a authentication. Technical details and a private exploit are known.

The vulnerability scanner Nessus provides a plugin with the ID 75038 (openSUSE Security Update : libXcursor (openSUSE-SU-2013:1031-1)), 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 350250 (Amazon Linux Security Advisory for libX11,libXcursor,libXfixes,libXi,libXrandr,libXrender,libXres,libXt,libXv,libXvMC,libXxf86dga,libXxf86vm,libdmx,xorg-x11-proto-devel: ALAS-2014-452).

Upgrading to version 1.1.14 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cgit.freedesktop.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (84497), Tenable (75038), SecurityFocus (BID 60121†), OSVDB (93654†) and Secunia (SA53512†). The entries VDB-8875, VDB-8876, VDB-8878 and VDB-8879 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 8.6

VulDB Base Score: 9.9
VulDB Temp Score: 8.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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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: 75038
Nessus Name: openSUSE Security Update : libXcursor (openSUSE-SU-2013:1031-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892681
OpenVAS Name: Debian Security Advisory DSA 2681-1 (libxcursor - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libXcursor 1.1.14
Patch: cgit.freedesktop.org

Timelineinfo

02/19/2013 🔍
04/27/2013 +67 days 🔍
05/23/2013 +26 days 🔍
05/23/2013 +0 days 🔍
05/23/2013 +0 days 🔍
05/24/2013 +1 days 🔍
05/27/2013 +3 days 🔍
06/10/2013 +14 days 🔍
06/15/2013 +5 days 🔍
06/13/2014 +363 days 🔍
05/14/2021 +2527 days 🔍

Sourcesinfo

Vendor: x.org

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

CVE: CVE-2013-2003 (🔍)
GCVE (CVE): GCVE-0-2013-2003
GCVE (VulDB): GCVE-100-8877

OVAL: 🔍

X-Force: 84497
SecurityFocus: 60121 - X.Org libXcursor '_XcursorFileHeaderCreate()' Function Remote Code Execution Vulnerability
Secunia: 53512 - Debian update for libxcursor, Less Critical
OSVDB: 93654
Vulnerability Center: 39930 - libXcursor Through 1.1.13 Remote Code Execution due to Integer Overflow in _XcursorFileHeaderCreate(), Medium

See also: 🔍

Entryinfo

Created: 05/27/2013 17:33
Updated: 05/14/2021 06:45
Changes: 05/27/2013 17:33 (84), 05/02/2017 08:32 (4), 05/14/2021 06:45 (3)
Complete: 🔍
Committer:
Cache ID: 216:3C6:103

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