X.Org libXinerama up to 1.1.2 Graphical Library XineramaQueryScreens input validation

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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability was found in X.Org libXinerama up to 1.1.2. It has been rated as problematic. This impacts the function XineramaQueryScreens of the component Graphical Library. The manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2013-1985. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in X.Org libXinerama up to 1.1.2 and classified as critical. This issue affects the function XineramaQueryScreens of the component Graphical Library. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in X.org libXinerama 1.1.2 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the XineramaQueryScreens 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. The identification of this vulnerability is CVE-2013-1985 since 02/19/2013. The exploitation is known to be difficult. The attack may be initiated remotely. The successful exploitation requires a simple authentication. Technical details as well as a private exploit are known.

The vulnerability scanner Nessus provides a plugin with the ID 75040 (openSUSE Security Update : libXinerama (openSUSE-SU-2013:1026-1)), 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 167200 (SUSE Enterprise Linux Security Update for xorg-x11-libs (SUSE-SU-2014:0881-1)).

Upgrading to version 1.1.3 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 Tenable (75040), SecurityFocus (BID 60128†), OSVDB (93674†), Secunia (SA53479†) and Vulnerability Center (SBV-39762†). The entries VDB-8875, VDB-8876, VDB-8877 and VDB-8878 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 75040
Nessus Name: openSUSE Security Update : libXinerama (openSUSE-SU-2013:1026-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892691
OpenVAS Name: Debian Security Advisory DSA 2691-1 (libxinerama - 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: libXinerama 1.1.3
Patch: cgit.freedesktop.org

Timelineinfo

02/19/2013 🔍
05/05/2013 +75 days 🔍
05/23/2013 +18 days 🔍
05/23/2013 +0 days 🔍
05/23/2013 +0 days 🔍
05/24/2013 +1 days 🔍
05/27/2013 +3 days 🔍
05/29/2013 +2 days 🔍
06/15/2013 +17 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-2013-1985 (🔍)
GCVE (CVE): GCVE-0-2013-1985
GCVE (VulDB): GCVE-100-8897

OVAL: 🔍

SecurityFocus: 60128 - X.Org libXinerama 'XineramaQueryScreens()' Function Remote Code Execution Vulnerability
Secunia: 53479 - Debian update for libxinerama, Less Critical
OSVDB: 93674
Vulnerability Center: 39762 - X.Org libXinerama <1.1.3 'XineramaQueryScreens()\x27 Heap Based Buffer Overflow Allows Remote Code Execution, Medium

See also: 🔍

Entryinfo

Created: 05/27/2013 17:53
Updated: 05/14/2021 08:27
Changes: 05/27/2013 17:53 (84), 05/01/2017 11:17 (4), 05/14/2021 08:27 (3)
Complete: 🔍
Committer:
Cache ID: 216:3C6:103

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