X.org X Window System up to 2:1.7.6/2:1.12.3 X Server access control

CVSS Meta Temp Score
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CTI Interest Score
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2.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in X.org X Window System up to 2:1.7.6/2:1.12.3. This issue affects some unknown processing of the component X Server. Executing a manipulation can lead to access control. This vulnerability is tracked as CVE-2013-1940. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as problematic was found in X.org X Window System up to 2:1.7.6/2:1.12.3 (Windowing System Software). This vulnerability affects an unknown part of the component X Server. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality. CVE summarizes:

X.Org X server before 1.13.4 and 1.4.x before 1.14.1 does not properly restrict access to input events when adding a new hot-plug device, which might allow physically proximate attackers to obtain sensitive information, as demonstrated by reading passwords from a tty.

The weakness was disclosed 04/17/2013 by David Airlie and Peter Hutterer with Red Hat as not defined advisory (Full-Disclosure). The advisory is shared for download at archives.neohapsis.com. The public release happened without coordination with the vendor. This vulnerability was named CVE-2013-1940 since 02/19/2013. The exploitation appears to be difficult. The attack needs to be approached locally. A single authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 74992 (openSUSE Security Update : xorg-x11-server (openSUSE-SU-2013:0937-1)), 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 166889 (SUSE Enterprise Linux Security Update for xorg-x11-server (SUSE-SU-2014:0744-1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at cgit.freedesktop.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (83641), Tenable (74992), SecurityFocus (BID 59282†), OSVDB (92518†) and Vulnerability Center (SBV-39533†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.5
VulDB Meta Temp Score: 2.4

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74992
Nessus Name: openSUSE Security Update : xorg-x11-server (openSUSE-SU-2013:0937-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892661
OpenVAS Name: Debian Security Advisory DSA 2661-1 (xorg-server - information disclosure
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: cgit.freedesktop.org

Timelineinfo

02/19/2013 🔍
04/17/2013 +57 days 🔍
04/17/2013 +0 days 🔍
04/17/2013 +0 days 🔍
04/17/2013 +0 days 🔍
04/22/2013 +5 days 🔍
05/13/2013 +21 days 🔍
05/13/2013 +0 days 🔍
06/13/2014 +396 days 🔍
05/10/2021 +2523 days 🔍

Sourcesinfo

Vendor: x.org

Advisory: archives.neohapsis.com
Researcher: David Airlie, Peter Hutterer
Organization: Red Hat
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-1940 (🔍)
GCVE (CVE): GCVE-0-2013-1940
GCVE (VulDB): GCVE-100-8452

OVAL: 🔍

X-Force: 83641
SecurityFocus: 59282 - X.Org X11 CVE-2013-1940 Local Information Disclosure Vulnerability
OSVDB: 92518
Vulnerability Center: 39533 - X.Org X11 Allows Local Information Disclo9sure Vulnerability, Low

Entryinfo

Created: 04/22/2013 10:48
Updated: 05/10/2021 07:18
Changes: 04/22/2013 10:48 (80), 04/29/2017 20:45 (2), 05/10/2021 07:18 (3)
Complete: 🔍
Committer:
Cache ID: 216:C45:103

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