X.Org X11 up to 7.5 Screen Lock access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in X.Org X11 up to 7.5. This affects an unknown part of the component Screen Lock. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2012-0064. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in X.Org X11 up to 7.5 (Windowing System Software). It has been declared as problematic. This vulnerability affects an unknown functionality of the component Screen Lock. 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, integrity, and availability. CVE summarizes:

xkeyboard-config before 2.5 in X.Org before 7.6 enables certain XKB debugging functions by default, which allows physically proximate attackers to bypass an X screen lock via keyboard combinations that break the input grab.

The weakness was published 02/10/2014 as Bug 783039 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2012-0064 since 12/07/2011. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful 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 57672 (Fedora 15 : xkeyboard-config-2.3-3.fc15 (2012-0709)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 4.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (72459), Tenable (57672), SecurityFocus (BID 51562†), OSVDB (78445†) and SecurityTracker (ID 1026549†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Windowing System Software

Vendor

• X.Org

Name

• X11

Version

• 1.0
• 3.0
• 4.0
• 5.0
• 6.0
• 6.1
• 6.3
• 6.4
• 6.5.1
• 6.6
• 6.7
• 6.8
• 6.8.1
• 6.8.2
• 6.9.0
• 7.0
• 7.1
• 7.2
• 7.3
• 7.4
• 7.5

License

• open-source

Website

• Vendor: https://www.x.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 57672
Nessus Name: Fedora 15 : xkeyboard-config-2.3-3.fc15 (2012-0709)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 863702
OpenVAS Name: Fedora Update for xkeyboard-config FEDORA-2012-0709
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: X11 4.0

Timelineinfo

12/07/2011 🔍
01/19/2012 +43 days 🔍
01/19/2012 +0 days 🔍
01/19/2012 +0 days 🔍
01/25/2012 +6 days 🔍
01/25/2012 +0 days 🔍
02/10/2014 +747 days 🔍
02/10/2014 +0 days 🔍
03/25/2015 +408 days 🔍
03/11/2022 +2543 days 🔍

Sourcesinfo

Vendor: x.org

Advisory: Bug 783039
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-0064 (🔍)
GCVE (CVE): GCVE-0-2012-0064
GCVE (VulDB): GCVE-100-69280
X-Force: 72459
SecurityFocus: 51562 - X.Org XServer ScreenSaver Lock Bypass Vulnerability
OSVDB: 78445
SecurityTracker: 1026549 - X Debugging Feature Lets Physically Local Users Bypass Screen Locking Applications
Vulnerability Center: 34324 - X.org Xserver 1.11 Screensaver Local Security Bypass via a Specific Key Binding, Low

Entryinfo

Created: 03/25/2015 16:45
Updated: 03/11/2022 06:53
Changes: 03/25/2015 16:45 (65), 04/09/2017 14:05 (14), 03/11/2022 06:53 (3)
Complete: 🔍
Cache ID: 216:0F8:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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