Apple Mac OS X up to 10.8 Screen Lock access control

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Apple Mac OS X up to 10.8. Affected is an unknown function of the component Screen Lock. The manipulation results in access control. This vulnerability is cataloged as CVE-2013-5187. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Apple Mac OS X up to 10.8 (Operating System). Affected is an unknown part of the component Screen Lock. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

The Screen Lock implementation in Apple Mac OS X before 10.9 does not immediately accept Keychain Status menu Lock Screen commands, and instead incorrectly relies on a certain timeout setting, which allows physically proximate attackers to obtain sensitive information by reading a screen that should have transitioned into the locked state.

The weakness was shared 10/22/2013 by Michael Kisor, Christian Knappskog, Stefan Gronke and Patrick Reed as APPLE-SA-2013-10-22-3 as confirmed mailinglist post (Apple Security Mailinglist). The advisory is shared for download at lists.apple.com. The mailinglist post contains:

The "Lock Screen" command in the Keychain Status menu bar item did not take effect until after the "Require password [amount of time] after sleep or screen saver begins" setting had elapsed.
This vulnerability is traded as CVE-2013-5187 since 08/15/2013. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. 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 70561 (Mac OS X 10.x < 10.9 Multiple Vulnerabilities (BEAST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks.

Upgrading to version 10.9 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 (88227), Tenable (70561), SecurityFocus (BID 63345†) and Vulnerability Center (SBV-45059†). The entries VDB-10327, VDB-10946, VDB-10932 and VDB-10931 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.1
VulDB Temp Score: 4.9
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: 70561
Nessus Name: Mac OS X 10.x < 10.9 Multiple Vulnerabilities (BEAST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Mac OS X 10.9

Timelineinfo

08/15/2013 🔍
10/22/2013 +68 days 🔍
10/22/2013 +0 days 🔍
10/22/2013 +0 days 🔍
10/22/2013 +0 days 🔍
10/23/2013 +1 days 🔍
10/23/2013 +0 days 🔍
06/18/2014 +238 days 🔍
06/01/2021 +2540 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: APPLE-SA-2013-10-22-3
Researcher: Michael Kisor, Christian Knappskog, Stefan Gronke, Patrick Reed
Status: Confirmed

CVE: CVE-2013-5187 (🔍)
GCVE (CVE): GCVE-0-2013-5187
GCVE (VulDB): GCVE-100-10944
X-Force: 88227
SecurityFocus: 63345 - Apple Mac OS X CVE-2013-5187 Local Unauthorised Access Vulnerability
Vulnerability Center: 45059 - Apple Mac OS X <10.9 Local Information Disclosure in Screen Lock Implementation, Low

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 10/23/2013 17:41
Updated: 06/01/2021 08:24
Changes: 10/23/2013 17:41 (69), 05/31/2017 08:53 (2), 06/01/2021 08:24 (3)
Complete: 🔍
Cache ID: 216:498:103

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