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Last updated: 2/12/2016 11:13:23 AM

CVE Publication rate: 11.23

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Vulnerability Workload Index: 4.39
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National Cyber Awareness System

Vulnerability Summary for CVE-2013-3954

Original release date: 06/05/2013
Last revised: 10/30/2013


The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not properly validate the data for file actions and port actions, which allows local users to (1) cause a denial of service (panic) via a size value that is inconsistent with a header count field, or (2) obtain sensitive information from kernel heap memory via a certain size value in conjunction with a crafted buffer.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.9 MEDIUM
Impact Subscore: 10.0
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: APPLE
Name: APPLE-SA-2013-10-22-3
External Source: APPLE
Name: APPLE-SA-2013-09-18-2
External Source: MISC
Name: http://www.syscan.org/index.php/sg/program/day/2
External Source: MISC
Name: http://antid0te.com/syscan_2013/SyScan2013_Mountain_Lion_iOS_Vulnerabilities_Garage_Sale_Whitepaper.pdf
External Source: SECTRACK
Name: 1029054
External Source: CONFIRM
Name: http://support.apple.com/kb/HT5934

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/o:apple:iphone_os:6.1.4 and previous versions
* cpe:/o:apple:iphone_os:1.0.0
* cpe:/o:apple:iphone_os:1.0.1
* cpe:/o:apple:iphone_os:1.0.2
* cpe:/o:apple:iphone_os:1.1.0
* cpe:/o:apple:iphone_os:1.1.1
* cpe:/o:apple:iphone_os:1.1.2
* cpe:/o:apple:iphone_os:1.1.3
* cpe:/o:apple:iphone_os:1.1.4
* cpe:/o:apple:iphone_os:1.1.5
* cpe:/o:apple:iphone_os:2.0
* cpe:/o:apple:iphone_os:2.0.0
* cpe:/o:apple:iphone_os:2.0.1
* cpe:/o:apple:iphone_os:2.0.2
* cpe:/o:apple:iphone_os:2.1
* cpe:/o:apple:iphone_os:2.1.1
* cpe:/o:apple:iphone_os:2.2
* cpe:/o:apple:iphone_os:2.2.1
* cpe:/o:apple:iphone_os:3.0
* cpe:/o:apple:iphone_os:3.0.1
* cpe:/o:apple:iphone_os:3.1
* cpe:/o:apple:iphone_os:3.1.2
* cpe:/o:apple:iphone_os:3.1.3
* cpe:/o:apple:iphone_os:3.2
* cpe:/o:apple:iphone_os:3.2.1
* cpe:/o:apple:iphone_os:3.2.2
* cpe:/o:apple:iphone_os:4.0
* cpe:/o:apple:iphone_os:4.0.1
* cpe:/o:apple:iphone_os:4.0.2
* cpe:/o:apple:iphone_os:4.1
* cpe:/o:apple:iphone_os:4.2.1
* cpe:/o:apple:iphone_os:4.2.5
* cpe:/o:apple:iphone_os:4.2.8
* cpe:/o:apple:iphone_os:4.3.0
* cpe:/o:apple:iphone_os:4.3.1
* cpe:/o:apple:iphone_os:4.3.2
* cpe:/o:apple:iphone_os:4.3.3
* cpe:/o:apple:iphone_os:4.3.5
* cpe:/o:apple:iphone_os:5.0
* cpe:/o:apple:iphone_os:5.0.1
* cpe:/o:apple:iphone_os:5.1
* cpe:/o:apple:iphone_os:5.1.1
* cpe:/o:apple:iphone_os:6.0
* cpe:/o:apple:iphone_os:6.0.1
* cpe:/o:apple:iphone_os:6.0.2
* cpe:/o:apple:iphone_os:6.1
* cpe:/o:apple:iphone_os:6.1.2
* cpe:/o:apple:iphone_os:6.1.3
+ Configuration 2
+ OR
* cpe:/o:apple:mac_os_x:10.8.3
* cpe:/o:apple:mac_os_x:10.8.4
* cpe:/o:apple:mac_os_x:10.8.0
* cpe:/o:apple:mac_os_x:10.8.2
* cpe:/o:apple:mac_os_x:10.8.1

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)