VDB-9019 · CVE-2013-3954 · BID 52107

Apple Mac OS X up to 10.8.3 XNU Kernel posix_spawn input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

A vulnerability classified as problematic was found in Apple Mac OS X up to 10.8.3 (Operating System). Affected by this vulnerability is the function posix_spawn of the component XNU Kernel. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

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.

The weakness was shared 04/26/2013 by Stefan Esser with SektionEins GmbH as not defined article (Website). It is possible to read the advisory at antid0te.com. The vendor was not involved in the public release. This vulnerability is known as CVE-2013-3954 since 06/05/2013. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 70257 (Apple TV < 6.0 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r.

Upgrading eliminates this vulnerability. A possible mitigation has been published 6 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (70257). The entries 4661, 5610, 8303 and 8559 are related to this item.

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  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 70257
Nessus Name: Apple TV < 6.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities - 01 Jan14
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

04/26/2013 🔍
06/05/2013 +40 days 🔍
06/05/2013 +0 days 🔍
06/07/2013 +2 days 🔍
09/19/2013 +104 days 🔍
09/20/2013 +1 days 🔍
10/01/2013 +11 days 🔍
05/14/2021 +2782 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: antid0te.com
Researcher: Stefan Esser
Organization: SektionEins GmbH
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-3954 (🔍)
SecurityTracker: 1029054
SecurityFocus: 52107
Secunia: 54886 - Apple iOS Multiple Vulnerabilities, Highly Critical
OSVDB: 93964

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

Entryinfo

Created: 06/07/2013 18:07
Updated: 05/14/2021 13:11
Changes: 06/07/2013 18:07 (62), 04/12/2019 08:55 (14), 05/14/2021 13:11 (3)
Complete: 🔍

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