Summaryinfo

A vulnerability was found in Apple Mac OS X 10.8.5/10.9.5/10.10/10.10.1. It has been classified as problematic. The affected element is an unknown function. This manipulation causes information disclosure. The identification of this vulnerability is CVE-2014-4491. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Apple Mac OS X 10.8.5/10.9.5/10.10/10.10.1 (Operating System) and classified as problematic. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The weakness was shared 01/27/2015 by @PanguTeam and Stefan Esser as HT204244 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2014-4491 since 06/20/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK. The advisory points out:

An information disclosure issue existed in the handling of APIs related to kernel extensions. Responses containing an OSBundleMachOHeaders key may have included kernel addresses, which may aid in bypassing address space layout randomization protection. Th

The vulnerability scanner Nessus provides a plugin with the ID 81145 (Apple TV < 7.0.3 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc.. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123193 (Apple Mac OS X v10.10.2 and Security Update 2015-001 Not Installed (APPLE-SA-2015-01-27-4)).

Upgrading to version 10.10.2 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 (100518) and Tenable (81145). Additional details are provided at us-cert.gov. The entries VDB-67778, VDB-68077, VDB-68232 and VDB-68339 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Apple

Name

• Mac OS X

Version

• 10.8.5
• 10.9.5
• 10.10
• 10.10.1

License

• commercial

Support

• end of life

Website

• Vendor: https://www.apple.com/

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