Apple macOS up to 10.13.0 Kernel information disclosure

Summaryinfo

A vulnerability classified as problematic has been found in Apple macOS up to 10.13.0. Affected by this issue is some unknown functionality of the component Kernel. This manipulation causes information disclosure. This vulnerability is tracked as CVE-2017-13852. The attack is restricted to local execution. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Apple macOS up to 10.13.0 (Operating System). Affected by this vulnerability is some unknown processing of the component Kernel. 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 summary by CVE is:

An issue was discovered in certain Apple products. iOS before 11.1 is affected. macOS before 10.13.1 is affected. tvOS before 11.1 is affected. watchOS before 4.1 is affected. The issue involves the "Kernel" component. It allows attackers to monitor arbitrary apps via a crafted app that accesses process information at a high rate.

The bug was discovered 10/31/2017. The weakness was disclosed 11/13/2017 as HT208219 as confirmed security advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2017-13852 since 08/30/2017. An attack has to be approached locally. Required for exploitation is a single authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 104378 (macOS 10.13.x < 10.13.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370625 (Apple macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, and Security Update 2017-004 El Capitan Not Installed).

Upgrading to version 10.13.1 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (104378). The entries VDB-108926, VDB-108913, VDB-108914 and VDB-108915 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Apple

Name

• macOS

Version

• 10.0
• 10.1
• 10.2
• 10.3
• 10.4
• 10.5
• 10.6
• 10.7
• 10.8
• 10.9
• 10.10
• 10.11
• 10.12
• 10.13.0

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion