Apple Mac OS X up to 10.11.4 AMD Kernel Memory information disclosure

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

Summaryinfo

A vulnerability labeled as problematic has been found in Apple Mac OS X up to 10.11.4. This impacts an unknown function of the component AMD. The manipulation results in information disclosure (Kernel Memory). This vulnerability is identified as CVE-2016-1791. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Apple Mac OS X up to 10.11.4 (Operating System). Affected is an unknown part of the component AMD. The manipulation with an unknown input leads to a information disclosure vulnerability (Kernel Memory). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The AMD subsystem in Apple OS X before 10.11.5 allows attackers to obtain sensitive kernel memory-layout information via a crafted app.

The weakness was released 05/16/2016 by Stefan Esser (lokihardt) with Google Project Zero as HT206567 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is traded as CVE-2016-1791 since 01/13/2016. The exploitability is told to be easy. Local access is required to approach this attack. A authentication is necessary for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project. The advisory points out:

An issue existed that led to the disclosure of kernel memory content. This issue was addressed through improved bounds checking.

The vulnerability scanner Nessus provides a plugin with the ID 91229 (Mac OS X 10.9.5 / 10.10.5 Multiple Vulnerabilities (Security Update 2016-003)), 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 l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 122912 (Apple Mac OS X v10.11.5 and Security Update 2016-003 Not Installed (APPLE-SA-2016-05-16-4)).

Upgrading to version 10.11.5 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 Tenable (91229) and SecurityFocus (BID 90696†). Entries connected to this vulnerability are available at VDB-87425, VDB-87434, VDB-87435 and VDB-87436. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 5.9

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Kernel Memory
Class: Information disclosure / Kernel Memory
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91229
Nessus Name: Mac OS X 10.9.5 / 10.10.5 Multiple Vulnerabilities (Security Update 2016-003)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881901
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 November-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Mac OS X 10.11.5

Timelineinfo

01/13/2016 🔍
05/16/2016 +124 days 🔍
05/16/2016 +0 days 🔍
05/16/2016 +0 days 🔍
05/18/2016 +2 days 🔍
05/19/2016 +1 days 🔍
05/20/2016 +1 days 🔍
08/19/2022 +2282 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206567
Researcher: Stefan Esser (lokihardt)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1791 (🔍)
GCVE (CVE): GCVE-0-2016-1791
GCVE (VulDB): GCVE-100-87426
SecurityFocus: 90696 - Apple Mac OS X APPLE-SA-2016-05-16-4 Multiple Security Vulnerabilities
SecurityTracker: 1035895

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

Entryinfo

Created: 05/18/2016 11:55
Updated: 08/19/2022 15:32
Changes: 05/18/2016 11:55 (71), 11/30/2018 11:58 (16), 08/19/2022 15:32 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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