Apple Mac OS X up to 10.11.4 AppleGraphicsPowerManagement memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple Mac OS X up to 10.11.4. It has been declared as problematic. This affects an unknown function of the component AppleGraphicsPowerManagement. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2016-1795. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apple Mac OS X up to 10.11.4 (Operating System). This vulnerability affects some unknown processing of the component AppleGraphicsPowerManagement. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

AppleGraphicsPowerManagement in Apple OS X before 10.11.5 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

The weakness was released 05/16/2016 by Jack Tang (lokihardt) with Trend Micro as HT206567 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2016-1795 since 01/13/2016. The exploitation appears to be easy. The attack needs to be approached locally. Required for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The advisory points out:

A memory corruption issue was addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 91228 (Mac OS X 10.11.x < 10.11.5 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 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 (91228) and SecurityFocus (BID 90696†). Entries connected to this vulnerability are available at VDB-87425, VDB-87434, VDB-87435 and VDB-87438. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 91228
Nessus Name: Mac OS X 10.11.x < 10.11.5 Multiple Vulnerabilities
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: 🔍
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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: Jack Tang (lokihardt)
Organization: Trend Micro
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1795 (🔍)
GCVE (CVE): GCVE-0-2016-1795
GCVE (VulDB): GCVE-100-87436
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 11:51
Updated: 08/19/2022 16:38
Changes: 05/18/2016 11:51 (79), 11/30/2018 11:59 (6), 08/19/2022 16:38 (4)
Complete: 🔍
Cache ID: 216::103

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