Apple Mac OS X up to 10.11.0 Graphics Drivers memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple Mac OS X up to 10.11.0. It has been declared as problematic. This affects an unknown function of the component Graphics Drivers. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2015-7021. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Mac OS X up to 10.11.0 (Operating System). It has been rated as critical. Affected by this issue is some unknown processing of the component Graphics Drivers. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The Graphics Drivers subsystem in Apple OS X before 10.11.1 allows local users to gain privileges or cause a denial of service (kernel memory corruption) via unspecified vectors.

The weakness was disclosed 10/21/2015 by Moony Li with Trend Micro as HT205375 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2015-7021 since 09/16/2015. The attack needs to be approached locally. Required for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available. The advisory points out:

A memory corruption issue existed in the kernel. This issue was addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 86654 (Mac OS X < 10.11.1 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124182 (Apple Mac OS X Security Update 2015-007 Not Installed (APPLE-SA-2015-10-21-4)).

Upgrading to version 10.11.1 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 (86654) and Vulnerability Center (SBV-53896†). The entries VDB-77709, VDB-78724, VDB-78725 and VDB-78727 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

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

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: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86654
Nessus Name: Mac OS X < 10.11.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 October-15
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 10.11.1

Timelineinfo

09/16/2015 🔍
10/21/2015 +35 days 🔍
10/21/2015 +0 days 🔍
10/21/2015 +0 days 🔍
10/22/2015 +1 days 🔍
10/22/2015 +0 days 🔍
10/23/2015 +1 days 🔍
11/19/2024 +3315 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205375
Researcher: Moony Li
Organization: Trend Micro
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7021 (🔍)
GCVE (CVE): GCVE-0-2015-7021
GCVE (VulDB): GCVE-100-78812
SecurityFocus: 64048
Vulnerability Center: 53896 - Apple MacOS X Local Code Execution due to an Issue in Graphics Drivers, Medium

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

Entryinfo

Created: 10/22/2015 11:24
Updated: 11/19/2024 21:21
Changes: 10/22/2015 11:24 (60), 02/17/2018 09:38 (12), 06/24/2022 14:56 (4), 11/19/2024 21:21 (16)
Complete: 🔍
Cache ID: 216::103

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