Apple macOS up to 10.12.5 Kernel Memory access control

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Apple macOS up to 10.12.5. Affected is an unknown function of the component Kernel. This manipulation causes access control (Memory). This vulnerability is tracked as CVE-2017-7067. 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 10.12.5 (Operating System). Affected by this vulnerability is some unknown processing of the component Kernel. The manipulation with an unknown input leads to a access control vulnerability (Memory). The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality. The summary by CVE is:

An issue was discovered in certain Apple products. macOS before 10.12.6 is affected. The issue involves the "Kernel" component. It allows attackers to bypass intended memory-read restrictions via a crafted app.

The bug was discovered 07/19/2017. The weakness was disclosed 07/19/2017 by Lufeng Li (riusksk) with Qihoo 360 as HT207922 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2017-7067 since 03/17/2017. 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 T1068 for this issue. The advisory points out:

A validation issue was addressed with improved input sanitization.

The vulnerability scanner Nessus provides a plugin with the ID 101957 (macOS and Mac OS X Multiple Vulnerabilities (Security Update 2017-003)), 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 370475 (Apple macOS Sierra Security Update 10.12.6, El Capitan 2017-003 and Yosemite 2017-003 Not Installed (2017-003)).

Upgrading to version 10.12.6 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 (101957) and SecurityFocus (BID 99882†). The entries VDB-97206, VDB-101947, VDB-104147 and VDB-104101 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Access control / Memory
CWE: 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: 101957
Nessus Name: macOS and Mac OS X Multiple Vulnerabilities (Security Update 2017-003)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Code Execution And Information Disclosure Vulnerabilities HT207922
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: macOS 10.12.6

Timelineinfo

03/17/2017 🔍
07/19/2017 +124 days 🔍
07/19/2017 +0 days 🔍
07/19/2017 +0 days 🔍
07/20/2017 +1 days 🔍
07/20/2017 +0 days 🔍
07/20/2017 +0 days 🔍
07/25/2017 +5 days 🔍
01/05/2021 +1260 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207922
Researcher: Lufeng Li (riusksk)
Organization: Qihoo 360
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7067 (🔍)
GCVE (CVE): GCVE-0-2017-7067
GCVE (VulDB): GCVE-100-104257
SecurityFocus: 99882 - Apple macOS APPLE-SA-2017-07-19-2 Multiple Security Vulnerabilities
SecurityTracker: 1038951

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 07/20/2017 15:38
Updated: 01/05/2021 13:44
Changes: 07/20/2017 15:38 (82), 10/30/2019 15:42 (7), 01/05/2021 13:44 (3)
Complete: 🔍
Cache ID: 216::103

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

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