Apple macOS up to 10.12.1 syslog access control

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Apple macOS up to 10.12.1. Affected by this vulnerability is an unknown functionality of the component syslog. Performing a manipulation results in access control. This vulnerability was named CVE-2016-7660. The attack needs to be approached locally. In addition, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.12.1 (Operating System). This affects an unknown code of the component syslog. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 12/22/2016. The weakness was presented 12/13/2016 by Ian Beer (daybreaker@Minionz) with Google Project Zero as HT207423 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2016-7660 since 09/09/2016. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue. The advisory points out:

An issue in mach port name references was addressed through improved validation.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 95917 (macOS 10.12.x < 10.12.2 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 370262 (Apple macOS Sierra Security Update 10.12.2 Not Installed (APPLE-SA-2016-12-13-1)).

Upgrading to version 10.12.2 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 Exploit-DB (40959), Tenable (95917) and SecurityFocus (BID 94905†). See VDB-87463, VDB-91385, VDB-91659 and VDB-93261 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.8
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95917
Nessus Name: macOS 10.12.x < 10.12.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 February-2017
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.12.2

Timelineinfo

09/09/2016 🔍
12/13/2016 +95 days 🔍
12/13/2016 +0 days 🔍
12/13/2016 +0 days 🔍
12/16/2016 +3 days 🔍
12/16/2016 +0 days 🔍
12/22/2016 +6 days 🔍
02/20/2017 +60 days 🔍
09/23/2024 +2772 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207423
Researcher: Ian Beer (daybreaker@Minionz)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7660 (🔍)
GCVE (CVE): GCVE-0-2016-7660
GCVE (VulDB): GCVE-100-94413
SecurityFocus: 94905 - Apple macOS/watchOS/iOS/tvOS Multiple Security Vulnerabilities
SecurityTracker: 1037469

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

Entryinfo

Created: 12/16/2016 14:12
Updated: 09/23/2024 04:30
Changes: 12/16/2016 14:12 (53), 07/08/2019 12:51 (35), 10/08/2022 08:41 (4), 09/23/2024 04:30 (16)
Complete: 🔍
Cache ID: 216::103

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