Apple macOS up to 10.12.1 xar input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apple macOS up to 10.12.1. Affected by this vulnerability is an unknown functionality of the component xar. This manipulation causes input validation. This vulnerability is handled as CVE-2016-7742. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple macOS up to 10.12.1 (Operating System) and classified as critical. Affected by this vulnerability is some unknown functionality of the component xar. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in certain Apple products. macOS before 10.12.2 is affected. The issue involves the "xar" component, which allows remote attackers to execute arbitrary code via a crafted archive that triggers use of uninitialized memory locations.

The bug was discovered 12/13/2016. The weakness was released 02/20/2017 as HT207423 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2016-7742 since 09/09/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

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.

Upgrading to version 10.12.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (95917) and SecurityFocus (BID 85054†). Entries connected to this vulnerability are available at VDB-81410, VDB-81411, VDB-81412 and VDB-81413. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 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: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: macOS 10.12.2

Timelineinfo

03/21/2016 🔍
09/09/2016 +172 days 🔍
12/13/2016 +95 days 🔍
12/13/2016 +0 days 🔍
12/16/2016 +3 days 🔍
02/20/2017 +66 days 🔍
02/20/2017 +0 days 🔍
02/20/2017 +0 days 🔍
08/16/2020 +1273 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207423
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7742 (🔍)
GCVE (CVE): GCVE-0-2016-7742
GCVE (VulDB): GCVE-100-97141
SecurityFocus: 85054 - Apple Mac OS X Server APPLE-SA-2016-03-21-7 Multiple Security Vulnerabilities
OSVDB: - CVE-2016-7742 - Apple - macOS - Code Execution Issue

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

Entryinfo

Created: 02/20/2017 15:04
Updated: 08/16/2020 09:34
Changes: 02/20/2017 15:04 (79), 08/16/2020 09:34 (2)
Complete: 🔍
Cache ID: 216::103

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