Apple watchOS up to 3.0 libarchive link following

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple watchOS up to 3.0 and classified as critical. The impacted element is an unknown function of the component libarchive. The manipulation leads to link following. This vulnerability is traded as CVE-2016-4679. An attack has to be approached locally. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple watchOS up to 3.0 (Smartwatch Operating System). This issue affects an unknown part of the component libarchive. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is integrity, and availability.

The weakness was shared 10/24/2016 by Omer Medan with enSilo as HT207269 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2016-4679 since 05/11/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:

An issue existed within the path validation logic for symlinks. This issue was addressed through improved path sanitization.

The vulnerability scanner Nessus provides a plugin with the ID 94337 (Apple TV < 10.0.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370175 (Apple Mac OS X Security Update Sierra 10.12.1, El Capitan 2016-002 and Yosemite 2016-006 Not Installed (APPLE-SA-2016-10-24-2)).

Upgrading to version 3.1 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 (94337) and SecurityFocus (BID 93849†). The entries VDB-93042, VDB-93046, VDB-93047 and VDB-93052 are related to this item. 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: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
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: 94337
Nessus Name: Apple TV < 10.0.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-03 February-2017
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: watchOS 3.1

Timelineinfo

05/11/2016 🔍
10/24/2016 +166 days 🔍
10/24/2016 +0 days 🔍
10/24/2016 +0 days 🔍
10/25/2016 +1 days 🔍
10/27/2016 +2 days 🔍
02/20/2017 +116 days 🔍
09/28/2022 +2046 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207269
Researcher: Omer Medan
Organization: enSilo
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4679 (🔍)
GCVE (CVE): GCVE-0-2016-4679
GCVE (VulDB): GCVE-100-93089
SecurityFocus: 93849 - Apple macOS/watchOS/iOS/tvOS Multiple Security Vulnerabilities
SecurityTracker: 1037086

See also: 🔍

Entryinfo

Created: 10/25/2016 11:30
Updated: 09/28/2022 14:14
Changes: 10/25/2016 11:30 (71), 05/18/2019 06:53 (12), 09/28/2022 14:14 (4)
Complete: 🔍
Cache ID: 216:842:103

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

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