Apple watchOS up to 3.1.2 libarchive link following

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple watchOS up to 3.1.2 and classified as problematic. The affected element is an unknown function of the component libarchive. The manipulation results in link following. This vulnerability is cataloged as CVE-2016-7619. The attack must be initiated from a local position. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Apple watchOS up to 3.1.2 (Smartwatch Operating System). Affected is an unknown code of the component libarchive. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity, and availability.

The bug was discovered 12/13/2016. The weakness was shared 01/23/2017 by daybreaker@Minionz with Trend Micro as HT207487 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2016-7619 since 09/09/2016. The attack needs to be approached locally. A authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The advisory points out:

A validation issue existed in the handling of symlinks. This issue was addressed through improved validation of symlinks.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. 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 3.1.3 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 (95917) and SecurityFocus (BID 94905†). The entries VDB-87463, VDB-91385, VDB-91659 and VDB-93261 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
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

Class: Link following
CWE: CWE-59
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: 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: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: watchOS 3.1.3

Timelineinfo

09/09/2016 🔍
12/13/2016 +95 days 🔍
12/13/2016 +0 days 🔍
12/16/2016 +3 days 🔍
01/23/2017 +38 days 🔍
01/23/2017 +0 days 🔍
01/25/2017 +2 days 🔍
02/20/2017 +26 days 🔍
09/22/2024 +2771 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207487
Researcher: daybreaker@Minionz
Organization: Trend Micro
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7619 (🔍)
GCVE (CVE): GCVE-0-2016-7619
GCVE (VulDB): GCVE-100-95904
SecurityFocus: 94905 - Apple macOS/watchOS/iOS/tvOS Multiple Security Vulnerabilities
OSVDB: - CVE-2016-7619 - Apple - Multiple Products - Symlink Issue
SecurityTracker: 1037469

See also: 🔍

Entryinfo

Created: 01/25/2017 11:21
Updated: 09/22/2024 13:17
Changes: 01/25/2017 11:21 (77), 07/31/2020 09:54 (8), 11/03/2022 14:04 (4), 09/22/2024 13:17 (16)
Complete: 🔍
Cache ID: 216:137:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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