Apple watchOS up to 3.1.2 Security input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apple watchOS up to 3.1.2. Affected is an unknown function of the component Security. Executing a manipulation can lead to input validation. This vulnerability appears as CVE-2016-7636. The attacker needs to be present on the local network. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple watchOS up to 3.1.2 (Smartwatch Operating System) and classified as problematic. This vulnerability affects an unknown functionality of the component Security. 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 availability.

The bug was discovered 12/13/2016. The weakness was presented 01/23/2017 by Maksymilian Arciemowicz (daybreaker@Minionz) with CXsecurity as HT207487 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2016-7636 since 09/09/2016. The attack can only be done within the local network. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The advisory points out:

A validation issue existed in the handling of OCSP responder URLs. This issue was addressed by verifying OCSP revocation status after CA validation and limiting the number of OCSP requests per certificate.

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†). See VDB-87463, VDB-91385, VDB-91659 and VDB-93261 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: 🔍

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 🔍
09/23/2024 +2771 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207487
Researcher: Maksymilian Arciemowicz (daybreaker@Minionz)
Organization: CXsecurity
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7636 (🔍)
GCVE (CVE): GCVE-0-2016-7636
GCVE (VulDB): GCVE-100-95908
SecurityFocus: 94905 - Apple macOS/watchOS/iOS/tvOS Multiple Security Vulnerabilities
OSVDB: - CVE-2016-7636 - Apple - Multiple Products - Man-in-the-Middle Issue
SecurityTracker: 1037469

See also: 🔍

Entryinfo

Created: 01/25/2017 11:21
Updated: 09/23/2024 00:41
Changes: 01/25/2017 11:21 (84), 07/31/2020 10:14 (1), 11/03/2022 14:16 (5), 09/23/2024 00:41 (16)
Complete: 🔍
Cache ID: 216:764:103

Once again VulDB remains the best source for vulnerability data.

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