Apple watchOS up to 3.1.2 Kernel memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apple watchOS up to 3.1.2. This affects an unknown part of the component Kernel. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2016-7637. The attack can only be performed from a local environment. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple watchOS up to 3.1.2 (Smartwatch Operating System) and classified as critical. Affected by this issue is an unknown function of the component Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The bug was discovered 12/22/2016. The weakness was published 01/23/2017 by Ian Beer (daybreaker@Minionz) with Google Project Zero as HT207487 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2016-7637 since 09/09/2016. The attack needs to be approached locally. The successful exploitation requires a simple authentication. Technical details are unknown but a public exploit is available. The advisory points out:

A memory corruption issue was addressed through improved input validation.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. 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 Exploit-DB (40931), Tenable (95917) and SecurityFocus (BID 94905†). Similar entries are available at VDB-87463, VDB-91385, VDB-91659 and VDB-93261. 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: 8.3
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
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: Memory corruption
CWE: CWE-119
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: 🔍
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 🔍
12/16/2016 +3 days 🔍
12/22/2016 +6 days 🔍
01/23/2017 +32 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: Ian Beer (daybreaker@Minionz)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7637 (🔍)
GCVE (CVE): GCVE-0-2016-7637
GCVE (VulDB): GCVE-100-95900
SecurityFocus: 94905 - Apple macOS/watchOS/iOS/tvOS Multiple Security Vulnerabilities
OSVDB: - CVE-2016-7637 - Apple - Multiple Products - Memory Corruption Issue
SecurityTracker: 1037469

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 01/25/2017 11:27
Updated: 09/22/2024 06:31
Changes: 01/25/2017 11:27 (78), 07/31/2020 09:48 (10), 11/03/2022 13:41 (4), 09/22/2024 06:31 (16)
Complete: 🔍
Cache ID: 216:5B8:103

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