Apple watchOS up to 3.1.2 ICU memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple watchOS up to 3.1.2. It has been classified as critical. This issue affects some unknown processing of the component ICU. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2016-7594. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple watchOS up to 3.1.2 (Smartwatch Operating System) and classified as critical. This issue affects an unknown code block of the component ICU. 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 12/13/2016. The weakness was released 01/23/2017 by daybreaker@Minionz with Trend Micro as HT207487 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-7594 since 09/09/2016. 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. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A memory corruption issue was addressed through improved memory handling.

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 $5k-$25k. 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†). Entries connected to this vulnerability are available at VDB-87463, VDB-91385, VDB-91659 and VDB-93261. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
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: 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 🔍
09/20/2024 +2769 days 🔍

Sourcesinfo

Vendor: apple.com

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

CVE: CVE-2016-7594 (🔍)
GCVE (CVE): GCVE-0-2016-7594
GCVE (VulDB): GCVE-100-95891
SecurityFocus: 94905 - Apple macOS/watchOS/iOS/tvOS Multiple Security Vulnerabilities
OSVDB: - CVE-2016-7594 - Apple - Multiple Products - Memory Corruption Issue
SecurityTracker: 1037469

See also: 🔍

Entryinfo

Created: 01/25/2017 11:21
Updated: 09/20/2024 15:10
Changes: 01/25/2017 11:21 (76), 07/31/2020 09:19 (8), 11/03/2022 12:44 (4), 09/20/2024 15:10 (16)
Complete: 🔍
Cache ID: 216:73E:103

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