Apple watchOS up to 4.1 Kernel memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apple watchOS up to 4.1. This affects an unknown function of the component Kernel. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2017-13833. An attack has to be approached locally. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple watchOS up to 4.1 (Smartwatch Operating System). This issue affects some unknown processing 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 10/31/2017. The weakness was shared 12/05/2017 by Brandon Azad with Google Project Zero as HT208325 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2017-13833 since 08/30/2017. Attacking locally is a requirement. Required for exploitation is a simple authentication. The technical details are unknown and an exploit is not publicly available. The advisory points out:

An out-of-bounds read was addressed with improved bounds checking.

The vulnerability scanner Nessus provides a plugin with the ID 103598 (macOS < 10.13 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 370677 (Apple macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan Not Installed).

Upgrading to version 4.2 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 (103598) and SecurityFocus (BID 102100†). The entries VDB-99763, VDB-103358, VDB-104406 and VDB-104407 are related to this item. 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: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103598
Nessus Name: macOS < 10.13 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 64745
OpenVAS Name: Apple MacOSX Security Updates(HT208331)-02
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 4.2

Timelineinfo

08/30/2017 🔍
10/03/2017 +34 days 🔍
10/31/2017 +28 days 🔍
11/12/2017 +12 days 🔍
12/05/2017 +23 days 🔍
12/05/2017 +0 days 🔍
12/06/2017 +1 days 🔍
12/11/2017 +5 days 🔍
01/26/2021 +1142 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208325
Researcher: Brandon Azad
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13833 (🔍)
GCVE (CVE): GCVE-0-2017-13833
GCVE (VulDB): GCVE-100-110459
SecurityFocus: 102100 - Apple iOS/WatchOS/tvOS/macOS Multiple Security Vulnerabilities
SecurityTracker: 1039952

See also: 🔍

Entryinfo

Created: 12/11/2017 12:07
Updated: 01/26/2021 16:03
Changes: 12/11/2017 12:07 (77), 12/13/2019 15:53 (7), 01/26/2021 16:03 (3)
Complete: 🔍
Cache ID: 216:9C7:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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