Apple watchOS up to 6.1.1 Kernel type confusion

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple watchOS up to 6.1.1. It has been classified as critical. This affects an unknown part of the component Kernel. Performing a manipulation results in type confusion. This vulnerability was named CVE-2020-3853. The attack needs to be approached locally. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple watchOS up to 6.1.1 (Smartwatch Operating System). It has been classified as critical. This affects an unknown code block of the component Kernel. The manipulation with an unknown input leads to a type confusion vulnerability. CWE is classifying the issue as CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 01/28/2020 by Brandon Azad with Google Project Zero as HT210921 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2020-3853. It is possible to initiate the attack remotely. No form of authentication is needed for 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 type confusion issue was addressed with improved memory handling.

Upgrading to version 6.1.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-150577, VDB-150591, VDB-150592 and VDB-150593 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.6
VulDB Temp Score: 8.2
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: Type confusion
CWE: CWE-843
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: watchOS 6.1.2

Timelineinfo

12/18/2019 🔍
01/28/2020 +41 days 🔍
01/28/2020 +0 days 🔍
02/28/2020 +31 days 🔍
05/12/2025 +1900 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210921
Researcher: Brandon Azad
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2020-3853 (🔍)
GCVE (CVE): GCVE-0-2020-3853
GCVE (VulDB): GCVE-100-150603
See also: 🔍

Entryinfo

Created: 02/28/2020 13:37
Updated: 05/12/2025 13:29
Changes: 02/28/2020 13:37 (47), 02/28/2020 13:42 (16), 04/06/2024 14:17 (19), 05/12/2025 13:29 (4)
Complete: 🔍
Cache ID: 216::103

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