Apple watchOS up to 6.1.1 Kernel memory corruption

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

Summaryinfo

A vulnerability, which was classified as critical, was found in Apple watchOS up to 6.1.1. Affected is an unknown function of the component Kernel. The manipulation results in memory corruption. This vulnerability is known as CVE-2020-3842. Attacking locally is a requirement. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple watchOS up to 6.1.1 (Smartwatch Operating System). Affected is some unknown functionality of the component Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 01/28/2020 with Google Project Zero as HT210921 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2020-3842. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

A memory corruption 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.

Similar entries are available at VDB-150579, VDB-150591, VDB-150592 and VDB-150593. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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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: 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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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
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2020-3842 (🔍)
GCVE (CVE): GCVE-0-2020-3842
GCVE (VulDB): GCVE-100-150600
See also: 🔍

Entryinfo

Created: 02/28/2020 13:36
Updated: 05/12/2025 13:29
Changes: 02/28/2020 13:36 (46), 02/28/2020 13:41 (16), 04/06/2024 14:04 (19), 05/12/2025 13:29 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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