Apple watchOS up to 6.2.4 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 6.2.4. Affected is an unknown function of the component Kernel. The manipulation results in memory corruption. This vulnerability is reported as CVE-2020-9821. The attack requires a local approach. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple watchOS up to 6.2.4 (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. CVE summarizes:

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. A malicious application may be able to execute arbitrary code with kernel privileges.

The weakness was disclosed 05/18/2020 by Xinru Chi and Tielei Wang with Pangu Lab as HT211175 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is traded as CVE-2020-9821. Local access is required to approach this attack. A authentication is required for exploitation. The technical details are unknown and an exploit is not available. The advisory points out:

A memory corruption issue was addressed with improved state management.

Upgrading to version 6.2.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-155673, VDB-155674, VDB-155675 and VDB-155676 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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 6.2.5

Timelineinfo

03/02/2020 🔍
05/18/2020 +77 days 🔍
05/18/2020 +0 days 🔍
05/29/2020 +11 days 🔍
10/19/2020 +143 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211175
Researcher: Xinru Chi, Tielei Wang
Organization: Pangu Lab
Status: Confirmed

CVE: CVE-2020-9821 (🔍)
GCVE (CVE): GCVE-0-2020-9821
GCVE (VulDB): GCVE-100-155682
See also: 🔍

Entryinfo

Created: 05/30/2020 00:13
Updated: 10/19/2020 16:09
Changes: 05/30/2020 00:13 (47), 05/30/2020 00:18 (17), 10/19/2020 16:09 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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