Apple watchOS up to 9.4 IOSurfaceAccelerator out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Apple watchOS up to 9.4. This impacts an unknown function of the component IOSurfaceAccelerator. Such manipulation leads to out-of-bounds. This vulnerability is listed as CVE-2023-32420. The attack must be carried out locally. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple watchOS up to 9.4 (Smartwatch Operating System) and classified as problematic. Affected by this issue is an unknown part of the component IOSurfaceAccelerator. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was presented 05/18/2023 by Linus Henze as HT213764 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2023-32420. There are neither technical details nor an exploit publicly available. The advisory points out:

An app may be able to cause unexpected system termination or read kernel memory

Upgrading to version 9.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

An out-of-bounds read was addressed with improved input validation.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-36664). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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 9.5

Timelineinfo

05/08/2023 🔍
05/18/2023 +10 days 🔍
05/18/2023 +0 days 🔍
05/20/2023 +2 days 🔍
01/03/2026 +958 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213764
Researcher: Linus Henze
Status: Confirmed

CVE: CVE-2023-32420 (🔍)
GCVE (CVE): GCVE-0-2023-32420
GCVE (VulDB): GCVE-100-229568
EUVD: 🔍

Entryinfo

Created: 05/20/2023 08:29
Updated: 01/03/2026 00:40
Changes: 05/20/2023 08:29 (19), 05/20/2023 08:32 (27), 06/15/2023 09:31 (1), 01/03/2026 00:40 (16)
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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