Apple watchOS up to 9.1 IOMobileFrameBuffer out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple watchOS up to 9.1 and classified as critical. This vulnerability affects unknown code of the component IOMobileFrameBuffer. Such manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2022-46690. Local access is required to approach this attack. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple watchOS up to 9.1 (Smartwatch Operating System). It has been rated as critical. Affected by this issue is an unknown code of the component IOMobileFrameBuffer. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 12/13/2022 by John Aakerblom as HT213536 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2022-46690. The technical details are unknown and an exploit is not available. The advisory points out:

An app may be able to execute arbitrary code with kernel privileges

Upgrading to version 9.2 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 write issue was addressed with improved input validation.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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 9.2

Timelineinfo

12/07/2022 🔍
12/13/2022 +6 days 🔍
12/13/2022 +0 days 🔍
12/14/2022 +1 days 🔍
04/22/2025 +860 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213536
Researcher: John Aakerblom
Status: Confirmed

CVE: CVE-2022-46690 (🔍)
GCVE (CVE): GCVE-0-2022-46690
GCVE (VulDB): GCVE-100-215702

Entryinfo

Created: 12/14/2022 09:37
Updated: 04/22/2025 04:12
Changes: 12/14/2022 09:37 (15), 12/14/2022 09:38 (4), 12/14/2022 09:41 (27), 01/09/2023 15:42 (2), 01/09/2023 15:48 (10), 04/22/2025 04:12 (16)
Complete: 🔍
Cache ID: 216::103

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