Apple watchOS up to 8.4.2 WebKit buffer overflow

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6.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Apple watchOS up to 8.4.2. It has been classified as critical. This vulnerability affects unknown code of the component WebKit. The manipulation leads to buffer overflow. This vulnerability is documented as CVE-2022-22629. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple watchOS up to 8.4.2 (Smartwatch Operating System). It has been rated as critical. This issue affects an unknown code block of the component WebKit. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was released 03/14/2022 by Jeonghoon Shin as HT213193 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2022-22629. 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:

Processing maliciously crafted web content may lead to arbitrary code execution

Upgrading to version 8.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A buffer overflow issue was addressed with improved memory handling.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2022-2044). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

Amazon Linux 2
Red Hat Enterprise Linux
Oracle Linux
Red Hat OpenShift
Gentoo Linux
RESF Rocky Linux

Productinfo

Type

Smartwatch Operating System

Vendor

Apple

Name

watchOS

Version

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: watchOS 8.5

Timelineinfo

01/05/2022 🔍
03/14/2022 +68 days 🔍
03/14/2022 +0 days 🔍
03/15/2022 +1 days 🔍
11/30/2025 +1356 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213193
Researcher: Jeonghoon Shin
Status: Confirmed

CVE: CVE-2022-22629 (🔍)
GCVE (CVE): GCVE-0-2022-22629
GCVE (VulDB): GCVE-100-195011
CERT Bund: WID-SEC-2022-2044 - Red Hat Enterprise Linux: Mehrere Schwachstellen

Entryinfo

Created: 03/15/2022 09:29
Updated: 11/30/2025 06:15
Changes: 03/15/2022 09:29 (13), 03/15/2022 09:30 (6), 03/15/2022 09:33 (27), 03/17/2022 11:36 (1), 11/30/2025 06:15 (21)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.