A vulnerability was found in Apple watchOS up to 9.4 (Smartwatch Operating System). It has been classified as critical. This affects an unknown functionality of the component WebKit. 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 disclosed 05/18/2023 by Clément Lecigne as HT213764 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2023-32409. It demands that the victim is doing some kind of user interaction. Technical details are unknown but an exploit is available. The advisory points out:

A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

It is declared as highly functional. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 05/22/2023 with a due date of 06/12/2023:

Apply updates per vendor instructions.

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:

The issue was addressed with improved bounds checks.

The entries VDB-229581, VDB-229582, VDB-229583 and VDB-229584 are pretty similar.

Productinfo

Type

• Smartwatch Operating System

Vendor

• Apple

Name

• watchOS

Version

• 9.0
• 9.1
• 9.2
• 9.3
• 9.4

License

• commercial

CPE 2.3info

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CPE 2.2info

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