A vulnerability was found in Apple macOS up to 12.5.1 (Operating System). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Kernel. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 09/12/2022 as HT213444 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2022-32917. Neither technical details nor an exploit are publicly available. The advisory points out:

An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

The CISA Known Exploited Vulnerabilities Catalog lists this issue since 09/14/2022 with a due date of 10/05/2022:

Apply updates per vendor instructions.

Upgrading to version 12.6 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.

Productinfo

Type

• Operating System

Vendor

• Apple

Name

• macOS

Version

• 12.5.0
• 12.5.1

License

• commercial

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