A vulnerability was found in Apple macOS up to 11.2.3 (Operating System). It has been declared as critical. This vulnerability affects an unknown code block of the component libxpc. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 04/26/2021 by James Hutchins as HT212325 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2021-30652. There are neither technical details nor an exploit publicly available. The advisory points out:

A malicious application may be able to gain root privileges

Upgrading to version 11.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A race condition was addressed with additional validation.

The entries VDB-174022, VDB-174023, VDB-174024 and VDB-174025 are related to this item.

Productinfo

Type

• Operating System

Vendor

• Apple

Name

• macOS

Version

• 11.2.0
• 11.2.1
• 11.2.2
• 11.2.3

License

• commercial

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CPE 2.2info

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