A vulnerability, which was classified as critical, has been found in Apple iOS up to 12.2 (Smartphone Operating System). Affected by this issue is an unknown code of the component Kernel. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to execute arbitrary code with system privileges.

The weakness was shared 05/13/2019 with Google Project Zero as HT210118 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2019-8605 since 02/18/2019. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 06/11/2020). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A use after free issue was addressed with improved memory management.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371785 (Apple macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra Not Installed (HT210119)). This issue was added on 06/27/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 07/18/2022:

Apply updates per vendor instructions.

Upgrading to version 12.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries 134840, 134841, 134842 and 134843 are related to this item.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS

Version

• 12.0
• 12.1
• 12.2

License

• commercial

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