Apple tvOS up to 12.1.2 Power Management input validation

Summaryinfo

A vulnerability described as critical has been identified in Apple tvOS up to 12.1.2. Affected by this issue is some unknown functionality of the component Power Management. Executing a manipulation can lead to input validation. This vulnerability appears as CVE-2019-8549. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple tvOS up to 12.1.2 (Digital Media Player). It has been declared as very critical. This vulnerability affects an unknown code block of the component Power Management. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple input validation issues existed in MIG generated code. These issues were addressed with improved validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A malicious application may be able to execute arbitrary code with system privileges.

The bug was discovered 03/25/2019. The weakness was presented 03/25/2019 by Mohamed Ghannam as HT209601 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2019-8549 since 02/18/2019. The attack can be initiated remotely. No form of authentication is required for a successful 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 $0-$5k at the moment (estimation calculated on 06/10/2024). The advisory points out:

Multiple input validation issues existed in MIG generated code. These issues were addressed with improved validation.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371712 (Apple macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra Not Installed (APPLE-SA-2019-3-25-2)).

Upgrading to version 12.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-132255, VDB-132284, VDB-132285 and VDB-132286 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Digital Media Player

Vendor

• Apple

Name

• tvOS

Version

• 12.1.0
• 12.1.1
• 12.1.2

License

• commercial

Website

• Vendor: https://www.apple.com/

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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