Apple tvOS up to 15.4.1 Kernel use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

A vulnerability was found in Apple tvOS up to 15.4.1 (Digital Media Player) and classified as critical. This issue affects some unknown functionality 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.

The weakness was released 05/16/2022 by Ned Williamson as HT213254 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2022-26757. The technical details are unknown and an exploit is not publicly available. The advisory points out:

An application may be able to execute arbitrary code with kernel privileges

Upgrading to version 15.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

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

Productinfo

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Vendor

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: tvOS 15.5

Timelineinfo

03/08/2022 🔍
05/16/2022 +68 days 🔍
05/16/2022 +0 days 🔍
05/18/2022 +2 days 🔍
05/28/2022 +10 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213254
Researcher: Ned Williamson
Status: Confirmed

CVE: CVE-2022-26757 (🔍)

Entryinfo

Created: 05/18/2022 06:58
Updated: 05/28/2022 10:04
Changes: 05/18/2022 06:58 (18), 05/18/2022 06:59 (1), 05/18/2022 07:02 (27), 05/24/2022 13:36 (1), 05/28/2022 10:04 (1)
Complete: 🔍

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