Kernel code execution via AVEVideoEncoder bounds failure
Published May 26, 2022 · Updated Aug 3, 2024
An out-of-bounds write in AVEVideoEncoder in Apple tvOS before 15.5 allows attackers to execute arbitrary code with kernel privileges. AVEVideoEncoder writes beyond a buffer boundary because it fails to enforce bounds correctly; Apple has not disclosed the affected routine or input. A locally running application and user interaction are required, and successful exploitation gains kernel-level execution.
Summary
What happened
An out-of-bounds write in AVEVideoEncoder in Apple tvOS before 15.5 allows attackers to execute arbitrary code with kernel privileges. AVEVideoEncoder writes beyond a buffer boundary because it fails to enforce bounds correctly; Apple has not disclosed the affected routine or input. A locally running application and user interaction are required, and successful exploitation gains kernel-level execution.
The record
- CVE
- CVE-2022-26739
- Published
- May 26, 2022
- Updated
- Aug 3, 2024
- Vendor
- Apple
- Product
- tvOS
- Classifications
- CWE-787, T1068
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- May 26, 2022CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=unspecified <12.4
- Affected versionversion=unspecified <15.5
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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