Apple tvOS up to 15.4.1 AVEVideoEncoder out-of-bounds write

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

Summaryinfo

A vulnerability classified as critical was found in Apple tvOS up to 15.4.1. Affected by this issue is some unknown functionality of the component AVEVideoEncoder. Such manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2022-26738. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple tvOS up to 15.4.1 (Digital Media Player) and classified as critical. Affected by this issue is an unknown function of the component AVEVideoEncoder. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 05/16/2022 as HT213254 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2022-26738. The technical details are unknown and an exploit is not 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:

An out-of-bounds write issue was addressed with improved bounds checking.

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Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
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
Status: Confirmed

CVE: CVE-2022-26738 (🔍)
GCVE (CVE): GCVE-0-2022-26738
GCVE (VulDB): GCVE-100-200102

Entryinfo

Created: 05/18/2022 06:54
Updated: 05/28/2022 09:41
Changes: 05/18/2022 06:54 (14), 05/18/2022 06:55 (4), 05/18/2022 06:58 (27), 05/24/2022 12:35 (1), 05/28/2022 09:41 (1)
Complete: 🔍
Cache ID: 216::103

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