MediaTek MT8797 vcu Driver use after free

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in MediaTek MT6768, MT6769, MT6779, MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6885, MT6890, MT6891, MT6893, MT8167, MT8168, MT8173, MT8175, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791 and MT8797. Affected by this vulnerability is an unknown functionality of the component vcu Driver. The manipulation results in use after free. This vulnerability is known as CVE-2022-20035. Attacking locally is a requirement. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in MediaTek MT6768, MT6769, MT6779, MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6885, MT6890, MT6891, MT6893, MT8167, MT8168, MT8173, MT8175, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791 and MT8797. Affected is an unknown part of the component vcu Driver. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 02/10/2022. The advisory is shared for download at corp.mediatek.com. This vulnerability is traded as CVE-2022-20035 since 10/12/2021. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/12/2021 🔍
02/10/2022 +121 days 🔍
02/10/2022 +0 days 🔍
02/13/2022 +3 days 🔍

Sourcesinfo

Advisory: corp.mediatek.com
Status: Confirmed

CVE: CVE-2022-20035 (🔍)
GCVE (CVE): GCVE-0-2022-20035
GCVE (VulDB): GCVE-100-192720

Entryinfo

Created: 02/10/2022 11:38
Updated: 02/13/2022 14:58
Changes: 02/10/2022 11:38 (37), 02/13/2022 14:54 (1), 02/13/2022 14:58 (18)
Complete: 🔍
Cache ID: 216::103

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