MediaTek MT8797 Preloader out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in MediaTek MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6779, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT6895, MT6983, MT6985, MT8185, MT8321, MT8385, MT8667, MT8675, MT8695, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791 and MT8797. It has been declared as critical. Affected by this issue is some unknown functionality of the component Preloader. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2022-20074. The attack can be executed directly on the physical device. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6779, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT6895, MT6983, MT6985, MT8185, MT8321, MT8385, MT8667, MT8675, MT8695, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791 and MT8797. It has been rated as problematic. Affected by this issue is some unknown processing of the component Preloader. 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 published 04/12/2022. The advisory is shared for download at corp.mediatek.com. This vulnerability is handled as CVE-2022-20074 since 10/12/2021. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.1
VulDB Temp Score: 3.9
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: Yes
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 🔍
04/12/2022 +182 days 🔍
04/12/2022 +0 days 🔍
04/17/2022 +5 days 🔍

Sourcesinfo

Advisory: corp.mediatek.com
Status: Confirmed

CVE: CVE-2022-20074 (🔍)
GCVE (CVE): GCVE-0-2022-20074
GCVE (VulDB): GCVE-100-197000

Entryinfo

Created: 04/12/2022 15:17
Updated: 04/17/2022 08:55
Changes: 04/12/2022 15:17 (37), 04/17/2022 08:55 (1)
Complete: 🔍
Cache ID: 216::103

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