MediaTek MT8797 WLAN Driver out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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2.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in MediaTek MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT6895, MT6983, MT6985, MT8167S, MT8168, MT8175, MT8183, MT8185, MT8362A, MT8365, MT8385, MT8667, MT8675, MT8695, MT8696, MT8766, MT8768, MT8786, MT8788, MT8789 and MT8797. Affected by this vulnerability is an unknown functionality of the component WLAN Driver. Such manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2022-21756. An attack has to be approached locally. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT6895, MT6983, MT6985, MT8167S, MT8168, MT8175, MT8183, MT8185, MT8362A, MT8365, MT8385, MT8667, MT8675, MT8695, MT8696, MT8766, MT8768, MT8786, MT8788, MT8789 and MT8797 (Chip Software) and classified as problematic. Affected by this issue is an unknown part of the component WLAN Driver. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality.

The weakness was shared 06/07/2022. The advisory is shared for download at corp.mediatek.com. This vulnerability is handled as CVE-2022-21756 since 11/26/2021. 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: 2.5
VulDB Meta Temp Score: 2.4

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
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
CWE: CWE-125 / 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

11/26/2021 🔍
06/07/2022 +192 days 🔍
06/07/2022 +0 days 🔍
10/08/2022 +123 days 🔍

Sourcesinfo

Advisory: corp.mediatek.com
Status: Confirmed

CVE: CVE-2022-21756 (🔍)
GCVE (CVE): GCVE-0-2022-21756
GCVE (VulDB): GCVE-100-201344

Entryinfo

Created: 06/07/2022 08:12
Updated: 10/08/2022 08:59
Changes: 06/07/2022 08:12 (37), 06/10/2022 07:23 (1), 10/08/2022 08:59 (2)
Complete: 🔍
Cache ID: 216::103

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