VDB-192797 · CVE-2022-20025 · GCVE-0-2022-20025

Mediate MT8167/MT8175/MT8183/MT8362A/MT8365/MT8385 Bluetooth out-of-bounds write

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Mediate MT8167, MT8175, MT8183, MT8362A, MT8365 and MT8385 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Bluetooth. The manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2022-20025. Local access is required to approach this attack. No exploit exists. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Mediate MT8167, MT8175, MT8183, MT8362A, MT8365 and MT8385. It has been rated as critical. This issue affects an unknown part of the component Bluetooth. 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 02/10/2022. The advisory is shared at corp.mediatek.com. The identification of this vulnerability is CVE-2022-20025 since 10/12/2021. Neither technical details nor an exploit are publicly available.

Applying a patch is able to eliminate this problem.

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Productinfo

Vendor

Mediate

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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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 🔍
02/14/2022 +4 days 🔍

Sourcesinfo

Advisory: corp.mediatek.com
Status: Confirmed

CVE: CVE-2022-20025 (🔍)
GCVE (CVE): GCVE-0-2022-20025
GCVE (VulDB): GCVE-100-192797

Entryinfo

Created: 02/10/2022 13:51
Updated: 02/14/2022 09:48
Changes: 02/10/2022 13:51 (37), 02/14/2022 09:45 (1), 02/14/2022 09:48 (18)
Complete: 🔍
Cache ID: 216::103