MediaTek MT8797 edma Driver memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in MediaTek MT6853, MT6853T, MT6873, MT6877, MT6883, MT6885, MT6889, MT6893, MT8195, MT8791 and MT8797 and classified as critical. The impacted element is an unknown function of the component edma Driver. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2021-0656. An attack has to be approached locally. There is no exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6853, MT6853T, MT6873, MT6877, MT6883, MT6885, MT6889, MT6893, MT8195, MT8791 and MT8797. It has been rated as critical. Affected by this issue is an unknown code of the component edma Driver. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was shared 11/19/2021. The advisory is available at corp.mediatek.com. This vulnerability is handled as CVE-2021-0656 since 11/06/2020. The technical details are unknown and an exploit is not 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: 6.0
VulDB Meta Temp Score: 5.9

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

NVD Base Score: 6.7
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: Memory corruption
CWE: 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

11/06/2020 🔍
11/19/2021 +378 days 🔍
11/19/2021 +0 days 🔍
11/22/2021 +3 days 🔍

Sourcesinfo

Advisory: corp.mediatek.com
Status: Confirmed

CVE: CVE-2021-0656 (🔍)
GCVE (CVE): GCVE-0-2021-0656
GCVE (VulDB): GCVE-100-186974

Entryinfo

Created: 11/19/2021 09:23
Updated: 11/22/2021 14:28
Changes: 11/19/2021 09:23 (37), 11/22/2021 14:24 (1), 11/22/2021 14:28 (18)
Complete: 🔍
Cache ID: 216::103

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