MediaTek MT8797 apusys out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in MediaTek MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8195, MT8791 and MT8797. This impacts an unknown function of the component apusys. Executing a manipulation can lead to out-of-bounds write. This vulnerability is tracked as CVE-2021-0896. The attack is restricted to local execution. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8195, MT8791 and MT8797. It has been declared as critical. This vulnerability affects an unknown function of the component apusys. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 12/17/2021. The advisory is shared for download at corp.mediatek.com. This vulnerability was named CVE-2021-0896 since 11/06/2020. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2020 🔍
12/17/2021 +406 days 🔍
12/17/2021 +0 days 🔍
12/24/2021 +7 days 🔍

Sourcesinfo

Advisory: corp.mediatek.com
Status: Confirmed

CVE: CVE-2021-0896 (🔍)
GCVE (CVE): GCVE-0-2021-0896
GCVE (VulDB): GCVE-100-188692

Entryinfo

Created: 12/17/2021 22:41
Updated: 12/24/2021 11:44
Changes: 12/17/2021 22:41 (37), 12/24/2021 11:36 (1), 12/24/2021 11:44 (18)
Complete: 🔍
Cache ID: 216::103

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