MediaTek MT8791 mpu memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in MediaTek MT6781, MT6789, MT6833, MT6853, MT6873, MT6877, MT8781 and MT8791. Impacted is an unknown function of the component mpu. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2022-32620. The attack must be carried out locally. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in MediaTek MT6781, MT6789, MT6833, MT6853, MT6873, MT6877, MT8781 and MT8791 (Chip Software). Affected by this issue is an unknown part of the component mpu. 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. CVE summarizes:

In mpu, there is a possible memory corruption due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07541753; Issue ID: ALPS07541753.

The weakness was presented 12/06/2022 as ALPS07541753. The advisory is shared for download at corp.mediatek.com. This vulnerability is handled as CVE-2022-32620 since 06/09/2022. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS07541753 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-35686). 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: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
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: 🔍

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: 🔍

Patch: ALPS07541753

Timelineinfo

06/09/2022 🔍
12/06/2022 +180 days 🔍
12/06/2022 +0 days 🔍
05/31/2026 +1271 days 🔍

Sourcesinfo

Advisory: ALPS07541753
Status: Confirmed

CVE: CVE-2022-32620 (🔍)
GCVE (CVE): GCVE-0-2022-32620
GCVE (VulDB): GCVE-100-214868
EUVD: 🔍

Entryinfo

Created: 12/06/2022 09:43
Updated: 05/31/2026 01:55
Changes: 12/06/2022 09:43 (41), 12/26/2022 15:02 (10), 05/31/2026 01:55 (17)
Complete: 🔍
Cache ID: 216::103

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