MediaTek MT6765/MT6768/MT8768 m4u out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in MediaTek MT6765, MT6768 and MT8768 and classified as critical. This impacts an unknown function of the component m4u. The manipulation results in out-of-bounds write. This vulnerability was named CVE-2023-20722. The attack needs to be approached locally. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6765, MT6768 and MT8768 (Chip Software) (the affected version is unknown). It has been classified as critical. Affected is an unknown code of the component m4u. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In m4u, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07771518; Issue ID: ALPS07680084.

The weakness was presented 05/16/2023 as ALPS07771518. The advisory is shared for download at corp.mediatek.com. This vulnerability is traded as CVE-2023-20722 since 10/28/2022. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS07771518 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: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 6.7
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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: 🔍

Patch: ALPS07771518

Timelineinfo

10/28/2022 🔍
05/16/2023 +200 days 🔍
05/16/2023 +0 days 🔍
01/25/2025 +620 days 🔍

Sourcesinfo

Advisory: ALPS07771518
Status: Confirmed

CVE: CVE-2023-20722 (🔍)
GCVE (CVE): GCVE-0-2023-20722
GCVE (VulDB): GCVE-100-229128

Entryinfo

Created: 05/16/2023 08:17
Updated: 01/25/2025 03:17
Changes: 05/16/2023 08:17 (41), 06/09/2023 12:30 (11), 01/25/2025 03:17 (26)
Complete: 🔍
Cache ID: 216::103

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