MediaTek MT8797 vcu memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in MediaTek MT6761, MT6762, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8185, MT8786, MT8789, MT8791 and MT8797. It has been classified as critical. This impacts an unknown function of the component vcu. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2023-20618. The attack can only be performed from a local environment. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in MediaTek MT6761, MT6762, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8185, MT8786, MT8789, MT8791 and MT8797 (Chip Software). This issue affects an unknown code block of the component vcu. 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 summary by CVE is:

In vcu, there is a possible memory corruption due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07519184; Issue ID: ALPS07519184.

The weakness was published 02/06/2023 as ALPS07519184. It is possible to read the advisory at corp.mediatek.com. The identification of this vulnerability is CVE-2023-20618 since 10/28/2022. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS07519184 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-24797). Be aware that VulDB is the high quality 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: 🔍

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: ALPS07519184

Timelineinfo

10/28/2022 🔍
02/06/2023 +101 days 🔍
02/06/2023 +0 days 🔍
08/27/2025 +933 days 🔍

Sourcesinfo

Advisory: ALPS07519184
Status: Confirmed

CVE: CVE-2023-20618 (🔍)
GCVE (CVE): GCVE-0-2023-20618
GCVE (VulDB): GCVE-100-220295
EUVD: 🔍

Entryinfo

Created: 02/06/2023 22:02
Updated: 08/27/2025 07:18
Changes: 02/06/2023 22:02 (41), 03/05/2023 16:31 (11), 08/27/2025 07:18 (16)
Complete: 🔍
Cache ID: 216::103

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