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 declared as critical. Affected is an unknown function of the component vcu. The manipulation results in memory corruption. This vulnerability is identified as CVE-2023-20619. The attack is only possible with local access. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, 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 (Chip Software). Affected is some unknown processing of the component vcu. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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: ALPS07519159; Issue ID: ALPS07519159.

The weakness was released 02/06/2023 as ALPS07519159. The advisory is shared for download at corp.mediatek.com. This vulnerability is traded as CVE-2023-20619 since 10/28/2022. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS07519159 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-24798). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: ALPS07519159

Timelineinfo

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

Sourcesinfo

Advisory: ALPS07519159
Status: Confirmed

CVE: CVE-2023-20619 (🔍)
GCVE (CVE): GCVE-0-2023-20619
GCVE (VulDB): GCVE-100-220296
EUVD: 🔍

Entryinfo

Created: 02/06/2023 22:03
Updated: 08/27/2025 07:18
Changes: 02/06/2023 22:03 (41), 03/26/2025 22:28 (26), 08/27/2025 07:18 (1)
Complete: 🔍
Cache ID: 216::103

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