MediaTek MT8797 vcu memory corruption

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

Summaryinfo

A vulnerability marked as critical has been reported in MediaTek MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8167, MT8168, MT8173, MT8185, MT8321, MT8365, MT8395, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T and MT8797. Impacted is an unknown function of the component vcu. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2023-20740. The attack must be initiated from a local position. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8167, MT8168, MT8173, MT8185, MT8321, MT8365, MT8395, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T and MT8797 (Chip Software). It has been classified as critical. This affects an unknown code 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. The summary by CVE is:

In vcu, 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: ALPS07559819; Issue ID: ALPS07559840.

The weakness was shared 06/06/2023 as ALPS07559819. The advisory is shared at corp.mediatek.com. This vulnerability is uniquely identified as CVE-2023-20740 since 10/28/2022. Neither technical details nor an exploit are publicly available.

Applying the patch ALPS07559819 is able to eliminate this problem.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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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: 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: ALPS07559819

Timelineinfo

10/28/2022 🔍
06/06/2023 +221 days 🔍
06/06/2023 +0 days 🔍
01/08/2025 +581 days 🔍

Sourcesinfo

Advisory: ALPS07559819
Status: Confirmed

CVE: CVE-2023-20740 (🔍)
GCVE (CVE): GCVE-0-2023-20740
GCVE (VulDB): GCVE-100-230829

Entryinfo

Created: 06/06/2023 16:06
Updated: 01/08/2025 00:09
Changes: 06/06/2023 16:06 (41), 01/08/2025 00:09 (35)
Complete: 🔍
Cache ID: 216::103

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