MediaTek MT8673 Imgsys 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 has been found in MediaTek MT2713, MT6879, MT6895, MT6983, MT8188, MT8195, MT8395 and MT8673 and classified as critical. This impacts an unknown function of the component Imgsys. The manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2023-20804. Local access is required to approach this attack. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in MediaTek MT2713, MT6879, MT6895, MT6983, MT8188, MT8195, MT8395 and MT8673 (Chip Software). It has been rated as critical. This issue affects an unknown part of the component Imgsys. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In imgsys, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07199773; Issue ID: ALPS07326384.

The weakness was disclosed 08/07/2023 as ALPS07199773. It is possible to read the advisory at corp.mediatek.com. The identification of this vulnerability is CVE-2023-20804 since 10/28/2022. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS07199773 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: ALPS07199773

Timelineinfo

10/28/2022 🔍
08/07/2023 +283 days 🔍
08/07/2023 +0 days 🔍
10/23/2024 +443 days 🔍

Sourcesinfo

Advisory: ALPS07199773
Status: Confirmed

CVE: CVE-2023-20804 (🔍)
GCVE (CVE): GCVE-0-2023-20804
GCVE (VulDB): GCVE-100-236267

Entryinfo

Created: 08/07/2023 09:01
Updated: 10/23/2024 04:53
Changes: 08/07/2023 09:01 (41), 08/30/2023 13:55 (11), 10/23/2024 04:53 (26)
Complete: 🔍
Cache ID: 216::103

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