MediaTek MT8781 imgsys_cmdq out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in MediaTek MT2713, MT6895, MT6897, MT6983, MT8188, MT8195, MT8395 and MT8781. Impacted is the function imgsys_cmdq. Executing a manipulation can lead to out-of-bounds write. This vulnerability is tracked as CVE-2023-20842. The attack is restricted to local execution. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in MediaTek MT2713, MT6895, MT6897, MT6983, MT8188, MT8195, MT8395 and MT8781 (Chip Software). This vulnerability affects the function imgsys_cmdq. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In imgsys_cmdq, there is a possible out of bounds write due to a missing valid range checking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS07354259; Issue ID: ALPS07340477.

The weakness was disclosed 09/04/2023 as ALPS07354259. The advisory is shared for download at corp.mediatek.com. This vulnerability was named CVE-2023-20842 since 10/28/2022. There are known technical details, but no exploit is available.

Applying the patch ALPS07354259 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: 5.7
VulDB Meta Temp Score: 5.7

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

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

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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: Partially

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: ALPS07354259

Timelineinfo

10/28/2022 🔍
09/04/2023 +311 days 🔍
09/04/2023 +0 days 🔍
10/22/2024 +414 days 🔍

Sourcesinfo

Advisory: ALPS07354259
Status: Confirmed

CVE: CVE-2023-20842 (🔍)
GCVE (CVE): GCVE-0-2023-20842
GCVE (VulDB): GCVE-100-238672

Entryinfo

Created: 09/04/2023 07:20
Updated: 10/22/2024 06:56
Changes: 09/04/2023 07:20 (41), 09/30/2023 08:31 (11), 10/22/2024 06:56 (27)
Complete: 🔍
Cache ID: 216::103

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