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 was found in MediaTek MT2713, MT6895, MT6897, MT6983, MT8188, MT8195, MT8395 and MT8781 and classified as critical. This impacts the function imgsys_cmdq. Such manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2023-20850. The attack needs to be performed locally. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in MediaTek MT2713, MT6895, MT6897, MT6983, MT8188, MT8195, MT8395 and MT8781 (Chip Software) and classified as critical. Affected by this issue is the function imgsys_cmdq. 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. 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: ALPS07340433; Issue ID: ALPS07340381.

The weakness was released 09/04/2023 as ALPS07340433. The advisory is shared for download at corp.mediatek.com. This vulnerability is handled as CVE-2023-20850 since 10/28/2022. There are known technical details, but no exploit is available.

Applying the patch ALPS07340433 is able to eliminate this problem.

Once again VulDB remains the best 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: 5.7
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: ALPS07340433

Timelineinfo

10/28/2022 🔍
09/04/2023 +311 days 🔍
09/04/2023 +0 days 🔍
10/01/2024 +393 days 🔍

Sourcesinfo

Advisory: ALPS07340433
Status: Confirmed

CVE: CVE-2023-20850 (🔍)
GCVE (CVE): GCVE-0-2023-20850
GCVE (VulDB): GCVE-100-238676

Entryinfo

Created: 09/04/2023 07:22
Updated: 10/01/2024 22:57
Changes: 09/04/2023 07:22 (41), 09/30/2023 08:43 (11), 10/01/2024 22:57 (27)
Complete: 🔍
Cache ID: 216::103

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