MediaTek MT8789 Vdec out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in MediaTek MT6765, MT6768, MT6779, MT6785, MT8385, MT8666, MT8667, MT8766, MT8768, MT8781, MT8788 and MT8789. This issue affects some unknown processing of the component Vdec. Performing a manipulation results in out-of-bounds write. This vulnerability is identified as CVE-2024-20087. The attack is only possible with local access. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical has been found in MediaTek MT6765, MT6768, MT6779, MT6785, MT8385, MT8666, MT8667, MT8766, MT8768, MT8781, MT8788 and MT8789. This affects an unknown functionality of the component Vdec. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In vdec, 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: ALPS08932916; Issue ID: MSV-1550.

It is possible to read the advisory at corp.mediatek.com. This vulnerability is uniquely identified as CVE-2024-20087 since 11/02/2023. The exploitability is told to be easy. Attacking locally is a requirement. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS08932916 is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector (MediaTek): 🔍

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: ALPS08932916

Timelineinfo

11/02/2023 🔍
09/02/2024 +304 days 🔍
09/02/2024 +0 days 🔍
09/05/2024 +3 days 🔍

Sourcesinfo

Advisory: MSV-1550
Status: Confirmed

CVE: CVE-2024-20087 (🔍)
GCVE (CVE): GCVE-0-2024-20087
GCVE (VulDB): GCVE-100-276291

Entryinfo

Created: 09/02/2024 06:55
Updated: 09/05/2024 17:08
Changes: 09/02/2024 06:55 (56), 09/02/2024 12:31 (1), 09/04/2024 08:43 (11), 09/05/2024 17:08 (11)
Complete: 🔍
Cache ID: 216::103

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