MediaTek MT8798 Venc out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in MediaTek MT6765, MT6768, MT6779, MT6785, MT8321, MT8385, MT8666, MT8667, MT8755, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8792, MT8795T, MT8796, MT8797 and MT8798. The affected element is an unknown function of the component Venc. The manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2024-20083. The attack needs to be performed locally. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in MediaTek MT6765, MT6768, MT6779, MT6785, MT8321, MT8385, MT8666, MT8667, MT8755, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8792, MT8795T, MT8796, MT8797 and MT8798. This issue affects some unknown processing of the component Venc. 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 venc, 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: ALPS08810810 / ALPS08805789; Issue ID: MSV-1502.

It is possible to read the advisory at corp.mediatek.com. The identification of this vulnerability is CVE-2024-20083 since 11/02/2023. The exploitation is known 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 ALPS08810810 is able to eliminate this problem.

Be aware that VulDB is the high quality 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: 7.0
VulDB Meta Temp Score: 6.9

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

CNA Base Score: 9.8
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: Yes

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: ALPS08810810

Timelineinfo

11/02/2023 🔍
08/14/2024 +285 days 🔍
08/14/2024 +0 days 🔍
08/22/2024 +7 days 🔍

Sourcesinfo

Advisory: MSV-1502
Status: Confirmed

CVE: CVE-2024-20083 (🔍)
GCVE (CVE): GCVE-0-2024-20083
GCVE (VulDB): GCVE-100-274511

Entryinfo

Created: 08/14/2024 07:20
Updated: 08/22/2024 01:54
Changes: 08/14/2024 07:20 (56), 08/15/2024 08:58 (1), 08/22/2024 01:54 (11)
Complete: 🔍
Cache ID: 216::103

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