MediaTek MT8796 keyInstall out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in MediaTek MT6761, MT6765, MT6768, MT6833, MT6853, MT6855, MT6893, MT6895, MT6983, MT8321, MT8385, MT8755, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8792, MT8795T and MT8796. Affected by this issue is some unknown functionality of the component keyInstall. This manipulation causes out-of-bounds write. This vulnerability appears as CVE-2023-32873. The attack requires local access. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in MediaTek MT6761, MT6765, MT6768, MT6833, MT6853, MT6855, MT6893, MT6895, MT6983, MT8321, MT8385, MT8755, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8792, MT8795T and MT8796. Affected by this vulnerability is some unknown processing of the component keyInstall. 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. The summary by CVE is:

In keyInstall, 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: ALPS08583919; Issue ID: ALPS08304227.

It is possible to read the advisory at corp.mediatek.com. This vulnerability is known as CVE-2023-32873 since 05/16/2023. The exploitation appears to be easy. Attacking locally is a requirement. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS08583919 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: 6.7
VulDB Meta Temp Score: 6.6

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

NVD Base Score: 6.7
NVD 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: ALPS08583919

Timelineinfo

05/16/2023 🔍
05/06/2024 +356 days 🔍
05/06/2024 +0 days 🔍
02/04/2025 +274 days 🔍

Sourcesinfo

Advisory: ALPS08583919
Status: Confirmed

CVE: CVE-2023-32873 (🔍)
GCVE (CVE): GCVE-0-2023-32873
GCVE (VulDB): GCVE-100-263143

Entryinfo

Created: 05/06/2024 06:43
Updated: 02/04/2025 04:15
Changes: 05/06/2024 06:43 (55), 02/04/2025 04:15 (12)
Complete: 🔍
Cache ID: 216::103

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