Memory Corruption in MediaTek ccci Driver

Executive Summary

This vulnerability is in MediaTek's ccci component where a missing bounds check can lead to out-of-bounds write and read operations. This may cause local information disclosure, memory corruption, crashes, or privilege escalation if an attacker already has System privilege. User interaction is required for exploitation.

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Detection Guidance

Since this vulnerability is specific to the MediaTek ccci component and requires local System privilege for exploitation, detection would typically involve checking for unusual activity or crashes in the ccci module. However, no specific detection commands are provided in the available context.

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Impact Analysis

If exploited, this vulnerability could allow an attacker with System privilege to escalate privileges further, access sensitive local information, corrupt memory, or crash the system. However, user interaction is needed for exploitation, and the attacker must already have System privilege.

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Compliance Impact

This vulnerability could lead to local information disclosure, memory corruption, crashes, or privilege escalation if exploited by a malicious actor with System privilege. Such impacts may compromise data confidentiality and integrity, which are critical for compliance with standards like GDPR and HIPAA.

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Mitigation Strategies

Apply the provided patches immediately: ALPS11428950 for MT6880/MT6890, ALPS10563453 for MT6980D/MT6990/MT6986/MT6986D/MT6813/MT6988, or AUTO00858766 for MT2735/MT2737. Ensure the System privilege is not granted to untrusted actors to prevent exploitation.

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