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In onCreate of CalendarDebugActivity.java, there is a possible way to export calendar data to the sdcard without user consent due to a tapjacking/overlay attack. This vulnerability, identified as CVE-2021-0487, affects Android 11 devices and was disclosed in May 2021 (MITRE, NVD).
The vulnerability exists in the CalendarDebugActivity.java component of Android 11. It specifically involves the onCreate method, which can be exploited through a tapjacking or overlay attack technique. The vulnerability requires user execution privileges for exploitation, though user interaction is not needed for the actual exploit to succeed (MITRE).
Successful exploitation of this vulnerability could lead to local escalation of privilege, allowing unauthorized access to and export of calendar data to the device's SD card without user consent. This poses a significant privacy risk as sensitive calendar information could be exposed to unauthorized parties (MITRE).
Source: This report was generated using AI
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