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 could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.
{
"spl": "2021-05-01",
"fixes": [
"https://android.googlesource.com/platform/packages/providers/CalendarProvider/+/11fe2048a5aa5d3d3db315194921130bf2407919"
],
"severity": "High",
"vanir_signatures": [
{
"target": {
"file": "src/com/android/providers/calendar/CalendarDebugActivity.java"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"60518912781230707920037808092477919804",
"119739717399118429099288361389180461437",
"322385714673689406118538491383202140376"
]
},
"id": "ASB-A-174046397-ecaf0a28",
"signature_type": "Line",
"signature_version": "v1",
"deprecated": false,
"source": "https://android.googlesource.com/platform/packages/providers/CalendarProvider/+/11fe2048a5aa5d3d3db315194921130bf2407919"
}
],
"types": [
"EoP"
]
}