In archiveStoredConversation of MmsService.java, there is a possible way to archive message conversation without user consent due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
{ "vanir_signatures": [ { "digest": { "threshold": 0.9, "line_hashes": [ "293613250987942263816303288157563540503", "287124660630697584375849318651089324823", "36946460191783365413945840267393125669", "274447771839312378753502653407167139317", "129291971431529604219013176637066015518", "240949878323705658310411750882175041252", "70801864732567594003963611904526830257", "325710945528148596877556527566916886115" ] }, "id": "PUB-A-180419673-bcfc8c04", "source": "https://android.googlesource.com/platform/packages/services/Mms/+/fc9b30346633e275faa7b44734c1718280407d5f", "deprecated": false, "signature_version": "v1", "target": { "file": "src/com/android/mms/service/MmsService.java" }, "signature_type": "Line" }, { "digest": { "length": 308.0, "function_hash": "83129940140774098393147415840015853450" }, "id": "PUB-A-180419673-eeb9a025", "source": "https://android.googlesource.com/platform/packages/services/Mms/+/fc9b30346633e275faa7b44734c1718280407d5f", "deprecated": false, "signature_version": "v1", "target": { "file": "src/com/android/mms/service/MmsService.java", "function": "archiveStoredConversation" }, "signature_type": "Function" } ], "fixes": [ "https://android.googlesource.com/platform/packages/services/Mms/+/fc9b30346633e275faa7b44734c1718280407d5f" ], "spl": "2021-06-01", "severity": "Moderate", "types": [ "EoP" ] }