{"id":"ASB-A-168319670","details":"In createOrUpdate of Permission.java and related code, there is possible permission escalation due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.","aliases":["A-168319670","CVE-2021-0317"],"modified":"2026-09-18T15:47:37.392928379Z","published":"2021-01-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-01-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47"}],"affected":[{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0:0"},{"fixed":"8.0:2021-01-01"}]}],"versions":["8.0"],"ecosystem_specific":{"types":["EoP"],"vanir_signatures":[{"target":{"function":"createOrUpdate","file":"services/core/java/com/android/server/pm/permission/BasePermission.java"},"deprecated":false,"digest":{"function_hash":"159669981910848186740133655022903054465","length":2873},"id":"ASB-A-168319670-431f8199","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47"},{"signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47","target":{"file":"services/core/java/com/android/server/pm/permission/BasePermission.java"},"deprecated":false,"digest":{"line_hashes":["300558797478455665228977041073332740161","229089149346645259548452564495478783989","158516251953092459809047713070131326523","23878212559383681882692447600667961378","309214319754859876925951608291378068273","38034053912912518898345619210675635579","106001563314996809083498962546828590825","102279475340615476629214848145454800846"],"threshold":0.9},"id":"ASB-A-168319670-b8307471"}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47"],"severity":"High","spl":"2021-01-01"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-168319670.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.1:0"},{"fixed":"8.1:2021-01-01"}]}],"versions":["8.1"],"ecosystem_specific":{"severity":"High","spl":"2021-01-01","types":["EoP"],"vanir_signatures":[{"source":"https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47","target":{"function":"createOrUpdate","file":"services/core/java/com/android/server/pm/permission/BasePermission.java"},"deprecated":false,"digest":{"function_hash":"159669981910848186740133655022903054465","length":2873},"id":"ASB-A-168319670-4471fe7c","signature_type":"Function","signature_version":"v1"},{"id":"ASB-A-168319670-91caa67f","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47","target":{"file":"services/core/java/com/android/server/pm/permission/BasePermission.java"},"deprecated":false,"digest":{"line_hashes":["300558797478455665228977041073332740161","229089149346645259548452564495478783989","158516251953092459809047713070131326523","23878212559383681882692447600667961378","309214319754859876925951608291378068273","38034053912912518898345619210675635579","106001563314996809083498962546828590825","102279475340615476629214848145454800846"],"threshold":0.9}}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-168319670.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9:0"},{"fixed":"9:2021-01-01"}]}],"versions":["9"],"ecosystem_specific":{"spl":"2021-01-01","types":["EoP"],"vanir_signatures":[{"signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47","target":{"file":"services/core/java/com/android/server/pm/permission/BasePermission.java","function":"createOrUpdate"},"deprecated":false,"digest":{"function_hash":"159669981910848186740133655022903054465","length":2873},"id":"ASB-A-168319670-412e37a2"},{"id":"ASB-A-168319670-85f3cf20","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47","target":{"file":"services/core/java/com/android/server/pm/permission/BasePermission.java"},"deprecated":false,"digest":{"line_hashes":["300558797478455665228977041073332740161","229089149346645259548452564495478783989","158516251953092459809047713070131326523","23878212559383681882692447600667961378","309214319754859876925951608291378068273","38034053912912518898345619210675635579","106001563314996809083498962546828590825","102279475340615476629214848145454800846"],"threshold":0.9}}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47"],"severity":"High"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-168319670.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10:0"},{"fixed":"10:2021-01-01"}]}],"versions":["10"],"ecosystem_specific":{"vanir_signatures":[{"id":"ASB-A-168319670-7092be5b","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47","target":{"file":"services/core/java/com/android/server/pm/permission/BasePermission.java"},"deprecated":false,"digest":{"line_hashes":["300558797478455665228977041073332740161","229089149346645259548452564495478783989","158516251953092459809047713070131326523","23878212559383681882692447600667961378","309214319754859876925951608291378068273","38034053912912518898345619210675635579","106001563314996809083498962546828590825","102279475340615476629214848145454800846"],"threshold":0.9}},{"signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47","target":{"file":"services/core/java/com/android/server/pm/permission/BasePermission.java","function":"createOrUpdate"},"deprecated":false,"digest":{"length":2873,"function_hash":"159669981910848186740133655022903054465"},"id":"ASB-A-168319670-d0b18bcf","signature_type":"Function"}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47"],"severity":"High","spl":"2021-01-01","types":["EoP"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-168319670.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-01-01"}]}],"versions":["11"],"ecosystem_specific":{"spl":"2021-01-01","types":["EoP"],"vanir_signatures":[{"source":"https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47","target":{"file":"services/core/java/com/android/server/pm/permission/BasePermission.java"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["300558797478455665228977041073332740161","229089149346645259548452564495478783989","158516251953092459809047713070131326523","23878212559383681882692447600667961378","309214319754859876925951608291378068273","38034053912912518898345619210675635579","106001563314996809083498962546828590825","102279475340615476629214848145454800846"]},"id":"ASB-A-168319670-06ed3e21","signature_type":"Line","signature_version":"v1"},{"signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47","target":{"function":"createOrUpdate","file":"services/core/java/com/android/server/pm/permission/BasePermission.java"},"deprecated":false,"digest":{"length":2873,"function_hash":"159669981910848186740133655022903054465"},"id":"ASB-A-168319670-a229c7b8","signature_type":"Function"}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47"],"severity":"High"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-168319670.json"}}],"schema_version":"1.9.0"}