{"id":"ASB-A-229256049","details":"In getMainActivityLaunchIntent of LauncherAppsService.java, there is a possible way to bypass the restrictions on starting activities from the background 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.","aliases":["A-229256049","CVE-2023-20916"],"modified":"2026-05-25T16:46:24.913870386Z","published":"2023-01-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-01-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/frameworks/base/+/f4ed441e180d7113b5f6ebfe711e61a2dd3fd8b1"}],"affected":[{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2023-01-01"}]}],"versions":["12"],"ecosystem_specific":{"spl":"2023-01-01","types":["EoP"],"severity":"High","vanir_signatures":[{"signature_type":"Line","digest":{"threshold":0.9,"line_hashes":["250508615551501372413942264399150300243","138900840196619030670094205567774864695","120739816563832750973168971151327009443","152924380646887756749350741474481213798"]},"source":"https://android.googlesource.com/platform/frameworks/base/+/b3192809643eff948d9457c8a7b36b968a7388a1","target":{"file":"core/java/android/content/pm/LauncherApps.java"},"id":"ASB-A-229256049-3e8b2cd7","signature_version":"v1","deprecated":false},{"signature_type":"Function","digest":{"length":542,"function_hash":"122981650753620630162760433619632019228"},"source":"https://android.googlesource.com/platform/frameworks/base/+/b3192809643eff948d9457c8a7b36b968a7388a1","target":{"function":"getActivityLaunchIntent","file":"services/core/java/com/android/server/pm/LauncherAppsService.java"},"id":"ASB-A-229256049-9643ea71","signature_version":"v1","deprecated":false},{"digest":{"threshold":0.9,"line_hashes":["20318856629384586059852186135709392903","42494193039287241991899971276635372650","282632621706364974620388240773645464804","151784017498937057000506700816925484397","315606302838225928515630945886580806326"]},"source":"https://android.googlesource.com/platform/frameworks/base/+/b3192809643eff948d9457c8a7b36b968a7388a1","signature_version":"v1","target":{"file":"services/core/java/com/android/server/pm/LauncherAppsService.java"},"id":"ASB-A-229256049-be5362a5","signature_type":"Line","deprecated":false},{"signature_type":"Function","digest":{"length":332,"function_hash":"116370368593760199355379777173925962572"},"source":"https://android.googlesource.com/platform/frameworks/base/+/b3192809643eff948d9457c8a7b36b968a7388a1","target":{"function":"getMainActivityLaunchIntent","file":"core/java/android/content/pm/LauncherApps.java"},"id":"ASB-A-229256049-e325ea01","signature_version":"v1","deprecated":false}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/b3192809643eff948d9457c8a7b36b968a7388a1"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-229256049.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12L:0"},{"fixed":"12L:2023-01-01"}]}],"versions":["12L"],"ecosystem_specific":{"spl":"2023-01-01","types":["EoP"],"severity":"High","vanir_signatures":[{"signature_version":"v1","signature_type":"Line","digest":{"threshold":0.9,"line_hashes":["20318856629384586059852186135709392903","42494193039287241991899971276635372650","282632621706364974620388240773645464804","151784017498937057000506700816925484397","315606302838225928515630945886580806326"]},"target":{"file":"services/core/java/com/android/server/pm/LauncherAppsService.java"},"id":"ASB-A-229256049-0ad92fd4","source":"https://android.googlesource.com/platform/frameworks/base/+/b3192809643eff948d9457c8a7b36b968a7388a1","deprecated":false},{"digest":{"threshold":0.9,"line_hashes":["250508615551501372413942264399150300243","138900840196619030670094205567774864695","120739816563832750973168971151327009443","152924380646887756749350741474481213798"]},"source":"https://android.googlesource.com/platform/frameworks/base/+/b3192809643eff948d9457c8a7b36b968a7388a1","signature_version":"v1","target":{"file":"core/java/android/content/pm/LauncherApps.java"},"id":"ASB-A-229256049-305b47f4","signature_type":"Line","deprecated":false},{"signature_type":"Function","digest":{"length":542,"function_hash":"122981650753620630162760433619632019228"},"signature_version":"v1","target":{"function":"getActivityLaunchIntent","file":"services/core/java/com/android/server/pm/LauncherAppsService.java"},"id":"ASB-A-229256049-39b831ba","source":"https://android.googlesource.com/platform/frameworks/base/+/b3192809643eff948d9457c8a7b36b968a7388a1","deprecated":false},{"signature_type":"Function","digest":{"length":332,"function_hash":"116370368593760199355379777173925962572"},"source":"https://android.googlesource.com/platform/frameworks/base/+/b3192809643eff948d9457c8a7b36b968a7388a1","target":{"function":"getMainActivityLaunchIntent","file":"core/java/android/content/pm/LauncherApps.java"},"id":"ASB-A-229256049-a185dbf9","signature_version":"v1","deprecated":false}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/b3192809643eff948d9457c8a7b36b968a7388a1"]},"da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