{"id":"PUB-A-195963373","details":"In onCreate of RequestIgnoreBatteryOptimizations.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.","aliases":["A-195963373","CVE-2021-1023"],"modified":"2026-09-21T16:00:45.521740994Z","published":"2021-12-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-12-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/packages/apps/Settings/+/55890075300bcd60ab1accee302d2a20aa71c8a8"}],"affected":[{"package":{"name":"platform/packages/apps/Settings","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2021-12-01"}]}],"versions":["12"],"ecosystem_specific":{"severity":"Moderate","spl":"2021-12-01","types":["ID"],"vanir_signatures":[{"source":"https://android.googlesource.com/platform/packages/apps/Settings/+/55890075300bcd60ab1accee302d2a20aa71c8a8","target":{"file":"src/com/android/settings/fuelgauge/RequestIgnoreBatteryOptimizations.java","function":"onCreate"},"deprecated":false,"digest":{"function_hash":"69012629016051045894804546584320277806","length":1699},"id":"PUB-A-195963373-72c0e0cf","signature_type":"Function","signature_version":"v1"},{"signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Settings/+/55890075300bcd60ab1accee302d2a20aa71c8a8","target":{"file":"src/com/android/settings/fuelgauge/RequestIgnoreBatteryOptimizations.java","function":"onClick"},"deprecated":false,"digest":{"function_hash":"222629958470458075846120450748326754006","length":209},"id":"PUB-A-195963373-d07daac2"},{"digest":{"threshold":0.9,"line_hashes":["200774990146046719467992812428675744624","314009089417719576841736974480070405096","42723053773459545878633655501729225405","12155965660268937498061129424570913441","163324181676046738502552769937319696291","18989106369490027360788858788468418641","119344837202380686854663212682070541591","54747317895483004128483675118253212910","86119090561978380685113609866550758595","25945894192421614444586621121786039312","268942282613060029538542700024590498614","126504596524473447990425157471530701169","320718835992693066271387003750475290036","293391267082056322480823382484213394410","102815327562871578043348869596814111040","210749027793198945999481307600819994936","25945894192421614444586621121786039312","145051783284445340545287674609561019598","67944642808064235305020962901184337283","323137476376376193230907639715448314763","24152281854763850584055429747866504017","121361017228918539868745939004873699850","101883991190114596528205643766023063486","27644540798050933262865428636265818218","21767907860342981132611308476675691062","94009025544309408268089598280165160099","37037712461241614714516175276461173870","25354350726695397340385012127078095812","25200031284962401947172900165970798811","324270581132171560385751091483322424982","201120659892805285379485969999274594327","1436973857580476486511812464297846289","281058423643137999078217362385188550540","112686005132637378188609075720412288930","161443092250633024725586362524942221039","75407180318704451699303769443305508093"]},"id":"PUB-A-195963373-dc7691c7","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Settings/+/55890075300bcd60ab1accee302d2a20aa71c8a8","target":{"file":"src/com/android/settings/fuelgauge/RequestIgnoreBatteryOptimizations.java"},"deprecated":false}],"fixes":["https://android.googlesource.com/platform/packages/apps/Settings/+/55890075300bcd60ab1accee302d2a20aa71c8a8"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-195963373.json"}}],"schema_version":"1.9.0"}