{"id":"PUB-A-193800652","details":"In hasNamedWallpaper of WallpaperManagerService.java, there is a possible way to determine whether an app is installed, without query permissions, due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-193800652","CVE-2021-1025"],"modified":"2026-05-29T15:55:33.750044621Z","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/frameworks/base/+/c7de46c8e45b0a81da65bb63220f1e502cf04921"}],"affected":[{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2021-12-01"}]}],"versions":["12"],"ecosystem_specific":{"severity":"Moderate","spl":"2021-12-01","fixes":["https://android.googlesource.com/platform/frameworks/base/+/c7de46c8e45b0a81da65bb63220f1e502cf04921"],"types":["ID"],"vanir_signatures":[{"source":"https://android.googlesource.com/platform/frameworks/base/+/c7de46c8e45b0a81da65bb63220f1e502cf04921","id":"PUB-A-193800652-c69b02ce","digest":{"line_hashes":["39275217561838728963992075719630011395","60949154431976449709105693195531616887","261464316904973385258147136598452934597","227214050609644533085085003222725773304","175625025981031983434455603619840749403","98874412179968923432749838123742731022","181300433046089138343853969056757871617","238714527340987671693651969324152567441","107399261705791472036583292945930006355"],"threshold":0.9},"target":{"file":"services/core/java/com/android/server/wallpaper/WallpaperManagerService.java"},"signature_type":"Line","signature_version":"v1","deprecated":false},{"source":"https://android.googlesource.com/platform/frameworks/base/+/c7de46c8e45b0a81da65bb63220f1e502cf04921","target":{"file":"services/core/java/com/android/server/wallpaper/WallpaperManagerService.java","function":"hasNamedWallpaper"},"id":"PUB-A-193800652-e10ef509","digest":{"length":562,"function_hash":"260323520536712876715714027822045432317"},"signature_type":"Function","signature_version":"v1","deprecated":false}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-193800652.json"}}],"schema_version":"1.7.5"}