{"id":"ASB-A-244154558","details":"In run of ChooseTypeAndAccountActivity.java, there is a possible escalation of privilege  due to unsafe deserialization. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-244154558","CVE-2023-20944"],"modified":"2026-09-18T15:47:37.392928379Z","published":"2023-02-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-02-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/frameworks/base/+/d0bc9026e2e62e09fa88c1bcbf1dc1c3fb001375"}],"affected":[{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10:0"},{"fixed":"10:2023-02-01"}]}],"versions":["10"],"ecosystem_specific":{"vanir_signatures":[{"signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/ede0a767c26f144e38b4a0c1c2f530b05ffd29a8","target":{"file":"core/java/android/accounts/ChooseTypeAndAccountActivity.java","function":"run"},"deprecated":false,"digest":{"length":838,"function_hash":"97734813324455114638168973987451006310"},"id":"ASB-A-244154558-074a2305","signature_type":"Function"},{"id":"ASB-A-244154558-40dfacc6","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/ede0a767c26f144e38b4a0c1c2f530b05ffd29a8","target":{"file":"core/java/android/accounts/ChooseTypeAndAccountActivity.java"},"deprecated":false,"digest":{"line_hashes":["168367720658013878434305636110780693264","70322744295924372814385861896908411710","282128897818291101007703694976473725565","172838133897058858698945207264699440779"],"threshold":0.9}}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/ede0a767c26f144e38b4a0c1c2f530b05ffd29a8"],"severity":"High","spl":"2023-02-01","types":["EoP"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-244154558.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2023-02-01"}]}],"versions":["11"],"ecosystem_specific":{"vanir_signatures":[{"target":{"file":"core/java/android/accounts/ChooseTypeAndAccountActivity.java","function":"run"},"deprecated":false,"digest":{"function_hash":"97734813324455114638168973987451006310","length":838},"id":"ASB-A-244154558-2eaea268","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/ede0a767c26f144e38b4a0c1c2f530b05ffd29a8"},{"signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/ede0a767c26f144e38b4a0c1c2f530b05ffd29a8","target":{"file":"core/java/android/accounts/ChooseTypeAndAccountActivity.java"},"deprecated":false,"digest":{"line_hashes":["168367720658013878434305636110780693264","70322744295924372814385861896908411710","282128897818291101007703694976473725565","172838133897058858698945207264699440779"],"threshold":0.9},"id":"ASB-A-244154558-9bd62540","signature_type":"Line"}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/ede0a767c26f144e38b4a0c1c2f530b05ffd29a8"],"severity":"High","spl":"2023-02-01","types":["EoP"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-244154558.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2023-02-01"}]}],"versions":["12"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/frameworks/base/+/ede0a767c26f144e38b4a0c1c2f530b05ffd29a8"],"severity":"High","spl":"2023-02-01","types":["EoP"],"vanir_signatures":[{"id":"ASB-A-244154558-13b53d61","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/ede0a767c26f144e38b4a0c1c2f530b05ffd29a8","target":{"file":"core/java/android/accounts/ChooseTypeAndAccountActivity.java"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["168367720658013878434305636110780693264","70322744295924372814385861896908411710","282128897818291101007703694976473725565","172838133897058858698945207264699440779"]}},{"signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/ede0a767c26f144e38b4a0c1c2f530b05ffd29a8","target":{"function":"run","file":"core/java/android/accounts/ChooseTypeAndAccountActivity.java"},"deprecated":false,"digest":{"function_hash":"97734813324455114638168973987451006310","length":838},"id":"ASB-A-244154558-5eac4868"}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-244154558.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12L:0"},{"fixed":"12L:2023-02-01"}]}],"versions":["12L"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/frameworks/base/+/ede0a767c26f144e38b4a0c1c2f530b05ffd29a8"],"severity":"High","spl":"2023-02-01","types":["EoP"],"vanir_signatures":[{"source":"https://android.googlesource.com/platform/frameworks/base/+/ede0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