{"id":"PUB-A-252764410","details":"In executeSetClientTarget of ComposerCommandEngine.h, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-252764410","CVE-2023-21170"],"modified":"2026-09-18T15:47:37.392928379Z","published":"2023-06-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-06-01"}],"affected":[{"package":{"name":"platform/hardware/interfaces","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13-next:0"},{"fixed":"13-next:2023-06-01"}]}],"versions":["13-next"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/hardware/interfaces/+/708d49cfce0cfa4ef9bd222ea694dbc6338d8798"],"severity":"Moderate","spl":"2023-06-01","types":["ID"],"vanir_signatures":[{"signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/hardware/interfaces/+/708d49cfce0cfa4ef9bd222ea694dbc6338d8798","target":{"file":"graphics/composer/2.1/utils/hal/include/composer-hal/2.1/ComposerCommandEngine.h"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["76114283547985291809094089203213410446","109427530682858320752920774958614958356","320136780765458802986898507063064923721","97599872499979904770641959809756837926"]},"id":"PUB-A-252764410-066f22c6","match_only_versions":["13-next"]}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-252764410.json"}},{"package":{"name":"platform/hardware/interfaces","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2023-06-01"}]}],"versions":["13"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/hardware/interfaces/+/d00b8598bb9f5b993a2b80b5525cde1cb535369f"],"severity":"Moderate","spl":"2023-06-01","types":["ID"],"vanir_signatures":[{"match_only_versions":["13"],"signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/hardware/interfaces/+/d00b8598bb9f5b993a2b80b5525cde1cb535369f","target":{"file":"graphics/composer/2.1/utils/hal/include/composer-hal/2.1/ComposerCommandEngine.h"},"deprecated":false,"digest":{"line_hashes":["76114283547985291809094089203213410446","109427530682858320752920774958614958356","320136780765458802986898507063064923721","97599872499979904770641959809756837926"],"threshold":0.9},"id":"PUB-A-252764410-e596c4ac"}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-252764410.json"}}],"schema_version":"1.9.0"}