{"id":"PUB-A-191086488", "published":"2021-12-01T00:00:00Z", "modified":"2026-05-22T15:55:21.353668239Z", "aliases":["CVE-2021-0997", "A-191086488"], "details":"In handleUpdateNetworkState of GnssNetworkConnectivityHandler.java , there is a possible APN disclosure due to log information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.", "affected":[{"package":{"name":"platform/frameworks/base", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"12:0"}, {"fixed":"12:2021-12-01"}]}], "versions":["12"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/frameworks/base/+/3adafd7e472769af8b2f24ca056e6a1966859f81"], "severity":"Moderate", "spl":"2021-12-01", "types":["ID"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["195817895390360946860166197046854211706", "45931255835794972349648229257497364072", "24035953973260542049650571888969877059", "309444842783688198554256455692576441213", "235094980270801503860205760483291388610", "261860784389936596146328436159566134255", "165301649195544514886544900350495581514", "173727704323059081365638307169717608016", "183319550943327012809470134345262148333"], "threshold":0.9}, "id":"PUB-A-191086488-36197a47", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/frameworks/base/+/3adafd7e472769af8b2f24ca056e6a1966859f81", "target":{"file":"services/core/java/com/android/server/location/gnss/GnssNetworkConnectivityHandler.java"}}, {"deprecated":false, "digest":{"function_hash":"315585459968302106396171360447566091188", "length":893}, "id":"PUB-A-191086488-e4370388", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/frameworks/base/+/3adafd7e472769af8b2f24ca056e6a1966859f81", "target":{"file":"services/core/java/com/android/server/location/gnss/GnssNetworkConnectivityHandler.java", "function":"handleUpdateNetworkState"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2021-12-01"}, {"type":"FIX", "url":"https://android.googlesource.com/platform/frameworks/base/+/3adafd7e472769af8b2f24ca056e6a1966859f81"}]}