{"id":"PUB-A-244713323", "published":"2023-03-01T00:00:00Z", "modified":"2026-04-29T15:10:00.007170452Z", "aliases":["CVE-2023-21033", "A-244713323"], "details":"In addNetwork of WifiManager.java, there is a possible way to trigger a persistent DoS due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.", "affected":[{"package":{"name":"platform/packages/modules/Wifi", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"13:0"}, {"fixed":"13:2023-03-01"}]}], "versions":["13"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/packages/modules/Wifi/+/efc2010dfb0301b787bab7e2651163b750c14039"], "severity":"Moderate", "spl":"2023-03-01", "types":["DoS"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["291515277085416486699474491138642108863", "264878087027978662088404428223769486407", "132233293918702436532845636680667738979", "10781360971497333638321863174473632205", "293297158090478303121254787817987641287", "120516724297911114982956648547773549140", "332222105730840888445558315720509271967", "62131073000839779570706535284350195060", "181422599291394484805713599846954341907", "227893025107348554982045870643482776885", "99328059968262538594212846407861350559", "43365071146086750192861382084578450403", "80819269854912033180646023273623478888", "32170999829104299615634451309553921602", "203680536252585685152395138894844375855", "180207415084064842451748507395939497919", "59213861426793363047427397730262897543", "33129021558188732496004663537698668967", "275989765722924535300726171223880730513", "39437489716646572813327417935078088483", "288923025357870017393329578651837293283", "256390780362016827934908989831357997981"], "threshold":0.9}, "id":"PUB-A-244713323-281bd3e0", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/modules/Wifi/+/efc2010dfb0301b787bab7e2651163b750c14039", "target":{"file":"service/java/com/android/server/wifi/WifiConfigManager.java"}}, {"deprecated":false, "digest":{"function_hash":"312164666355062670469738263269032068892", "length":1312}, "id":"PUB-A-244713323-5f6fe5da", "match_only_versions":["13"], "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/modules/Wifi/+/efc2010dfb0301b787bab7e2651163b750c14039", "target":{"file":"service/java/com/android/server/wifi/WifiConfigManager.java", "function":"removeExcessNetworks"}}, {"deprecated":false, "digest":{"function_hash":"164155133005509604452797655812554789828", "length":5514}, "id":"PUB-A-244713323-6746cfb1", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/modules/Wifi/+/efc2010dfb0301b787bab7e2651163b750c14039", "target":{"file":"service/java/com/android/server/wifi/WifiConfigManager.java", "function":"addOrUpdateNetworkInternal"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2023-03-01"}, {"type":"FIX", "url":"https://android.googlesource.com/platform/packages/modules/Wifi/+/efc2010dfb0301b787bab7e2651163b750c14039"}]}