{"id":"PUB-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.","aliases":["A-244713323","CVE-2023-21033"],"modified":"2026-06-01T15:55:42.428303297Z","published":"2023-03-01T00:00:00Z","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"}],"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":{"vanir_signatures":[{"signature_type":"Line","target":{"file":"service/java/com/android/server/wifi/WifiConfigManager.java"},"source":"https://android.googlesource.com/platform/packages/modules/Wifi/+/efc2010dfb0301b787bab7e2651163b750c14039","digest":{"threshold":0.9,"line_hashes":["291515277085416486699474491138642108863","264878087027978662088404428223769486407","132233293918702436532845636680667738979","10781360971497333638321863174473632205","293297158090478303121254787817987641287","120516724297911114982956648547773549140","332222105730840888445558315720509271967","62131073000839779570706535284350195060","181422599291394484805713599846954341907","227893025107348554982045870643482776885","99328059968262538594212846407861350559","43365071146086750192861382084578450403","80819269854912033180646023273623478888","32170999829104299615634451309553921602","203680536252585685152395138894844375855","180207415084064842451748507395939497919","59213861426793363047427397730262897543","33129021558188732496004663537698668967","275989765722924535300726171223880730513","39437489716646572813327417935078088483","288923025357870017393329578651837293283","256390780362016827934908989831357997981"]},"signature_version":"v1","deprecated":false,"id":"PUB-A-244713323-281bd3e0"},{"signature_version":"v1","source":"https://android.googlesource.com/platform/packages/modules/Wifi/+/efc2010dfb0301b787bab7e2651163b750c14039","digest":{"length":1312,"function_hash":"312164666355062670469738263269032068892"},"signature_type":"Function","match_only_versions":["13"],"target":{"file":"service/java/com/android/server/wifi/WifiConfigManager.java","function":"removeExcessNetworks"},"deprecated":false,"id":"PUB-A-244713323-5f6fe5da"},{"signature_type":"Function","target":{"file":"service/java/com/android/server/wifi/WifiConfigManager.java","function":"addOrUpdateNetworkInternal"},"source":"https://android.googlesource.com/platform/packages/modules/Wifi/+/efc2010dfb0301b787bab7e2651163b750c14039","digest":{"length":5514,"function_hash":"164155133005509604452797655812554789828"},"signature_version":"v1","deprecated":false,"id":"PUB-A-244713323-6746cfb1"}],"severity":"Moderate","fixes":["https://android.googlesource.com/platform/packages/modules/Wifi/+/efc2010dfb0301b787bab7e2651163b750c14039"],"types":["DoS"],"spl":"2023-03-01"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-244713323.json"}}],"schema_version":"1.7.5"}