{"id":148495,"date":"2025-11-15T23:11:59","date_gmt":"2025-11-15T21:11:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/udalyonno-ekspluatiruemaya-uzvimost-v-bluetooth-steke-platformy-android"},"modified":"2025-11-15T23:11:59","modified_gmt":"2025-11-15T21:11:59","slug":"udalyonno-ekspluatiruemaya-uzvimost-v-bluetooth-steke-platformy-android","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/udalyonno-ekspluatiruemaya-uzvimost-v-bluetooth-steke-platformy-android","title":{"rendered":"Udaljenost iskori\u0161tenja ranjivosti u Bluetooth stogu platforme Android","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

U novembarskom biltenu sigurnosti Android objavljene su informacije o ranjivosti CVE-2025-48593 u Bluetooth podsystemu, koja se odnosi na verzije Androida od 13 do 16. Ranjivosti je dodeljen kriti\u010dan nivo opasnosti (9.8 od 10) jer mo\u017ee dovesti do udaljenog izvr\u0161enja koda prilikom obrade posebno oblikovanih Bluetooth paketa. <\/p>\n

Kompanija Google za sada ne otkriva detaljni opis ranjivosti, ali nezavisni istra\u017eiva\u010di tvrde da problem ne poga\u0111a obi\u010dne pametne telefone i da se ti\u010de samo Bluetooth ure\u0111aja koji mogu delovati kao zvu\u010dnici, poput pametnih zvu\u010dnika, pametnih satova i automobilski infotainment sistema. Da bi se iskoristila ranjivost, korisnik mora da izvr\u0161i uparivanje svog ure\u0111aja s ure\u0111ajem napada\u010da, tj. za blokiranje problema dovoljno je ne prihvatiti sumnjive zahteve za uparivanje (u Google-ovom biltenu pominje se da za eksploataciju nije potrebno da korisnik preduzme nikakve radnje). <\/p>\n

Ispravak se svodi na dodavanje poziva za provjeru postojanja Discovery Database tijekom rada s Bluetooth profilom Handsfree i zaustavljanja pretra\u017eivanja prijatelja koriste\u0107i SDP (Service Discovery Protocol), kao i na resetiranje i \u010di\u0161\u0107enje strukture p_disc_db (\"discovery database\"). Odre\u0111ene manipulacije se odnose na vra\u0107anje gre\u0161aka i obnavljanje veza tijekom odre\u0111ivanja Bluetooth usluge i dogovora o interakciji. poslu\u017eitelja<\/a> s klijentom dovode do pristupanja ve\u0107 oslobo\u0111enoj memorijskoj oblasti (use-after-free). <\/p>\n

Ispravka je ve\u0107 prenesena u kodnu bazu LineageOS. Dostupan je rani prototip eksploita koji uzrokuje pad sistema prilikom pokretanja Androida u posebnom emulatoru. Na mre\u017ei su tako\u0111e prime\u0107eni poku\u0161aji prodaje radnog eksploita, ali prema svemu sude\u0107i, to su poku\u0161aji \u0161irenja zlonamernog softvera ili prodaje praznih proizvoda od strane prevaranata. <\/p>\n

Osim ove ranjivosti, novembarskom a\u017euriranju Androida dodato je ispravke ranjivosti CVE-2025-48581, koja dovodi do pove\u0107anja privilegija. Problem se odnosi samo na Android 16 i ozna\u010den je kao opasan. Uzrok ranjivosti je logi\u010dka gre\u0161ka u funkciji VerifyNoOverlapInSessions iz datoteke apexd.cpp, koja omogu\u0107ava blokiranje instalacije a\u017euriranja sa ispravkama sigurnosnih problema. Napominje se da se ranjivost mo\u017ee iskoristiti za lokalno pove\u0107anje privilegija. Za izvo\u0111enje napada nije potrebno da korisnik izvr\u0161i bilo kakve radnje.
\n
Izvor: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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