{"id":239154,"date":"2026-03-20T15:01:00","date_gmt":"2026-03-20T14:01:00","guid":{"rendered":"https:\/\/www.whiteshield.net\/clickjacking-amikor-egy-atlatszo-iframe-elteriti-a-kattintasodat\/"},"modified":"2026-03-26T17:47:25","modified_gmt":"2026-03-26T16:47:25","slug":"clickjacking-amikor-egy-atlatszo-iframe-elteriti-a-kattintasodat","status":"publish","type":"post","link":"https:\/\/www.whiteshield.net\/hu\/clickjacking-amikor-egy-atlatszo-iframe-elteriti-a-kattintasodat\/","title":{"rendered":"Clickjacking: amikor egy \u00e1tl\u00e1tsz\u00f3 iframe elt\u00e9r\u00edti a kattint\u00e1sodat"},"content":{"rendered":"<h1><b>Clickjacking: Amikor a kattint\u00e1s nem azt jelenti, amit gondolunk<\/b><\/h1>\n<p><span style=\"font-weight: 400;\">A webbiztons\u00e1g vil\u00e1g\u00e1ban sok t\u00e1mad\u00e1s bonyolult exploitokra, s\u00e9r\u00fcl\u00e9keny k\u00f3dra vagy rosszul konfigur\u00e1lt rendszerekre \u00e9p\u00fcl, a clickjacking azonban eg\u00e9szen m\u00e1s kateg\u00f3ria. Itt ugyanis nem a rendszer felt\u00f6r\u00e9se a c\u00e9l, hanem a felhaszn\u00e1l\u00f3 tudatos megt\u00e9veszt\u00e9se.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Egy j\u00f3l kivitelezett clickjacking sor\u00e1n a t\u00e1mad\u00f3 el\u00e9ri, hogy a felhaszn\u00e1l\u00f3 egy teljesen legitimnek t\u0171n\u0151 kattint\u00e1ssal olyan m\u0171veletet hajtson v\u00e9gre, amelyet val\u00f3j\u00e1ban nem akart. A h\u00e1tt\u00e9rben h\u00faz\u00f3d\u00f3 technika pedig \u00e1ltal\u00e1ban egy \u00e1tl\u00e1tsz\u00f3 r\u00e9teg \u00e9s egy iframe kombin\u00e1ci\u00f3j\u00e1ra \u00e9p\u00fcl. A m\u00f3dszer sikeress\u00e9g\u00e9nek oka pedig nem kifejezetten a technol\u00f3gi\u00e1ban, hanem az emberi pszich\u00e9 m\u0171k\u00f6d\u00e9s\u00e9ben rejlik.<\/span><\/p>\n<h2><b>Mi az a clickjacking?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A clickjacking \u2013 magyarul kattint\u00e1s-elt\u00e9r\u00edt\u00e9s \u2013 egy olyan webes t\u00e1mad\u00e1s, amelynek sor\u00e1n a felhaszn\u00e1l\u00f3t \u00e9szrev\u00e9tlen\u00fcl r\u00e1veszik, hogy egy l\u00e1thatatlan vagy rejtett fel\u00fcletre kattintson. Azaz mik\u00f6zben felhaszn\u00e1l\u00f3 azt hiszi, hogy egy gombra, k\u00e9pre vagy linkre kattint, val\u00f3j\u00e1ban egy teljesen m\u00e1s m\u0171velet aktiv\u00e1l\u00f3dik.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A m\u00f3dszer val\u00f3j\u00e1ban megd\u00f6bbent\u0151en egyszer\u0171, hiszen els\u0151k\u00e9nt a t\u00e1mad\u00f3 bet\u00f6lt egy legitim weboldalt egy iframe seg\u00edts\u00e9g\u00e9vel. Ezt az iframe-et azonban egy CSS-r\u00e9tegen \u00e1tl\u00e1tsz\u00f3v\u00e1 teszi, majd a l\u00e1thatatlan fel\u00fcletet egy cs\u00e1b\u00edt\u00f3 vagy \u00e1rtalmatlan gomb al\u00e1 helyezi. V\u00e9g\u00fcl a felhaszn\u00e1l\u00f3 gyan\u00fatlanul kattint \u2013 csakhogy egy\u00e1ltal\u00e1n nem arra, amire gondol.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A folyamat vesz\u00e9lye t\u00f6bbek k\u00f6z\u00f6tt abban rejlik, hogy a clickjacking sor\u00e1n a felhaszn\u00e1l\u00f3 ugyan nem tudatosan, de akaratlagosan, a b\u00f6ng\u00e9sz\u0151 sz\u00e1m\u00e1ra teljesen szab\u00e1lyos felhaszn\u00e1l\u00f3i interakci\u00f3k\u00e9nt kattint. Ez\u00e9rt a rendszer gyakran nem \u00e9rz\u00e9keli t\u00e1mad\u00e1sk\u00e9nt az esem\u00e9nyt, emiatt a kattint\u00e1s-elt\u00e9r\u00edt\u00e9s hossz\u00fa id\u0151n \u00e1t is rejtve maradhat.<\/span><\/p>\n<h2><b>Hogyan m\u0171k\u00f6dik a clickjacking technikailag?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A clickjacking tipikusan h\u00e1rom egyszer\u0171 technikai elemre \u00e9p\u00fcl:<\/span><\/p>\n<h3><b>1. iframe be\u00e1gyaz\u00e1s<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Az iframe lehet\u0151v\u00e9 teszi, hogy egy weboldal tartalma egy m\u00e1sik oldalba be\u00e1gyaz\u00f3djon. Ez teljesen legitim webfejleszt\u00e9si technika. A probl\u00e9ma akkor kezd\u0151dik, amikor ezt manipul\u00e1ci\u00f3ra haszn\u00e1lj\u00e1k.<\/span><\/p>\n<h3><b>2. \u00c1tl\u00e1tsz\u00f3 r\u00e9teg<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">A t\u00e1mad\u00f3 az iframe-et CSS seg\u00edts\u00e9g\u00e9vel \u00e1tl\u00e1tsz\u00f3 r\u00e9tegg\u00e9 alak\u00edtja.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">P\u00e9ld\u00e1ul:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">opacity: 0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">position: absolute<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">pontos pixel pozicion\u00e1l\u00e1s<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ezzel a felhaszn\u00e1l\u00f3 sz\u00e1m\u00e1ra l\u00e1thatatlan fel\u00fclet j\u00f6n l\u00e9tre.<\/span><\/p>\n<h3><b>3. Kattint\u00e1smanipul\u00e1ci\u00f3<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Az \u00e1tl\u00e1tsz\u00f3 r\u00e9teg pontosan egy cs\u00e1b\u00edt\u00f3 UI-elem al\u00e1 ker\u00fcl. Tipikus p\u00e9ld\u00e1k:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u201eKattints ide a nyerem\u00e9nyhez\u201d<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u201eInd\u00edtsd el a vide\u00f3t\u201d<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u201eT\u00f6ltsd le az aj\u00e1nd\u00e9kot\u201d<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">A felhaszn\u00e1l\u00f3 gyan\u00fatlanul kattint, val\u00f3j\u00e1ban azonban egy m\u00e1sik weboldalon t\u00f6rt\u00e9nik m\u0171velet.<\/span><\/p>\n<h3><b>P\u00e9ldam\u0171velet<\/b><span style=\"font-weight: 400;\">:<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Az al\u00e1bbiakban egy t\u00f6bbr\u00e9teg\u0171 clickjacking t\u00e1mad\u00e1s szimul\u00e1ci\u00f3ja l\u00e1that\u00f3, melynek sor\u00e1n a felhaszn\u00e1l\u00f3 tal\u00e1lkozik az egy\u00e9bk\u00e9nt val\u00f3s t\u00e1mad\u00e1sokban is gyakran alkalmazott \u201eGratul\u00e1lunk! Nyerj egy iPhone-t \u2013 kattints ide!\u201d \u00fczenettel. A t\u00e1j\u00e9kozatlan, webbiztons\u00e1gban j\u00e1ratlan szeml\u00e9l\u0151 ekkor meg\u00f6r\u00fcl, hiszen a nagy\u00e9rt\u00e9k\u0171 nyerem\u00e9ny cs\u00e1b\u00edt\u00f3 sz\u00e1m\u00e1ra.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Azt azonban nem tudja, hogy a nyerem\u00e9nyoldal h\u00e1tt\u00e9r\u00e9ben a t\u00e1mad\u00f3 egy \u00e1tl\u00e1tsz\u00f3 r\u00e9tegen kereszt\u00fcl egy m\u00e1sik weboldalt t\u00f6lt be &#8211; p\u00e9ld\u00e1ul utal\u00e1st ind\u00edt el egy banki weboldalon.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">P\u00e9lda a kattint\u00e1s-elt\u00e9r\u00edt\u00e9s t\u00e1mad\u00e1sra<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-239152\" src=\"https:\/\/www.whiteshield.net\/wp-content\/uploads\/2026\/03\/1_pelda-a-clickjackingre-300x268.png\" alt=\"\" width=\"300\" height=\"268\" \/><\/p>\n<h2><b>Ami egy ilyen kattint\u00e1s ut\u00e1n t\u00f6rt\u00e9nhet<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Ha a h\u00e1tt\u00e9rben bet\u00f6lt\u00f6tt oldal \u00e9rz\u00e9keny m\u0171veleteket enged\u00e9lyez egyetlen kattint\u00e1ssal, akkor komoly probl\u00e9m\u00e1k ad\u00f3dhatnak. Bek\u00f6vetkezhet p\u00e9ld\u00e1ul<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">egy jogosults\u00e1g enged\u00e9lyez\u00e9se;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">valamely szolg\u00e1ltat\u00e1s akaratlan aktiv\u00e1l\u00e1sa;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">a fi\u00f3kbe\u00e1ll\u00edt\u00e1sok m\u00f3dos\u00edt\u00e1sa;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">h\u00edrlev\u00e9l-feliratkoz\u00e1s;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">egy fizet\u00e9si m\u0171velet j\u00f3v\u00e1hagy\u00e1sa.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Mivel a m\u0171velet a felhaszn\u00e1l\u00f3 akt\u00edv munkamenet\u00e9ben, a felhaszn\u00e1l\u00f3 l\u00e1tsz\u00f3lag sz\u00e1nd\u00e9kolt d\u00f6nt\u00e9se k\u00f6vetkezt\u00e9ben t\u00f6rt\u00e9nik, a rendszer legitim k\u00e9r\u00e9sk\u00e9nt kezeli \u00e9s menti azt. Ez\u00e9rt a clickjacking jellemz\u0151en a napl\u00f3kban sem jelenik meg klasszikus t\u00e1mad\u00e1sk\u00e9nt<\/span><b>.<\/b><\/p>\n<h2><b>Mi\u00e9rt vesz\u00e9lyes a clickjacking v\u00e1llalati k\u00f6rnyezetben?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A v\u00e1llalatok gyakran technikai s\u00e9r\u00fcl\u00e9kenys\u00e9gekre koncentr\u00e1lnak, pl. hib\u00e1s k\u00f3d, rossz konfigur\u00e1ci\u00f3, patch hi\u00e1ny. A clickjacking viszont egy felhaszn\u00e1l\u00f3i interakci\u00f3t manipul\u00e1l\u00f3 t\u00e1mad\u00e1s, mely k\u00fcl\u00f6n\u00f6sen probl\u00e9m\u00e1s olyan rendszerek eset\u00e9n, ahol<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">adminisztr\u00e1ci\u00f3s fel\u00fclet \u00e9rhet\u0151 el b\u00f6ng\u00e9sz\u0151b\u0151l;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">bels\u0151 alkalmaz\u00e1sok session-alap\u00fa hiteles\u00edt\u00e9st haszn\u00e1lnak;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00e9rz\u00e9keny m\u0171veletek hajthat\u00f3k v\u00e9gre ak\u00e1r egy kattint\u00e1ssal.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ha egy alkalmaz\u00e1s nem v\u00e9di mag\u00e1t a be\u00e1gyaz\u00e1s ellen, egy t\u00e1mad\u00f3 k\u00fcls\u0151 oldalon kereszt\u00fcl manipul\u00e1lhatja a felhaszn\u00e1l\u00f3i interakci\u00f3kat.<\/span><\/p>\n<h2><b>Hogyan lehet v\u00e9dekezni ellene?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Szerencs\u00e9re a v\u00e9dekez\u00e9s viszonylag j\u00f3l ismert \u00e9s hat\u00e9kony.<\/span><\/p>\n<ul>\n<li aria-level=\"1\">\n<h3><b>X-Frame-Options HTTP fejl\u00e9c<\/b><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Az egyik legegyszer\u0171bb v\u00e9delem. P\u00e9lda: X-Frame-Options: DENY. Ez teljesen megtiltja, hogy az oldal iframe-ben jelenjen meg.<\/span><\/p>\n<ul>\n<li aria-level=\"1\">\n<h3><b>Content Security Policy \u2013 frame-ancestors<\/b><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">A modern megold\u00e1s a Content Security Policy. P\u00e9ld\u00e1ul: Content-Security-Policy: frame-ancestors &#8216;self&#8217;. Ez pontosan meghat\u00e1rozza, mely domainek \u00e1gyazhatj\u00e1k be az oldalt.<\/span><\/p>\n<ul>\n<li aria-level=\"1\">\n<h3><b>SameSite cookie be\u00e1ll\u00edt\u00e1s<\/b><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">A SameSite cookie policy cs\u00f6kkentheti a session vissza\u00e9l\u00e9sek egy r\u00e9sz\u00e9t.<\/span><\/p>\n<ul>\n<li aria-level=\"1\">\n<h3><b>T\u00f6bbl\u00e9pcs\u0151s meger\u0151s\u00edt\u00e9s<\/b><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00c9rz\u00e9keny m\u0171veletek eset\u00e9n \u00e9rdemes komplex, t\u00f6bbl\u00e9pcs\u0151s meger\u0151s\u00edt\u00e9st alkalmazni, azaz meger\u0151s\u00edt\u0151 p\u00e1rbesz\u00e9dablakot haszn\u00e1lni, m\u00e1sodik kattint\u00e1st \u00e9s \u00fajrahiteles\u00edt\u00e9st is k\u00e9rni.<\/span><\/p>\n<h2><b>A technol\u00f3gia nem el\u00e9g, a felhaszn\u00e1l\u00f3k a kulcs<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Az etikus hackel\u00e9sek sor\u00e1n gyakran l\u00e1tjuk, hogy a technikai v\u00e9delem \u00f6nmag\u00e1ban nem elegend\u0151, hiszen a t\u00e1mad\u00e1sok jelent\u0151s r\u00e9sze a felhaszn\u00e1l\u00f3k manipul\u00e1ci\u00f3j\u00e1ra \u00e9p\u00fcl. Ez\u00e9rt a biztons\u00e1g egyik legfontosabb eleme a val\u00f3s t\u00e1mad\u00e1sokat modellez\u0151 szimul\u00e1ci\u00f3 lehet.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ennek \u00e9rdek\u00e9ben a v\u00e1llalati ellen\u00e1ll\u00f3s\u00e1g tesztel\u00e9s\u00e9re a Whiteshield-n\u00e9l rendszeresen v\u00e9gz\u00fcnk tudatoss\u00e1gi \u00e9s ellen\u00e1ll\u00f3k\u00e9pess\u00e9gi teszteket, amelyek a val\u00f3s t\u00e1mad\u00e1si technik\u00e1kat modellezik. Ilyenek p\u00e9ld\u00e1ul az <\/span><a href=\"https:\/\/www.whiteshield.net\/hu\/szolgaltatasaink\/adathalasz-szimulacio\/\"><b><i>adathal\u00e1sz szimul\u00e1ci\u00f3k<\/i><\/b><\/a><span style=\"font-weight: 400;\"> (pl.: val\u00f3s phishing kamp\u00e1nyok modellez\u00e9se; kattint\u00e1si ar\u00e1ny \u00e9s reakci\u00f3k m\u00e9r\u00e9se; oktat\u00e1si visszacsatol\u00e1s a dolgoz\u00f3knak) \u00e9s a <\/span><b><i>clickjacking szimul\u00e1ci\u00f3k <\/i><\/b><span style=\"font-weight: 400;\">(pl.: manipul\u00e1lt fel\u00fcletek tesztel\u00e9se; felhaszn\u00e1l\u00f3i interakci\u00f3k vizsg\u00e1lata; szervezeti kock\u00e1zatok felt\u00e1r\u00e1sa).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Az ilyen tesztek ugyanis mind a dolgoz\u00f3knak, mind a v\u00e1llalati d\u00f6nt\u00e9shoz\u00f3knak seg\u00edtenek meg\u00e9rteni, hogy a biztons\u00e1g nem csak a rendszereken m\u00falik, hanem azon is, hogyan viselkednek az emberek a k\u00e9perny\u0151 el\u0151tt.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">Ha szeretn\u00e9 \u00d6n is megtudni, mennyire ellen\u00e1ll\u00f3 a szervezete a manipul\u00e1ci\u00f3s t\u00e1mad\u00e1sokkal szemben, tesztelj\u00fck rendszereit \u00e9s felhaszn\u00e1l\u00f3it val\u00f3s t\u00e1mad\u00e1si forgat\u00f3k\u00f6nyvekkel! <\/span><\/i><a href=\"https:\/\/www.whiteshield.net\/hu\/kapcsolat\/\"><i><span style=\"font-weight: 400;\">L\u00e9pjen vel\u00fcnk kapcsolatba!<\/span><\/i><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Clickjacking: Amikor a kattint\u00e1s nem azt jelenti, amit gondolunk A webbiztons\u00e1g vil\u00e1g\u00e1ban sok t\u00e1mad\u00e1s bonyolult exploitokra, s\u00e9r\u00fcl\u00e9keny k\u00f3dra vagy rosszul konfigur\u00e1lt rendszerekre \u00e9p\u00fcl, a clickjacking azonban eg\u00e9szen m\u00e1s kateg\u00f3ria. Itt ugyanis nem a rendszer felt\u00f6r\u00e9se a c\u00e9l, hanem a felhaszn\u00e1l\u00f3 tudatos megt\u00e9veszt\u00e9se. Egy j\u00f3l kivitelezett clickjacking sor\u00e1n a t\u00e1mad\u00f3 el\u00e9ri, hogy a felhaszn\u00e1l\u00f3 egy teljesen [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":239224,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[33],"tags":[],"class_list":["post-239154","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web-application-test-hu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Clickjacking: amikor egy \u00e1tl\u00e1tsz\u00f3 iframe elt\u00e9r\u00edti a kattint\u00e1sodat - Whiteshield Ethical Hacking<\/title>\n<meta name=\"description\" content=\"A clickjacking t\u00e1mad\u00e1s sor\u00e1n a felhaszn\u00e1l\u00f3 \u00fagy kattint, hogy k\u00f6zben egy rejtett iframe hajt v\u00e9gre m\u0171veletet. 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