{"id":479726,"date":"2023-08-09T10:43:58","date_gmt":"2023-08-09T10:43:58","guid":{"rendered":""},"modified":"2023-09-05T11:19:26","modified_gmt":"2023-09-05T11:19:26","slug":"xml-bomb","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/xml-bomb\/","title":{"rendered":"XML bombas\u0131"},"content":{"rendered":"

girii\u015f<\/h2>\n

Siber g\u00fcvenlik alan\u0131nda potansiyel tehditleri anlamak ve bunlara kar\u015f\u0131 korunmak b\u00fcy\u00fck \u00f6nem ta\u015f\u0131yor. Y\u0131llar i\u00e7inde ortaya \u00e7\u0131kan bir\u00e7ok tehdit aras\u0131nda "XML bombas\u0131" terimi, g\u00fc\u00e7l\u00fc ve potansiyel olarak y\u0131k\u0131c\u0131 bir sald\u0131r\u0131 vekt\u00f6r\u00fc olarak \u00fcn kazand\u0131. Bu makale, XML bombalar\u0131n\u0131n tarihini, mekani\u011fini, t\u00fcrlerini, sonu\u00e7lar\u0131n\u0131 ve gelecekteki beklentilerini ele alarak bu esrarengiz siber tehdide \u0131\u015f\u0131k tutuyor.<\/p>\n

K\u00f6kenler ve \u0130lk S\u00f6zler<\/h2>\n

XML bombas\u0131 kavram\u0131 ilk olarak 2000'li y\u0131llar\u0131n ba\u015f\u0131nda XML'in (eXtensible Markup Language) do\u011fas\u0131nda bulunan g\u00fcvenlik a\u00e7\u0131klar\u0131ndan kaynaklanarak ortaya \u00e7\u0131kt\u0131. Verileri yap\u0131land\u0131rmak ve depolamak i\u00e7in yayg\u0131n olarak kullan\u0131lan bir dil olan XML, hem insan taraf\u0131ndan hem de makine taraf\u0131ndan okunabilecek \u015fekilde tasarlanm\u0131\u015ft\u0131r. Ancak bu \u00f6zellik, XML bombalar\u0131 olarak bilinen k\u00f6t\u00fc ama\u00e7l\u0131 XML belgeleri olu\u015fturmak i\u00e7in kullan\u0131labilir.<\/p>\n

XML Bombas\u0131n\u0131 Ortaya \u00c7\u0131karmak<\/h2>\n

Yap\u0131 ve \u0130\u015flevsellik<\/h3>\n

Bir XML bombas\u0131, XML ayr\u0131\u015ft\u0131rman\u0131n \u00f6zyinelemeli do\u011fas\u0131ndan yararlanarak \u00e7al\u0131\u015f\u0131r. Bir XML ayr\u0131\u015ft\u0131r\u0131c\u0131s\u0131nda hizmet reddine (DoS) veya kaynak t\u00fcketme sald\u0131r\u0131s\u0131na neden olacak ve a\u015f\u0131r\u0131 hesaplama kaynaklar\u0131n\u0131n t\u00fcketilmesine neden olacak \u015fekilde ustaca tasarlanm\u0131\u015ft\u0131r. Bomban\u0131n k\u00f6t\u00fc ama\u00e7l\u0131 y\u00fck\u00fc, i\u00e7 i\u00e7e ge\u00e7mi\u015f XML varl\u0131klar\u0131n\u0131n katmanlar\u0131 i\u00e7inde gizlenir ve ayr\u0131\u015ft\u0131r\u0131c\u0131n\u0131n, sistem kaynaklar\u0131 tamamen t\u00fcketilene kadar bu varl\u0131klar\u0131 yinelemeli olarak geni\u015fletmesine yol a\u00e7ar.<\/p>\n

Temel \u00d6zellikler ve Analiz<\/h3>\n

Birka\u00e7 temel \u00f6zellik XML bombalar\u0131n\u0131n davran\u0131\u015f\u0131n\u0131 tan\u0131mlar:<\/p>\n

    \n
  1. \n

    \u00dcstel B\u00fcy\u00fcme<\/strong>: XML bombalar\u0131, her bir i\u00e7 i\u00e7e ge\u00e7me katman\u0131 geni\u015fledik\u00e7e \u00fcstel bir b\u00fcy\u00fcme sergileyerek hedef sistemin belle\u011fini ve CPU'sunu zorlar.<\/p>\n<\/li>\n

  2. \n

    Sonsuz D\u00f6ng\u00fc<\/strong>: \u00d6zyinelemeli geni\u015fleme, ayr\u0131\u015ft\u0131r\u0131c\u0131n\u0131n daha fazla giri\u015fi i\u015fleme yetene\u011fini durduran sonsuz bir d\u00f6ng\u00fc senaryosuna yol a\u00e7ar.<\/p>\n<\/li>\n

  3. \n

    Kompakt Temsil<\/strong>: XML bombalar\u0131n\u0131n boyutu genellikle k\u00fc\u00e7\u00fckt\u00fcr, bu da onlar\u0131n basit boyut tabanl\u0131 filtrelerle tespit edilmesini zorla\u015ft\u0131r\u0131r.<\/p>\n<\/li>\n

  4. \n

    Kaynak T\u00fckenmesi<\/strong>: XML bombas\u0131n\u0131n nihai hedefi sistem kaynaklar\u0131n\u0131 t\u00fcketerek sistemin yava\u015flamas\u0131na veya \u00e7\u00f6kmesine neden olmakt\u0131r.<\/p>\n<\/li>\n<\/ol>\n

    XML Bombas\u0131 \u00c7e\u015fitleri<\/h2>\n

    XML bombalar\u0131, her biri kendine has \u00f6zelliklere ve hasar potansiyeli seviyesine sahip \u00e7e\u015fitli \u015fekillerde gelir. A\u015fa\u011f\u0131daki tabloda yayg\u0131n XML bomba t\u00fcrlerine genel bir bak\u0131\u015f sunulmaktad\u0131r:<\/p>\n\n\n\n\n\n\n\n\n
    XML Bomba T\u00fcr\u00fc<\/th>\nTan\u0131m<\/th>\n<\/tr>\n<\/thead>\n
    Milyarlarca G\u00fcl\u00fcyor<\/td>\n\u00dcstel varl\u0131k b\u00fcy\u00fcmesi olu\u015fturmak i\u00e7in i\u00e7 i\u00e7e ge\u00e7mi\u015f varl\u0131k referanslar\u0131n\u0131 kullan\u0131r.<\/td>\n<\/tr>\n
    \u0130kinci Dereceden Patlama<\/td>\n\u0130\u00e7 i\u00e7e ge\u00e7mi\u015f \u00f6\u011feleri ve dahili alt k\u00fcmeleri kullanarak varl\u0131k geni\u015fletmeyi \u015fi\u015firir.<\/td>\n<\/tr>\n
    Polinom Patlamas\u0131<\/td>\nPolinom varl\u0131k b\u00fcy\u00fcmesini sa\u011flamak i\u00e7in derinlemesine i\u00e7 i\u00e7e ge\u00e7mi\u015f \u00f6\u011feler olu\u015fturur.<\/td>\n<\/tr>\n
    \u00d6zel Y\u00fckler<\/td>\nBelirli g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 hedeflemek i\u00e7in belirli varl\u0131klarla haz\u0131rlanm\u0131\u015f veriler.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Da\u011f\u0131t\u0131m, Sorunlar ve \u00c7\u00f6z\u00fcmler<\/h2>\n

    XML bombalar\u0131n\u0131n kullan\u0131m\u0131, hizmetleri aksatmak ve mahremiyeti ihlal etmek i\u00e7in k\u00f6t\u00fc niyetli olarak kullan\u0131labildi\u011finden etik ve yasal kayg\u0131lara yol a\u00e7maktad\u0131r. Kar\u015f\u0131 \u00f6nlemler aras\u0131nda girdi do\u011frulama, varl\u0131k geni\u015fletme s\u0131n\u0131rlar\u0131 ve XML bombalar\u0131n\u0131 tan\u0131yan ve bunlara kar\u015f\u0131 savunma yapan g\u00fcncellenmi\u015f ayr\u0131\u015ft\u0131r\u0131c\u0131lar yer al\u0131r.<\/p>\n

    XML Bombas\u0131 ve \u0130lgili Terimler<\/h2>\n

    XML bombalar\u0131 ve ilgili kavramlar aras\u0131ndaki ayr\u0131mlara a\u00e7\u0131kl\u0131k getirmek i\u00e7in a\u015fa\u011f\u0131daki kar\u015f\u0131la\u015ft\u0131rmay\u0131 g\u00f6z \u00f6n\u00fcnde bulundurun:<\/p>\n\n\n\n\n\n\n\n\n
    Terim<\/th>\nTan\u0131m<\/th>\n<\/tr>\n<\/thead>\n
    XML Bombas\u0131<\/td>\nKaynaklar\u0131n t\u00fckenmesi i\u00e7in tasarlanm\u0131\u015f yararlan\u0131c\u0131 XML belgesi.<\/td>\n<\/tr>\n
    DOS sald\u0131r\u0131s\u0131<\/td>\nHizmetleri bunaltarak kas\u0131tl\u0131 olarak aksatmaya \u00e7al\u0131\u015fmak.<\/td>\n<\/tr>\n
    K\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m<\/td>\nZarar vermek, istismar etmek veya yetkisiz eri\u015fim elde etmek i\u00e7in tasarlanm\u0131\u015f yaz\u0131l\u0131m.<\/td>\n<\/tr>\n
    XSS Sald\u0131r\u0131s\u0131<\/td>\nK\u00f6t\u00fc ama\u00e7l\u0131 komut dosyalar\u0131 ekleyen Siteler Aras\u0131 Komut Dosyas\u0131 sald\u0131r\u0131s\u0131.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Gelece\u011fe Bak\u0131\u015f ve XML Bombas\u0131yla \u0130lgili Teknolojiler<\/h2>\n

    XML bomba savunmas\u0131n\u0131n gelece\u011fi, geli\u015fmi\u015f ayr\u0131\u015ft\u0131rma algoritmalar\u0131n\u0131, anormallik tespitini ve daha ak\u0131ll\u0131 kaynak tahsisini i\u00e7ermektedir. Yapay zeka ve makine \u00f6\u011freniminin geli\u015fmesiyle birlikte geli\u015fmi\u015f sistemler, XML bombalar\u0131n\u0131 ger\u00e7ek zamanl\u0131 olarak tan\u0131mlay\u0131p etkisiz hale getirebilir.<\/p>\n

    Proxy Sunucular\u0131 ve XML Bombas\u0131n\u0131 Azaltma<\/h2>\n

    OneProxy taraf\u0131ndan sunulanlar gibi proxy sunucular\u0131, XML bombal\u0131 sald\u0131r\u0131lar\u0131n\u0131n azalt\u0131lmas\u0131nda \u00f6nemli bir rol oynar. Proxy sunucular, istemciler ve hedef sunucular aras\u0131nda arac\u0131 g\u00f6revi g\u00f6rerek, gelen XML trafi\u011fini k\u00f6t\u00fc ama\u00e7l\u0131 y\u00fcklere kar\u015f\u0131 denetleyebilir ve filtreleyebilir. Geli\u015fmi\u015f proxy \u00e7\u00f6z\u00fcmleri, XML bombas\u0131 giri\u015fimlerini tan\u0131mak ve engellemek i\u00e7in tehdit alg\u0131lama mekanizmalar\u0131n\u0131 i\u00e7erir ve \u00e7evrimi\u00e7i hizmetlerin g\u00fcvenli\u011fini ve s\u00fcreklili\u011fini sa\u011flar.<\/p>\n

    \u0130lgili Ba\u011flant\u0131lar<\/h2>\n

    XML bombalar\u0131 ve bunlar\u0131n etkileri hakk\u0131nda daha fazla bilgi edinmek i\u00e7in \u015fu kaynaklar\u0131 inceleyin:<\/p>\n