{"id":477856,"date":"2023-08-09T09:21:22","date_gmt":"2023-08-09T09:21:22","guid":{"rendered":""},"modified":"2023-09-05T11:15:34","modified_gmt":"2023-09-05T11:15:34","slug":"local-file-inclusion","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/local-file-inclusion\/","title":{"rendered":"Yerel dosya ekleme"},"content":{"rendered":"<p>Yerel dosya ekleme (LFI), bir sald\u0131rgan\u0131n &quot;nokta-nokta-e\u011fik \u00e7izgi (..\/)&quot; dizileri ve bunlar\u0131n varyasyonlar\u0131yla dosyalara ba\u015fvuran de\u011fi\u015fkenleri de\u011fi\u015ftirebildi\u011fi zaman ortaya \u00e7\u0131kan bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131d\u0131r. Bu, sald\u0131rgan\u0131n kullan\u0131c\u0131lar taraf\u0131ndan eri\u015filmesi ama\u00e7lanmayan dosyalara eri\u015fmesine ve bu dosyalara eri\u015fmesine olanak tan\u0131r.<\/p>\n<h2>Yerel Dosya Eklemenin K\u00f6keninin Tarihi ve \u0130lk S\u00f6z\u00fc<\/h2>\n<p>\u201cYerel Dosya Ekleme\u201d terimi, 2000&#039;li y\u0131llar\u0131n ba\u015f\u0131nda web uygulamalar\u0131n\u0131n ve dinamik i\u00e7eri\u011fin y\u00fckseli\u015fiyle \u00f6ne \u00e7\u0131kt\u0131. G\u00fcvenlik a\u00e7\u0131\u011f\u0131 ilk olarak \u00e7e\u015fitli g\u00fcvenlik forumlar\u0131nda ve posta listelerinde kamuya a\u00e7\u0131k olarak tart\u0131\u015f\u0131ld\u0131; burada uzmanlar, yetkisiz dosya eri\u015fimine izin veren, kullan\u0131c\u0131 taraf\u0131ndan sa\u011flanan girdinin uygunsuz \u015fekilde do\u011frulanmas\u0131yla ili\u015fkili riskleri belirlemeye ba\u015flad\u0131.<\/p>\n<h2>Yerel Dosya Ekleme Hakk\u0131nda Detayl\u0131 Bilgi: Konuyu Geni\u015fletmek<\/h2>\n<p>Yerel dosya ekleme, \u00f6zellikle bir sald\u0131rgan\u0131n rastgele kod y\u00fcr\u00fctebilece\u011fi uzaktan dosya eklemeye (RFI) yol a\u00e7\u0131yorsa ciddi bir g\u00fcvenlik riski olu\u015fturabilir. LFI, PHP, JSP, ASP vb. gibi \u00e7e\u015fitli web uygulama \u00e7er\u00e7evelerinde ortaya \u00e7\u0131kabilir.<\/p>\n<h3>LFI&#039;nin nedenleri:<\/h3>\n<ul>\n<li>Uygun giri\u015f do\u011frulama eksikli\u011fi<\/li>\n<li>Yanl\u0131\u015f yap\u0131land\u0131r\u0131lm\u0131\u015f web sunucular\u0131<\/li>\n<li>G\u00fcvenli olmayan kodlama uygulamalar\u0131<\/li>\n<\/ul>\n<h3>LFI&#039;nin Etkisi:<\/h3>\n<ul>\n<li>Dosyalara yetkisiz eri\u015fim<\/li>\n<li>Hassas bilgilerin s\u0131zmas\u0131<\/li>\n<li>Kod y\u00fcr\u00fctme gibi daha fazla yararlanma potansiyeli<\/li>\n<\/ul>\n<h2>Yerel Dosya Eklemenin \u0130\u00e7 Yap\u0131s\u0131: Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n<p>LFI genellikle bir web uygulamas\u0131n\u0131n y\u00fcr\u00fctme i\u00e7in bir dosya yolu olu\u015fturmak amac\u0131yla kullan\u0131c\u0131 taraf\u0131ndan sa\u011flanan giri\u015fi kullanmas\u0131 durumunda ortaya \u00e7\u0131kar.<\/p>\n<ol>\n<li><strong>Kullan\u0131c\u0131 Giri\u015fi<\/strong>: Sald\u0131rgan giri\u015f parametrelerini de\u011fi\u015ftirir.<\/li>\n<li><strong>Dosya Yolu Olu\u015fturma<\/strong>: Uygulama, de\u011fi\u015ftirilen giri\u015fi kullanarak dosya yolunu olu\u015fturur.<\/li>\n<li><strong>Dosya Ekleme<\/strong>: Uygulama, olu\u015fturulan dosya yolunu ve dolay\u0131s\u0131yla istenmeyen dosyay\u0131 i\u00e7erir.<\/li>\n<\/ol>\n<h2>Yerel Dosya Eklemenin Temel \u00d6zelliklerinin Analizi<\/h2>\n<ul>\n<li><strong>Yolun Manip\u00fclasyonu<\/strong>: Sald\u0131rgan, yollar\u0131 de\u011fi\u015ftirerek k\u0131s\u0131tl\u0131 dosyalara eri\u015febilir.<\/li>\n<li><strong>Potansiyel Art\u0131\u015f<\/strong>: LFI, RFI&#039;ye ve hatta kod y\u00fcr\u00fct\u00fclmesine yol a\u00e7abilir.<\/li>\n<li><strong>Sunucu Yap\u0131land\u0131rmas\u0131na Ba\u011f\u0131ml\u0131l\u0131k<\/strong>: Belirli yap\u0131land\u0131rmalar LFI riskini \u00f6nleyebilir veya en aza indirebilir.<\/li>\n<\/ul>\n<h2>Yerel Dosya Ekleme T\u00fcrleri: Tablolar\u0131 ve Listeleri Kullan\u0131n<\/h2>\n<table>\n<thead>\n<tr>\n<th>Tip<\/th>\n<th>Tan\u0131m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Temel LFI<\/td>\n<td>Manip\u00fcle edilmi\u015f giri\u015f yoluyla yerel dosyalar\u0131n do\u011frudan dahil edilmesi<\/td>\n<\/tr>\n<tr>\n<td>LFI&#039;den RFI&#039;ye d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fc<\/td>\n<td>Uzaktan dosya eklemeye yol a\u00e7mak i\u00e7in LFI kullanma<\/td>\n<\/tr>\n<tr>\n<td>Kod Y\u00fcr\u00fctme ile LFI<\/td>\n<td>LFI arac\u0131l\u0131\u011f\u0131yla kod y\u00fcr\u00fct\u00fclmesini sa\u011flama<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Yerel Dosya Eklemeyi Kullanma Yollar\u0131, Sorunlar ve \u00c7\u00f6z\u00fcmleri<\/h2>\n<h3>Kullan\u0131m Yollar\u0131:<\/h3>\n<ul>\n<li>Sistem g\u00fcvenli\u011fini test etme<\/li>\n<li>G\u00fcvenlik a\u00e7\u0131\u011f\u0131 de\u011ferlendirmesi i\u00e7in etik hackleme<\/li>\n<\/ul>\n<h3>Sorunlar:<\/h3>\n<ul>\n<li>Yetkisiz Eri\u015fim<\/li>\n<li>Veri s\u0131z\u0131nt\u0131s\u0131<\/li>\n<li>Sistem uzla\u015fmas\u0131<\/li>\n<\/ul>\n<h3>\u00c7\u00f6z\u00fcmler:<\/h3>\n<ul>\n<li>Giri\u015f do\u011frulama<\/li>\n<li>G\u00fcvenli kodlama uygulamalar\u0131<\/li>\n<li>D\u00fczenli g\u00fcvenlik denetimleri<\/li>\n<\/ul>\n<h2>Ana \u00d6zellikler ve Benzer Terimlerle Di\u011fer Kar\u015f\u0131la\u015ft\u0131rmalar<\/h2>\n<table>\n<thead>\n<tr>\n<th>Terim<\/th>\n<th>\u00d6zellikler<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>LFI<\/td>\n<td>Yerel dosya eri\u015fimi<\/td>\n<\/tr>\n<tr>\n<td>RFI<\/td>\n<td>Uzaktan dosya eri\u015fimi<\/td>\n<\/tr>\n<tr>\n<td>Dizin Ge\u00e7i\u015fi<\/td>\n<td>LFI&#039;ye benzer ancak kapsam\u0131 daha geni\u015ftir<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Yerel Dosya Eklemeye \u0130li\u015fkin Gelece\u011fin Perspektifleri ve Teknolojileri<\/h2>\n<ul>\n<li><strong>Geli\u015fmi\u015f G\u00fcvenlik Mekanizmalar\u0131<\/strong>: LFI&#039;yi \u00f6nlemeye y\u00f6nelik yeni \u00e7er\u00e7eveler ve ara\u00e7lar.<\/li>\n<li><strong>Yapay Zeka Odakl\u0131 \u0130zleme<\/strong>: Potansiyel LFI sald\u0131r\u0131lar\u0131n\u0131 tespit etmek ve \u00f6nlemek i\u00e7in yapay zekan\u0131n kullan\u0131lmas\u0131.<\/li>\n<li><strong>Yasal \u00c7er\u00e7eveler<\/strong>: Siber g\u00fcvenli\u011fi y\u00f6netecek olas\u0131 yasal sonu\u00e7lar ve d\u00fczenlemeler.<\/li>\n<\/ul>\n<h2>Proxy Sunucular\u0131 Nas\u0131l Kullan\u0131labilir veya Yerel Dosya Eklemeyle Nas\u0131l \u0130li\u015fkilendirilebilir?<\/h2>\n<p>OneProxy gibi proxy sunucular, LFI&#039;ye yol a\u00e7abilecek istekleri izlemek ve filtrelemek i\u00e7in bir g\u00fcvenlik katman\u0131 olarak kullan\u0131labilir. Proxy sunucular, uygun yap\u0131land\u0131rma, g\u00fcnl\u00fck kayd\u0131 ve tarama yoluyla bu t\u00fcr g\u00fcvenlik a\u00e7\u0131klar\u0131na kar\u015f\u0131 ekstra koruma d\u00fczeyi sa\u011flayabilir.<\/p>\n<h2>\u0130lgili Ba\u011flant\u0131lar<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.owasp.org\/index.php\/Testing_for_Local_File_Inclusion\" target=\"_new\" rel=\"noopener nofollow\">OWASP LFI K\u0131lavuzu<\/a><\/li>\n<li><a href=\"https:\/\/cwe.mitre.org\/data\/definitions\/98.html\" target=\"_new\" rel=\"noopener nofollow\">LFI i\u00e7in Ortak Zay\u0131fl\u0131k Say\u0131m\u0131 (CWE)<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/tr\/\" target=\"_new\" rel=\"noopener\">OneProxy G\u00fcvenlik Hizmetleri<\/a><\/li>\n<\/ul>\n<p>(Not: L\u00fctfen makaleyi yay\u0131nlamadan \u00f6nce t\u00fcm ba\u011flant\u0131lar\u0131n ve bilgilerin OneProxy hizmetleri ve politikalar\u0131yla uyumlu oldu\u011fundan emin olun.)<\/p>","protected":false},"featured_media":477857,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477856","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Local File Inclusion: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is Local File Inclusion (LFI)?","answer":"<p>Local File Inclusion (LFI) is a security vulnerability that arises when an attacker manipulates input variables containing \"..\/\" sequences to access and include files not intended for public access. This flaw can lead to unauthorized file access and potential exploitation.<\/p>"},{"question":"How did Local File Inclusion (LFI) emerge?","answer":"<p>LFI gained attention in the early 2000s with the proliferation of dynamic web applications. Security experts began discussing this vulnerability on various forums and mailing lists as they identified risks associated with improper validation of user-supplied input.<\/p>"},{"question":"What are the main characteristics of Local File Inclusion (LFI)?","answer":"<p>The key features of LFI include the ability to manipulate file paths, potential escalation to remote file inclusion (RFI) or code execution, and its dependence on server configurations.<\/p>"},{"question":"What are the different types of Local File Inclusion (LFI)?","answer":"<p>LFI can manifest in various ways, including basic LFI where local files are directly accessed, LFI leading to RFI, and LFI exploited for code execution.<\/p>"},{"question":"How does Local File Inclusion (LFI) work?","answer":"<p>LFI occurs when a web application constructs a file path using user-supplied input, which is manipulated by the attacker. This leads to the inclusion of unintended files.<\/p>"},{"question":"What are the potential problems caused by Local File Inclusion (LFI)?","answer":"<p>LFI can result in unauthorized access to sensitive files, leakage of confidential information, and even system compromise if combined with code execution.<\/p>"},{"question":"How can Local File Inclusion (LFI) be prevented?","answer":"<p>To mitigate LFI risks, developers must implement proper input validation, adhere to secure coding practices, and conduct regular security audits.<\/p>"},{"question":"How can proxy servers like OneProxy be associated with Local File Inclusion (LFI)?","answer":"<p>Proxy servers, like OneProxy, can enhance security against LFI by monitoring and filtering requests that may lead to such vulnerabilities, adding an extra layer of protection to web applications.<\/p>"},{"question":"What does the future hold for Local File Inclusion (LFI) prevention?","answer":"<p>As technology evolves, we can expect advanced security mechanisms, AI-driven monitoring, and potential legal frameworks to address LFI risks and enhance web application security.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/477856","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/477856\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media\/477857"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media?parent=477856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}