{"id":479635,"date":"2023-08-09T10:42:55","date_gmt":"2023-08-09T10:42:55","guid":{"rendered":""},"modified":"2023-09-05T11:19:16","modified_gmt":"2023-09-05T11:19:16","slug":"web-cache-poisoning","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/web-cache-poisoning\/","title":{"rendered":"\uc6f9 \uce90\uc2dc \uc911\ub3c5"},"content":{"rendered":"<p>\uc6f9 \uce90\uc2dc \uc911\ub3c5\uc740 \uc6f9 \uce90\uc2f1 \uc2dc\uc2a4\ud15c\uc758 \ucde8\uc57d\uc810\uc744 \uc545\uc6a9\ud558\uc5ec \uce90\uc2dc\ub41c \uc751\ub2f5\uc5d0 \uc545\uc131 \ucf58\ud150\uce20\ub97c \uc8fc\uc785\ud558\uc5ec \uc758\uc2ec\ud558\uc9c0 \uc54a\ub294 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc720\ud574\ud55c \ucf58\ud150\uce20\ub97c \uc804\ub2ec\ud558\ub294 \uc815\uad50\ud55c \uc0ac\uc774\ubc84 \uacf5\uaca9\uc785\ub2c8\ub2e4. \uc774 \uae30\uc220\uc740 \uc545\uc131 \ucf54\ub4dc \ud655\uc0b0, \ubbfc\uac10\ud55c \uc815\ubcf4 \ub3c4\uc6a9, \uc11c\ube44\uc2a4 \uc911\ub2e8 \ub4f1 \uc2ec\uac01\ud55c \uacb0\uacfc\ub97c \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud504\ub85d\uc2dc \uc11c\ubc84 \uc81c\uacf5\uc5c5\uccb4\ub85c\uc11c OneProxy\ub294 \uc9c4\ud654\ud558\ub294 \ub514\uc9c0\ud138 \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\uc790\ub97c \ubcf4\ud638\ud560 \uc218 \uc788\ub3c4\ub85d \uc774 \uc704\ud611\uc5d0 \ub300\ud574 \uc0ac\uc6a9\uc790\ub97c \uad50\uc721\ud558\ub294 \uac83\uc774 \uc911\uc694\ud558\ub2e4\ub294 \uc810\uc744 \uc778\uc2dd\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc6f9 \uce90\uc2dc \uc911\ub3c5\uc758 \uae30\uc6d0\uacfc \ucd5c\ucd08 \uc5b8\uae09\uc758 \uc5ed\uc0ac<\/h2>\n<p>\uc6f9 \uce90\uc2dc \uc911\ub3c5 \uae30\uc220\uc740 2008\ub144 Black Hat Europe Conference\uc5d0\uc11c Carlos Bueno\uc640 Jeremiah Grossman\uc774 \ubc1c\ud45c\ud55c &quot;Sliding Window Attacks&quot;\ub77c\ub294 \uc5f0\uad6c \ub17c\ubb38\uc5d0\uc11c \ucc98\uc74c \uc18c\uac1c\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc5f0\uad6c\uc6d0\ub4e4\uc740 \ub300\uc0c1 \uc11c\ubc84\uc640\uc758 \uc9c1\uc811\uc801\uc778 \uc0c1\ud638 \uc791\uc6a9 \uc5c6\uc774 \uc6f9 \uce90\uc2dc\ub97c \ud65c\uc6a9\ud558\uc5ec \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc545\uc131 \ucf58\ud150\uce20\ub97c \uc804\ub2ec\ud558\ub294 \ubc29\ubc95\uc744 \uc2dc\uc5f0\ud588\uc2b5\ub2c8\ub2e4. \uadf8 \uc774\ud6c4\ub85c \uc6f9 \uce90\uc2dc \uc911\ub3c5 \uacf5\uaca9\uc740 \uc9c4\ud654\ud558\uc5ec \uc0ac\uc774\ubc84 \uc704\ud611 \ud658\uacbd\uc5d0\uc11c \ub354\uc6b1 \uc815\uad50\ud574\uc9c0\uace0 \ub110\ub9ac \ud37c\uc84c\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc6f9 \uce90\uc2dc \uc911\ub3c5\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc815\ubcf4\uc785\ub2c8\ub2e4. \uc6f9 \uce90\uc2dc \uc911\ub3c5 \uc8fc\uc81c \ud655\uc7a5<\/h2>\n<p>\uc6f9 \uce90\uc2dc \uc911\ub3c5\uc5d0\ub294 \ud569\ubc95\uc801\uc778 \uc751\ub2f5 \ub300\uc2e0 \uc545\uc131 \ucf58\ud150\uce20\ub97c \uc800\uc7a5\ud558\uace0 \uc81c\uacf5\ud558\uae30 \uc704\ud574 \uc6f9 \uce90\uc2dc\ub97c \uc870\uc791\ud558\ub294 \uac83\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uce90\uc2dc \ud56d\ubaa9\uc744 \uc218\uc815\ud558\uae30 \uc704\ud574 \ub2e4\uc591\ud55c \ucde8\uc57d\uc810\uc744 \ud65c\uc6a9\ud558\uc5ec HTTP \uc694\uccad \ubc0f \uc751\ub2f5 \ud750\ub984\uc744 \uc774\uc6a9\ud569\ub2c8\ub2e4. \uc774 \uacf5\uaca9\uc740 \uc6f9 \uce90\uc2dc\uac00 \uc790\uc8fc \uc694\uccad\ub418\ub294 \ucf58\ud150\uce20\uc758 \ubcf5\uc0ac\ubcf8\uc744 \uc800\uc7a5\ud558\uc5ec \uc11c\ubc84 \ubd80\ud558\ub97c \uc904\uc774\uace0 \uc6f9 \ud398\uc774\uc9c0 \ub85c\ub529 \uc2dc\uac04\uc744 \ud5a5\uc0c1\uc2dc\ud0a8\ub2e4\ub294 \uc0ac\uc2e4\uc744 \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc6f9 \uce90\uc2dc \uc911\ub3c5\uc758 \ub0b4\ubd80 \uad6c\uc870. \uc6f9 \uce90\uc2dc \uc911\ub3c5\uc758 \uc791\ub3d9 \ubc29\uc2dd<\/h2>\n<p>\uc6f9 \uce90\uc2dc \uc911\ub3c5 \uacf5\uaca9\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c \ub2e8\uacc4\ub97c \ub530\ub985\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ubc00\uc218 \uc694\uccad<\/strong>: \uacf5\uaca9\uc790\ub294 \uc694\uccad \ud5e4\ub354\ub97c \uc870\uc791\ud558\uace0 \ud504\ub7f0\ud2b8\uc5d4\ub4dc \ubc0f \ubc31\uc5d4\ub4dc \uc2dc\uc2a4\ud15c\uc774 \uc774\ub7ec\ud55c \ud5e4\ub354\ub97c \ud574\uc11d\ud558\ub294 \ubc29\uc2dd\uc758 \ubcc0\ud615\uc744 \ud65c\uc6a9\ud558\uc5ec \ud2b9\uc218\ud558\uac8c \uc870\uc791\ub41c HTTP \uc694\uccad\uc744 \ub300\uc0c1 \uc11c\ubc84\uc5d0 \ubcf4\ub0c5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uce90\uc2dc \uc911\ub3c5<\/strong>: \uacf5\uaca9\uc790\ub294 \uce90\uc2dc \ud0a4 \uc0dd\uc131\uc758 \ubd88\uc77c\uce58\ub97c \uc774\uc6a9\ud558\uc5ec \uce90\uc2f1 \uc2dc\uc2a4\ud15c\uc744 \uc18d\uc5ec \ud569\ubc95\uc801\uc778 \uc751\ub2f5\uacfc \ud568\uaed8 \uc545\uc131 \ucf58\ud150\uce20\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc545\uc131 \ucf58\ud150\uce20 \uc804\ub2ec<\/strong>: \ud6c4\uc18d \uc0ac\uc6a9\uc790\uac00 \ub3d9\uc77c\ud55c \ucf58\ud150\uce20\ub97c \uc694\uccad\ud558\uba74 \uce90\uc2dc\uc5d0\uc11c \uc911\ub3c5\ub41c \uc751\ub2f5\uc774 \uc81c\uacf5\ub418\uc5b4 \uc0ac\uc6a9\uc790\uc758 \ube0c\ub77c\uc6b0\uc800\ub97c \uc545\uc131 \ucf54\ub4dc\ub85c \uac10\uc5fc\uc2dc\ud0a4\uac70\ub098 \uae30\ud0c0 \uc545\uc758\uc801\uc778 \uc791\uc5c5\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\uc6f9 \uce90\uc2dc \uc911\ub3c5\uc758 \uc8fc\uc694 \ud2b9\uc9d5 \ubd84\uc11d<\/h2>\n<p>\uc6f9 \uce90\uc2dc \uc911\ub3c5\uc758 \uc8fc\uc694 \ud2b9\uc9d5\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\n<p><strong>\uce90\uc2f1 \uba54\ucee4\ub2c8\uc998<\/strong>: \uc6f9 \uce90\uc2dc \uc911\ub3c5\uc740 \uce90\uc2f1 \uba54\ucee4\ub2c8\uc998\uc774 \ucf58\ud150\uce20\ub97c \uc800\uc7a5\ud558\uace0 \uac80\uc0c9\ud558\uc5ec \uc545\uc131 \ud398\uc774\ub85c\ub4dc\ub97c \uc804\ub2ec\ud558\ub294 \ubc29\uc2dd\uc744 \uc545\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ud5e4\ub354 \uc870\uc791<\/strong>: \uacf5\uaca9\uc790\ub294 \uce90\uc2f1 \ubc0f \uc6f9 \uc11c\ubc84 \uc2dc\uc2a4\ud15c\uc744 \uc18d\uc774\uae30 \uc704\ud574 \uad50\ubb18\ud558\uac8c \ud5e4\ub354\ub97c \uc870\uc791\ud558\uc5ec \uac10\uc5fc\ub41c \uce90\uc2dc \ud56d\ubaa9\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc740\ubc00\ud55c \uacf5\uaca9<\/strong>: \uc6f9 \uce90\uc2dc \uc911\ub3c5\uc740 \uc545\uc131 \ucf58\ud150\uce20\uac00 \uce90\uc2dc \ub0b4\uc5d0 \uc228\uaca8\uc838 \uc788\uace0 \ud2b9\uc815 \uc0ac\uc6a9\uc790\uac00 \uc694\uccad\ud560 \ub54c\ub9cc \ud45c\uc2dc\ub418\uae30 \ub54c\ubb38\uc5d0 \ud0d0\uc9c0\ud558\uae30 \uc5b4\ub824\uc6b8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ul>\n<h2>\uc6f9 \uce90\uc2dc \uc911\ub3c5\uc758 \uc720\ud615<\/h2>\n<p>\uc6f9 \uce90\uc2dc \uc911\ub3c5 \uacf5\uaca9\uc744 \uc218\ud589\ud558\ub294 \ub370\ub294 \ub2e4\uc591\ud55c \uae30\uc220\uacfc \uc811\uadfc \ubc29\uc2dd\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc720\ud615\uc758 \ubaa9\ub85d\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc720\ud615<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>HTTP \uc694\uccad \ubc00\uc218<\/strong><\/td>\n<td>\ud504\ub7f0\ud2b8\uc5d4\ub4dc \uc11c\ubc84\uc640 \ubc31\uc5d4\ub4dc \uc11c\ubc84\uc758 \ud5e4\ub354 \ud574\uc11d \ucc28\uc774\ub97c \ud65c\uc6a9\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td><strong>\uce90\uc2dc \ud0a4 \uc870\uc791<\/strong><\/td>\n<td>\uc545\uc131 \ucf58\ud150\uce20\ub97c \ud3ec\ud568\ud558\ub3c4\ub85d \uce90\uc2dc \ud0a4 \uc0dd\uc131 \ud504\ub85c\uc138\uc2a4\ub97c \uc218\uc815\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td><strong>\ub9e4\uac1c\ubcc0\uc218 \uc624\uc5fc<\/strong><\/td>\n<td>\uce90\uc2dc\ub41c \uc751\ub2f5\uc744 \uc624\uc5fc\uc2dc\ud0a4\uae30 \uc704\ud574 URL\uc5d0 \uc545\uc131 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc0bd\uc785\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td><strong>ESI \uc8fc\uc785<\/strong><\/td>\n<td>ESI(Edge Side Contains)\ub97c \uc545\uc6a9\ud558\uc5ec \uce90\uc2dc\ub41c \ud398\uc774\uc9c0\uc5d0 \uc545\uc131 \ucf54\ub4dc\ub97c \uc0bd\uc785\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td><strong>\ucf58\ud150\uce20 \uc2a4\ud478\ud551<\/strong><\/td>\n<td>\ud569\ubc95\uc801\uc778 \uc815\ubcf4\ub85c \uc704\uc7a5\ud55c \uc545\uc131 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud558\uae30 \uc704\ud574 \uce90\uc2dc\ub41c \ucf58\ud150\uce20\ub97c \ubcc0\uc870\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\uc6f9\uce90\uc2dc \ud3ec\uc774\uc988\ub2dd(Web Cache Poisoning) \uc774\uc6a9\ubc29\ubc95\uacfc \uc774\uc6a9\uc5d0 \ub530\ub978 \ubb38\uc81c\uc810 \ubc0f \ud574\uacb0\ubc29\uc548<\/h2>\n<h3>\ucc29\ucde8:<\/h3>\n<p>\uc6f9 \uce90\uc2dc \uc911\ub3c5\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ubaa9\uc801\uc73c\ub85c \ud65c\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uad11\ubc94\uc704\ud55c \uc0ac\uc6a9\uc790\uc5d0\uac8c \ub9ec\uc6e8\uc5b4 \ub610\ub294 \uc545\uc131 \uc2a4\ud06c\ub9bd\ud2b8\ub97c \ud655\uc0b0\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li>\ub85c\uadf8\uc778 \uc790\uaca9 \uc99d\uba85\uc774\ub098 \uae08\uc735 \ub370\uc774\ud130\uc640 \uac19\uc740 \ubbfc\uac10\ud55c \uc815\ubcf4\ub97c \ud6d4\uce69\ub2c8\ub2e4.<\/li>\n<li>\ud53c\uc2f1 \uacf5\uaca9\uc744 \uc218\ud589\ud558\uace0 \uc0ac\uc6a9\uc790\ub97c \uac00\uc9dc \uc6f9\uc0ac\uc774\ud2b8\ub85c \ub9ac\ub514\ub809\uc158\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc624\ub958 \ud398\uc774\uc9c0\ub098 \ub9ac\uc18c\uc2a4\ub97c \ub9ce\uc774 \uc0ac\uc6a9\ud558\ub294 \ucf58\ud150\uce20\ub97c \uc624\uc5fc\uc2dc\ucf1c \uc11c\ube44\uc2a4 \uac70\ubd80(DoS) \uacf5\uaca9\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\uacfc\uc81c\uc640 \uc194\ub8e8\uc158:<\/h3>\n<ul>\n<li><strong>\uac10\uc9c0 \ub09c\uc774\ub3c4<\/strong>: \uc6f9 \uce90\uc2dc \uc911\ub3c5 \uacf5\uaca9\uc740 \uc740\ubc00\ud55c \uc131\uaca9\uc73c\ub85c \uc778\ud574 \ud0d0\uc9c0\ud558\uae30 \uc5b4\ub824\uc6b8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac15\ub825\ud55c \ub85c\uae45 \ubc0f \ubaa8\ub2c8\ud130\ub9c1 \uba54\ucee4\ub2c8\uc998\uc744 \uad6c\ud604\ud558\uba74 \uc758\uc2ec\uc2a4\ub7ec\uc6b4 \uce90\uc2dc \ub3d9\uc791\uc744 \uc2dd\ubcc4\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ud5e4\ub354 \uc0ad\uc81c<\/strong>: \uc6f9 \uc11c\ubc84\ub294 \ub4e4\uc5b4\uc624\ub294 \ud5e4\ub354\ub97c \uc0ad\uc81c\ud558\uace0 \ud504\ub7f0\ud2b8\uc5d4\ub4dc \uc2dc\uc2a4\ud15c\uacfc \ubc31\uc5d4\ub4dc \uc2dc\uc2a4\ud15c \uac04\uc758 \ubd88\uc77c\uce58\ub97c \ubc29\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ubcf4\uc548 \uce90\uc2f1 \uc815\ucc45<\/strong>: \ubcf4\uc548 \uce90\uc2dc \uc81c\uc5b4 \ud5e4\ub354\ub97c \uad6c\ud604\ud558\uba74 \uc911\ub3c5 \uc2dc\ub3c4\uc758 \uc601\ud5a5\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc815\uae30\uac10\uc0ac<\/strong>: \uce90\uc2f1 \uad6c\uc131 \ubc0f \ubcf4\uc548 \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub300\ud55c \uc815\uae30\uc801\uc778 \uac10\uc0ac\ub294 \uc7a0\uc7ac\uc801\uc778 \ucde8\uc57d\uc810\uc744 \uc2dd\ubcc4\ud558\uace0 \uc644\ud654\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc8fc\uc694 \ud2b9\uc9d5 \ubc0f \uae30\ud0c0 \uc720\uc0ac\ud55c \uc6a9\uc5b4\uc640\uc758 \ube44\uad50\ub97c \ud45c\uc640 \ubaa9\ub85d \ud615\ud0dc\ub85c \uc81c\uacf5<\/h2>\n<table>\n<thead>\n<tr>\n<th>\ud2b9\uc131<\/th>\n<th>\uc6f9 \uce90\uc2dc \uc911\ub3c5<\/th>\n<th>XSS(\uad50\ucc28 \uc0ac\uc774\ud2b8 \uc2a4\ud06c\ub9bd\ud305)<\/th>\n<th>SQL \uc8fc\uc785<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\uacf5\uaca9 \uc720\ud615<\/strong><\/td>\n<td>\uce90\uc2f1 \uc2dc\uc2a4\ud15c \uc870\uc791<\/td>\n<td>\uc545\uc131 \uc2a4\ud06c\ub9bd\ud2b8 \uc8fc\uc785<\/td>\n<td>SQL \ucde8\uc57d\uc810 \uc545\uc6a9<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc601\ud5a5<\/strong><\/td>\n<td>\uc545\uc131 \ucf58\ud150\uce20 \uc804\uc1a1<\/td>\n<td>\ube0c\ub77c\uc6b0\uc800 \uae30\ubc18 \uacf5\uaca9<\/td>\n<td>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub370\uc774\ud130 \uc870\uc791<\/td>\n<\/tr>\n<tr>\n<td><strong>\ud45c\uc801<\/strong><\/td>\n<td>\uc6f9 \uce90\uc2f1 \uc778\ud504\ub77c<\/td>\n<td>\uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ubc0f \uc0ac\uc6a9\uc790<\/td>\n<td>\uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub370\uc774\ud130\ubca0\uc774\uc2a4<\/td>\n<\/tr>\n<tr>\n<td><strong>\ubc30\ub2ec \ubc29\ubc95<\/strong><\/td>\n<td>\uce90\uc2dc \uac80\uc0c9\uc744 \ud1b5\ud574<\/td>\n<td>\uc6f9\ud398\uc774\uc9c0\uc5d0 \uc0bd\uc785\ub428<\/td>\n<td>\uc785\ub825 \ud544\ub4dc\ub97c \ud1b5\ud574 \uc0bd\uc785\ub428<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc644\ud654 \uc804\ub7b5<\/strong><\/td>\n<td>\uc801\uc808\ud55c \uce90\uc2f1 \uc815\ucc45<\/td>\n<td>\uc785\ub825 \uac80\uc99d \ubc0f \uc815\ub9ac<\/td>\n<td>\uc900\ube44\ub41c \ubb38 \ubc0f \ud544\ud130<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\uc6f9 \uce90\uc2dc \ud3ec\uc774\uc988\ub2dd\uc5d0 \ub300\ud55c \ubbf8\ub798 \uc804\ub9dd\uacfc \uae30\uc220<\/h2>\n<p>\uae30\uc220\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \uc6f9 \uce90\uc2dc \uc911\ub3c5 \uacf5\uaca9\ub3c4 \ub354\uc6b1 \uc815\uad50\ud574\uc9c8 \uac83\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc704\ud611\uc5d0 \ub300\uc751\ud558\ub824\uba74 \uace0\uae09 \uc6f9 \uce90\uc2f1 \uba54\ucee4\ub2c8\uc998, \ubcf4\uc548 \ud504\ub85c\ud1a0\ucf5c \ubc0f \ud0d0\uc9c0 \uae30\uc220\uc5d0 \ub300\ud55c \uc9c0\uc18d\uc801\uc778 \uc5f0\uad6c \ubc0f \uac1c\ubc1c\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ub610\ud55c \ube44\uc815\uc0c1\uc801\uc778 \uce90\uc2dc \ub3d9\uc791\uc744 \ud0d0\uc9c0\ud558\uae30 \uc704\ud574 \uc778\uacf5 \uc9c0\ub2a5 \ubc0f \uae30\uacc4 \ud559\uc2b5 \uc54c\uace0\ub9ac\uc998\uc744 \ucc44\ud0dd\ud558\uba74 \uc704\ud611 \uc644\ud654\uac00 \ud5a5\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \uc6f9 \uce90\uc2dc \uc911\ub3c5\uacfc \uc5f0\uad00\uc2dc\ud0a4\ub294 \ubc29\ubc95<\/h2>\n<p>\ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \uc758\ub3c4\uce58 \uc54a\uac8c \uc6f9 \uce90\uc2dc \uc911\ub3c5 \uc704\ud5d8\uc744 \uc545\ud654\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub4e4\uc740 \uc0ac\uc6a9\uc790\uc640 \uc6f9 \uc11c\ubc84 \uac04\uc758 \uc911\uac1c\uc790 \uc5ed\ud560\uc744 \ud558\uba70 \uc7a0\uc7ac\uc801\uc73c\ub85c \uc0ac\uc6a9\uc790 \uce21\uc5d0\uc11c \uc751\ub2f5\uc744 \uce90\uc2f1\ud569\ub2c8\ub2e4. \ud504\ub85d\uc2dc \uc11c\ubc84\uac00 \ub4e4\uc5b4\uc624\ub294 \ud5e4\ub354\ub97c \uc801\uc808\ud558\uac8c \uac80\uc99d\ud558\uace0 \uc0ad\uc81c\ud558\uc9c0 \ubabb\ud558\uba74 \uac10\uc5fc\ub41c \uc751\ub2f5\uc744 \uce90\uc2dc\ud558\uc5ec \uc545\uc131 \ucf58\ud150\uce20\ub97c \uc5ec\ub7ec \uc0ac\uc6a9\uc790\uc5d0\uac8c \ubc30\ud3ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud3c9\ud310\uc774 \uc88b\uc740 \ud504\ub85d\uc2dc \uc11c\ubc84 \uc81c\uacf5\uc5c5\uccb4\uc778 OneProxy\ub294 \uc774\ub7ec\ud55c \uc704\ud5d8\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \ud5e4\ub354 \uc720\ud6a8\uc131 \uac80\uc0ac\ub97c \ud3ec\ud568\ud55c \ubcf4\uc548 \uc870\uce58\ub97c \uc6b0\uc120\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<p>\uc6f9 \uce90\uc2dc \uc911\ub3c5\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc744 \ubcf4\ub824\uba74 \ub2e4\uc74c \ub9ac\uc18c\uc2a4\ub97c \uc0b4\ud3b4\ubcf4\uc138\uc694.<\/p>\n<ol>\n<li>OWASP \uc6f9 \uce90\uc2dc \uc911\ub3c5: <a href=\"https:\/\/owasp.org\/www-project-web-cache-poisoning\/\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/owasp.org\/www-project-web-cache-poisoning\/<\/a><\/li>\n<li>\uc6f9 \uce90\uc2dc \uc18d\uc784\uc218 \uacf5\uaca9: <a href=\"https:\/\/portswigger.net\/research\/practical-web-cache-poisoning\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/portswigger.net\/research\/practical-web-cache-poisoning<\/a><\/li>\n<li>\uc6f9 \uce90\uc2dc \uc911\ub3c5 \u2013 \uc77c\ubc18\uc801\uc778 \uc6f9 \ubcf4\uc548 \ubb38\uc81c: <a href=\"https:\/\/www.cloudflare.com\/en-in\/learning\/security\/threats\/web-cache-poisoning\/\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/www.cloudflare.com\/en-in\/learning\/security\/threats\/web-cache-poisoning\/<\/a><\/li>\n<\/ol>\n<p>\uc120\ub3c4\uc801\uc778 \ud504\ub85d\uc2dc \uc11c\ubc84 \uc81c\uacf5\uc5c5\uccb4\uc778 OneProxy\ub294 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc6f9 \uce90\uc2dc \uc911\ub3c5\uacfc \uac19\uc740 \uc7a0\uc7ac\uc801\uc778 \uc704\ud611\uc5d0 \ub300\ud574 \uc54c\ub9ac\uace0 \uc628\ub77c\uc778 \uacbd\ud5d8\uc744 \ubcf4\ud638\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ubcf4\uc548 \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud558\uae30 \uc704\ud574 \ucd5c\uc120\uc744 \ub2e4\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uacbd\uacc4\ud558\uace0 \ubcf4\ud638\ubc1b\uc73c\uc138\uc694!<\/p>","protected":false},"featured_media":479636,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479635","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Web Cache Poisoning: Understanding the Threat and Mitigation Strategies<\/mark>","faq_items":[{"question":"What is Web cache poisoning?","answer":"<p>Web cache poisoning is a sophisticated cyber attack that manipulates web caching systems to deliver malicious content to unsuspecting users. Attackers exploit vulnerabilities in the HTTP request and response flow to inject harmful payloads into cached responses, posing serious risks to website visitors and the integrity of online services.<\/p>"},{"question":"How did Web cache poisoning originate?","answer":"<p>Web cache poisoning techniques were first discussed in a research paper titled \"Sliding Window Attacks\" at the Black Hat Europe Conference in 2008. Since then, the threat has evolved, becoming a prominent and challenging issue in the cybersecurity landscape.<\/p>"},{"question":"How does Web cache poisoning work?","answer":"<p>Web cache poisoning involves a multi-step process. Attackers send manipulated HTTP requests, exploiting inconsistencies between front-end and back-end systems. By tampering with cache key generation, they trick caching mechanisms into storing poisoned content. When other users request the same content, the cache serves the malicious payload, infecting their browsers or causing other harmful actions.<\/p>"},{"question":"What are the key features of Web cache poisoning?","answer":"<p>Key features of Web cache poisoning include its reliance on caching mechanisms, header manipulation, and its covert nature, making it challenging to detect.<\/p>"},{"question":"What types of Web cache poisoning exist?","answer":"<p>There are several types of Web cache poisoning attacks:<\/p><ol><li>HTTP Request Smuggling: Exploits differences in header interpretation to deceive servers.<\/li><li>Cache Key Manipulation: Alters cache key generation to store malicious content.<\/li><li>Parameter Pollution: Injects malicious parameters into URLs to taint cached responses.<\/li><li>ESI Injection: Exploits Edge Side Includes to inject harmful code into cached pages.<\/li><li>Content Spoofing: Tampering cached content to deliver malicious data disguised as legitimate information.<\/li><\/ol>"},{"question":"How can Web cache poisoning be used, and what are the problems and solutions?","answer":"<p>Web cache poisoning can be utilized to spread malware, steal sensitive data, conduct phishing attacks, or even perform DoS attacks. Detecting these attacks can be challenging, but implementing secure caching policies, header sanitization, and regular audits can mitigate the risks.<\/p>"},{"question":"How does Web cache poisoning compare to other threats like XSS and SQL injection?","answer":"<p>Web cache poisoning differs from Cross-Site Scripting (XSS) and SQL Injection in its attack type, target, delivery method, and mitigation strategy. Each threat exploits different vulnerabilities and poses unique risks to web applications and users.<\/p>"},{"question":"What are the perspectives and future technologies related to Web cache poisoning?","answer":"<p>As technology evolves, web cache poisoning attacks may become more sophisticated. Research and development of advanced caching mechanisms, security protocols, and detection techniques will play a crucial role in countering these threats, along with leveraging AI and machine learning for detection.<\/p>"},{"question":"How can proxy servers be associated with Web cache poisoning?","answer":"<p>Proxy servers can inadvertently contribute to Web cache poisoning risks if not properly configured. As intermediaries between users and web servers, they can cache poisoned responses and deliver malicious content to multiple users. To prevent this, reputable proxy server providers like OneProxy implement robust security measures, such as header validation, to minimize risks.<\/p>"},{"question":"Where can I find more information about Web cache poisoning?","answer":"<p>For further information on Web cache poisoning and related security measures, check out the following links:<\/p><ol><li>OWASP Web Cache Poisoning: <a href=\"https:\/\/owasp.org\/www-project-web-cache-poisoning\/\" target=\"_new\">https:\/\/owasp.org\/www-project-web-cache-poisoning\/<\/a><\/li><li>The Web Cache Deception Attack: <a href=\"https:\/\/portswigger.net\/research\/practical-web-cache-poisoning\" target=\"_new\">https:\/\/portswigger.net\/research\/practical-web-cache-poisoning<\/a><\/li><li>Web Cache Poisoning - A Common Web Security Issue: <a href=\"https:\/\/www.cloudflare.com\/en-in\/learning\/security\/threats\/web-cache-poisoning\/\" target=\"_new\">https:\/\/www.cloudflare.com\/en-in\/learning\/security\/threats\/web-cache-poisoning\/<\/a><\/li><\/ol><p>Stay informed and protected with our comprehensive article and expert insights at OneProxy!<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/479635","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/479635\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/479636"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=479635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}