{"id":479462,"date":"2023-08-09T10:40:25","date_gmt":"2023-08-09T10:40:25","guid":{"rendered":""},"modified":"2023-09-05T11:18:54","modified_gmt":"2023-09-05T11:18:54","slug":"url-injection","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/url-injection\/","title":{"rendered":"ch\u00e8n URL"},"content":{"rendered":"<p>Ch\u00e8n URL, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ch\u00e8n URI ho\u1eb7c thao t\u00e1c \u0111\u01b0\u1eddng d\u1eabn, l\u00e0 m\u1ed9t lo\u1ea1i l\u1ed7 h\u1ed5ng web x\u1ea3y ra khi k\u1ebb t\u1ea5n c\u00f4ng thao t\u00fang B\u1ed9 \u0111\u1ecbnh v\u1ecb t\u00e0i nguy\u00ean th\u1ed1ng nh\u1ea5t (URL) c\u1ee7a trang web \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i. H\u00ecnh th\u1ee9c t\u1ea5n c\u00f4ng m\u1ea1ng n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn truy c\u1eadp tr\u00e1i ph\u00e9p, \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u v\u00e0 th\u1ef1c thi m\u00e3 \u0111\u1ed9c. N\u00f3 g\u00e2y ra m\u1ed1i \u0111e d\u1ecda \u0111\u00e1ng k\u1ec3 cho c\u00e1c \u1ee9ng d\u1ee5ng web v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng cho c\u1ea3 ng\u01b0\u1eddi d\u00f9ng v\u00e0 ch\u1ee7 s\u1edf h\u1eefu trang web.<\/p>\n<h2>L\u1ecbch s\u1eed v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a vi\u1ec7c ch\u00e8n URL v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n<p>Vi\u1ec7c ti\u00eam URL \u0111\u00e3 l\u00e0 m\u1ed9t m\u1ed1i lo ng\u1ea1i k\u1ec3 t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a Internet khi c\u00e1c trang web b\u1eaft \u0111\u1ea7u tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn. L\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c ti\u00eam URL v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u01b0\u01a1ng t\u1ef1 c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb cu\u1ed1i nh\u1eefng n\u0103m 1990 khi c\u00e1c \u1ee9ng d\u1ee5ng web tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn h\u01a1n v\u00e0 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n web b\u1eaft \u0111\u1ea7u nh\u1eadn ra nh\u1eefng r\u1ee7i ro b\u1ea3o m\u1eadt ti\u1ec1m \u1ea9n li\u00ean quan \u0111\u1ebfn thao t\u00e1c URL.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 vi\u1ec7c ch\u00e8n URL: M\u1edf r\u1ed9ng vi\u1ec7c ch\u00e8n URL ch\u1ee7 \u0111\u1ec1<\/h2>\n<p>Vi\u1ec7c ch\u00e8n URL li\u00ean quan \u0111\u1ebfn vi\u1ec7c thao t\u00fang c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a URL \u0111\u1ec3 v\u01b0\u1ee3t qua c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt ho\u1eb7c gi\u00e0nh quy\u1ec1n truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o t\u00e0i nguy\u00ean c\u1ee7a trang web. Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng th\u01b0\u1eddng khai th\u00e1c l\u1ed7 h\u1ed5ng trong \u1ee9ng d\u1ee5ng web \u0111\u1ec3 thay \u0111\u1ed5i tham s\u1ed1, \u0111\u01b0\u1eddng d\u1eabn ho\u1eb7c chu\u1ed7i truy v\u1ea5n c\u1ee7a URL. C\u00e1c URL b\u1ecb thao t\u00fang c\u00f3 th\u1ec3 l\u1eeba m\u00e1y ch\u1ee7 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng ngo\u00e0i \u00fd mu\u1ed1n, ch\u1eb3ng h\u1ea1n nh\u01b0 ti\u1ebft l\u1ed9 th\u00f4ng tin nh\u1ea1y c\u1ea3m, th\u1ef1c thi m\u00e3 t\u00f9y \u00fd ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng tr\u00e1i ph\u00e9p.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a vi\u1ec7c ch\u00e8n URL: C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi\u1ec7c ch\u00e8n URL<\/h2>\n<p>URL th\u01b0\u1eddng c\u00f3 c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p, bao g\u1ed3m nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c nhau nh\u01b0 giao th\u1ee9c (v\u00ed d\u1ee5: \u201chttp:\/\/\u201d ho\u1eb7c \u201chttps:\/\/\u201d), t\u00ean mi\u1ec1n, \u0111\u01b0\u1eddng d\u1eabn, tham s\u1ed1 truy v\u1ea5n v\u00e0 c\u00e1c \u0111o\u1ea1n. Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt nh\u01b0 m\u00e3 h\u00f3a URL, m\u00e3 h\u00f3a URL k\u00e9p v\u00e0 b\u1ecf qua x\u00e1c th\u1ef1c \u0111\u1ea7u v\u00e0o \u0111\u1ec3 s\u1eeda \u0111\u1ed5i c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y v\u00e0 \u0111\u01b0a d\u1eef li\u1ec7u \u0111\u1ed9c h\u1ea1i v\u00e0o URL.<\/p>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ch\u00e8n URL c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng c\u00e1c l\u1ed7 h\u1ed5ng trong m\u00e3 c\u1ee7a \u1ee9ng d\u1ee5ng, x\u1eed l\u00fd th\u00f4ng tin \u0111\u1ea7u v\u00e0o c\u1ee7a ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng \u0111\u00fang c\u00e1ch ho\u1eb7c thi\u1ebfu x\u00e1c th\u1ef1c \u0111\u1ea7u v\u00e0o. Do \u0111\u00f3, URL b\u1ecb thao t\u00fang c\u00f3 th\u1ec3 \u0111\u00e1nh l\u1eeba \u1ee9ng d\u1ee5ng th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng ngo\u00e0i \u00fd mu\u1ed1n, c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn \u0111\u1ebfn vi ph\u1ea1m b\u1ea3o m\u1eadt nghi\u00eam tr\u1ecdng.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a vi\u1ec7c ch\u00e8n URL<\/h2>\n<p>M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a vi\u1ec7c ch\u00e8n URL bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Khai th\u00e1c \u0111\u1ea7u v\u00e0o c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/strong>: Vi\u1ec7c ch\u00e8n URL th\u01b0\u1eddng d\u1ef1a v\u00e0o vi\u1ec7c khai th\u00e1c th\u00f4ng tin \u0111\u1ea7u v\u00e0o do ng\u01b0\u1eddi d\u00f9ng cung c\u1ea5p \u0111\u1ec3 t\u1ea1o ra c\u00e1c URL \u0111\u1ed9c h\u1ea1i. D\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 tham s\u1ed1 truy v\u1ea5n, tr\u01b0\u1eddng bi\u1ec3u m\u1eabu ho\u1eb7c cookie.<\/p>\n<\/li>\n<li>\n<p><strong>M\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3<\/strong>: Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e3 h\u00f3a URL ho\u1eb7c m\u00e3 h\u00f3a URL k\u00e9p \u0111\u1ec3 l\u00e0m x\u00e1o tr\u1ed9n c\u00e1c t\u1ea3i tr\u1ecdng \u0111\u1ed9c h\u1ea1i v\u00e0 b\u1ecf qua c\u00e1c b\u1ed9 l\u1ecdc b\u1ea3o m\u1eadt.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110i\u1ec3m ti\u00eam<\/strong>: Vi\u1ec7c ch\u00e8n URL c\u00f3 th\u1ec3 nh\u1eafm m\u1ee5c ti\u00eau v\u00e0o c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a URL, bao g\u1ed3m giao th\u1ee9c, mi\u1ec1n, \u0111\u01b0\u1eddng d\u1eabn ho\u1eb7c tham s\u1ed1 truy v\u1ea5n, t\u00f9y thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf v\u00e0 l\u1ed7 h\u1ed5ng c\u1ee7a \u1ee9ng d\u1ee5ng.<\/p>\n<\/li>\n<li>\n<p><strong>Vector t\u1ea5n c\u00f4ng \u0111a d\u1ea1ng<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ch\u00e8n URL c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u h\u00ecnh th\u1ee9c kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ea1o t\u1eadp l\u1ec7nh ch\u00e9o trang (XSS), ch\u00e8n SQL v\u00e0 th\u1ef1c thi m\u00e3 t\u1eeb xa, t\u00f9y thu\u1ed9c v\u00e0o l\u1ed7 h\u1ed5ng c\u1ee7a \u1ee9ng d\u1ee5ng web.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ed7 h\u1ed5ng theo ng\u1eef c\u1ea3nh c\u1ee5 th\u1ec3<\/strong>: T\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c ch\u00e8n URL ph\u1ee5 thu\u1ed9c v\u00e0o ng\u1eef c\u1ea3nh s\u1eed d\u1ee5ng URL b\u1ecb thao t\u00fang. M\u1ed9t URL d\u01b0\u1eddng nh\u01b0 v\u00f4 h\u1ea1i c\u00f3 th\u1ec3 tr\u1edf n\u00ean nguy hi\u1ec3m n\u1ebfu n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u1eef c\u1ea3nh c\u1ee5 th\u1ec3 trong \u1ee9ng d\u1ee5ng.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c ki\u1ec3u ch\u00e8n URL<\/h2>\n<p>Vi\u1ec7c ch\u00e8n URL bao g\u1ed3m m\u1ed9t s\u1ed1 lo\u1ea1i t\u1ea5n c\u00f4ng kh\u00e1c nhau, m\u1ed7i lo\u1ea1i c\u00f3 tr\u1ecdng t\u00e2m v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee5 th\u1ec3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch c\u00e1c ki\u1ec3u ch\u00e8n URL ph\u1ed5 bi\u1ebfn:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Thao t\u00e1c \u0111\u01b0\u1eddng d\u1eabn<\/td>\n<td>S\u1eeda \u0111\u1ed5i ph\u1ea7n \u0111\u01b0\u1eddng d\u1eabn c\u1ee7a URL \u0111\u1ec3 truy c\u1eadp t\u00e0i nguy\u00ean tr\u00e1i ph\u00e9p ho\u1eb7c b\u1ecf qua b\u1ea3o m\u1eadt.<\/td>\n<\/tr>\n<tr>\n<td>Thao t\u00e1c chu\u1ed7i truy v\u1ea5n<\/td>\n<td>Thay \u0111\u1ed5i tham s\u1ed1 truy v\u1ea5n \u0111\u1ec3 thay \u0111\u1ed5i h\u00e0nh vi \u1ee9ng d\u1ee5ng ho\u1eb7c truy c\u1eadp th\u00f4ng tin nh\u1ea1y c\u1ea3m.<\/td>\n<\/tr>\n<tr>\n<td>Thao t\u00e1c giao th\u1ee9c<\/td>\n<td>Thay th\u1ebf giao th\u1ee9c trong URL \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u01b0 v\u01b0\u1ee3t qua HTTPS.<\/td>\n<\/tr>\n<tr>\n<td>Ch\u00e8n HTML\/t\u1eadp l\u1ec7nh<\/td>\n<td>Ti\u00eam HTML ho\u1eb7c t\u1eadp l\u1ec7nh v\u00e0o URL \u0111\u1ec3 th\u1ef1c thi m\u00e3 \u0111\u1ed9c tr\u00ean tr\u00ecnh duy\u1ec7t c\u1ee7a n\u1ea1n nh\u00e2n.<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea5n c\u00f4ng truy\u1ec1n t\u1ea3i th\u01b0 m\u1ee5c<\/td>\n<td>S\u1eed d\u1ee5ng chu\u1ed7i \u201c..\/\u201d \u0111\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn c\u00e1c th\u01b0 m\u1ee5c b\u00ean ngo\u00e0i th\u01b0 m\u1ee5c g\u1ed1c c\u1ee7a \u1ee9ng d\u1ee5ng web.<\/td>\n<\/tr>\n<tr>\n<td>Gi\u1ea3 m\u1ea1o th\u00f4ng s\u1ed1<\/td>\n<td>Thay \u0111\u1ed5i tham s\u1ed1 URL \u0111\u1ec3 s\u1eeda \u0111\u1ed5i h\u00e0nh vi \u1ee9ng d\u1ee5ng ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng tr\u00e1i ph\u00e9p.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng t\u00ednh n\u0103ng ch\u00e8n URL, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<p>Vi\u1ec7c ch\u00e8n URL c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau, m\u1ed9t s\u1ed1 trong \u0111\u00f3 bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Truy c\u1eadp tr\u00e1i ph\u00e9p<\/strong>: K\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 thao t\u00fang URL \u0111\u1ec3 gi\u00e0nh quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c khu v\u1ef1c b\u1ecb h\u1ea1n ch\u1ebf c\u1ee7a trang web, xem d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng qu\u1ea3n tr\u1ecb.<\/p>\n<\/li>\n<li>\n<p><strong>Gi\u1ea3 m\u1ea1o d\u1eef li\u1ec7u<\/strong>: Vi\u1ec7c ch\u00e8n URL c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1eeda \u0111\u1ed5i c\u00e1c tham s\u1ed1 truy v\u1ea5n v\u00e0 thao t\u00e1c d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u00e1y ch\u1ee7, d\u1eabn \u0111\u1ebfn nh\u1eefng thay \u0111\u1ed5i tr\u00e1i ph\u00e9p v\u1ec1 tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1eadp l\u1ec7nh ch\u00e9o trang (XSS)<\/strong>: C\u00e1c t\u1eadp l\u1ec7nh \u0111\u1ed9c h\u1ea1i \u0111\u01b0\u1ee3c ch\u00e8n qua URL c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c thi trong b\u1ed1i c\u1ea3nh tr\u00ecnh duy\u1ec7t c\u1ee7a n\u1ea1n nh\u00e2n, cho ph\u00e9p k\u1ebb t\u1ea5n c\u00f4ng \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng thay m\u1eb7t h\u1ecd.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o<\/strong>: Vi\u1ec7c ch\u00e8n URL c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o c\u00e1c URL l\u1eeba \u0111\u1ea3o b\u1eaft ch\u01b0\u1edbc c\u00e1c trang web h\u1ee3p ph\u00e1p, l\u1eeba ng\u01b0\u1eddi d\u00f9ng ti\u1ebft l\u1ed9 th\u00f4ng tin x\u00e1c th\u1ef1c ho\u1eb7c th\u00f4ng tin c\u00e1 nh\u00e2n c\u1ee7a h\u1ecd.<\/p>\n<\/li>\n<\/ol>\n<p>\u0110\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro li\u00ean quan \u0111\u1ebfn vi\u1ec7c ch\u00e8n URL, nh\u00e0 ph\u00e1t tri\u1ec3n web n\u00ean \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p m\u00e3 h\u00f3a an to\u00e0n, tri\u1ec3n khai x\u00e1c th\u1ef1c \u0111\u1ea7u v\u00e0o v\u00e0 m\u00e3 h\u00f3a \u0111\u1ea7u ra, \u0111\u1ed3ng th\u1eddi tr\u00e1nh ti\u1ebft l\u1ed9 th\u00f4ng tin nh\u1ea1y c\u1ea3m trong URL. Ki\u1ec3m tra v\u00e0 ki\u1ec3m tra b\u1ea3o m\u1eadt th\u01b0\u1eddng xuy\u00ean, bao g\u1ed3m qu\u00e9t l\u1ed7 h\u1ed5ng v\u00e0 ki\u1ec3m tra th\u00e2m nh\u1eadp, c\u00f3 th\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c l\u1ed7 h\u1ed5ng ti\u1ec1m \u1ea9n.<\/p>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>Vi\u1ec7c ch\u00e8n URL c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 b\u1ea3o m\u1eadt \u1ee9ng d\u1ee5ng web kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u00e8n SQL v\u00e0 t\u1eadp l\u1ec7nh ch\u00e9o trang. M\u1eb7c d\u00f9 t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7 h\u1ed5ng n\u00e0y \u0111\u1ec1u li\u00ean quan \u0111\u1ebfn vi\u1ec7c khai th\u00e1c th\u00f4ng tin \u0111\u1ea7u v\u00e0o c\u1ee7a ng\u01b0\u1eddi d\u00f9ng nh\u01b0ng ch\u00fang kh\u00e1c nhau v\u1ec1 c\u00e1c h\u01b0\u1edbng t\u1ea5n c\u00f4ng v\u00e0 h\u1eadu qu\u1ea3:<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ch\u00e8n URL<\/td>\n<td>Thao t\u00e1c URL \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng tr\u00e1i ph\u00e9p ho\u1eb7c gi\u00e0nh quy\u1ec1n truy c\u1eadp v\u00e0o d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m.<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eam SQL<\/td>\n<td>Khai th\u00e1c c\u00e1c truy v\u1ea5n SQL \u0111\u1ec3 thao t\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u, ti\u1ec1m \u1ea9n nguy c\u01a1 r\u00f2 r\u1ec9 d\u1eef li\u1ec7u.<\/td>\n<\/tr>\n<tr>\n<td>T\u1eadp l\u1ec7nh ch\u00e9o trang<\/td>\n<td>\u0110\u01b0a c\u00e1c t\u1eadp l\u1ec7nh \u0111\u1ed9c h\u1ea1i v\u00e0o c\u00e1c trang web \u0111\u01b0\u1ee3c ng\u01b0\u1eddi d\u00f9ng kh\u00e1c xem \u0111\u1ec3 l\u1ea5y c\u1eafp d\u1eef li\u1ec7u ho\u1eb7c ki\u1ec3m so\u00e1t h\u00e0nh \u0111\u1ed9ng c\u1ee7a h\u1ecd.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Trong khi vi\u1ec7c ti\u00eam URL ch\u1ee7 y\u1ebfu nh\u1eafm v\u00e0o c\u1ea5u tr\u00fac URL th\u00ec vi\u1ec7c ti\u00eam SQL t\u1eadp trung v\u00e0o c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng b\u1eb1ng t\u1eadp l\u1ec7nh ch\u00e9o trang s\u1ebd thao t\u00fang c\u00e1ch c\u00e1c trang web \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng. T\u1ea5t c\u1ea3 nh\u1eefng l\u1ed7 h\u1ed5ng n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t c\u1ea9n th\u1eadn v\u00e0 c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c khai th\u00e1c.<\/p>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn vi\u1ec7c ti\u00eam URL<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n, b\u1ed1i c\u1ea3nh c\u1ee7a c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt web c\u0169ng t\u0103ng theo, bao g\u1ed3m c\u1ea3 vi\u1ec7c ch\u00e8n URL. T\u01b0\u01a1ng lai c\u00f3 th\u1ec3 ch\u1ee9ng ki\u1ebfn s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c c\u01a1 ch\u1ebf v\u00e0 c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt ti\u00ean ti\u1ebfn \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ch\u00e8n URL trong th\u1eddi gian th\u1ef1c. C\u00e1c thu\u1eadt to\u00e1n h\u1ecdc m\u00e1y v\u00e0 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web \u0111\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 th\u00edch \u1ee9ng ch\u1ed1ng l\u1ea1i c\u00e1c vect\u01a1 t\u1ea5n c\u00f4ng \u0111ang ph\u00e1t tri\u1ec3n.<\/p>\n<p>H\u01a1n n\u1eefa, vi\u1ec7c n\u00e2ng cao nh\u1eadn th\u1ee9c v\u00e0 gi\u00e1o d\u1ee5c v\u1ec1 vi\u1ec7c ti\u00eam URL v\u00e0 b\u1ea3o m\u1eadt \u1ee9ng d\u1ee5ng web gi\u1eefa c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n, ch\u1ee7 s\u1edf h\u1eefu trang web v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3m m\u1ee9c \u0111\u1ed9 ph\u1ed5 bi\u1ebfn c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy ho\u1eb7c li\u00ean k\u1ebft v\u1edbi vi\u1ec7c ch\u00e8n URL<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 c\u00f3 c\u1ea3 t\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c v\u00e0 ti\u00eau c\u1ef1c li\u00ean quan \u0111\u1ebfn vi\u1ec7c ti\u00eam URL. M\u1ed9t m\u1eb7t, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 b\u1ed5 sung ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ch\u00e8n URL. H\u1ecd c\u00f3 th\u1ec3 l\u1ecdc v\u00e0 ki\u1ec3m tra c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn, ch\u1eb7n c\u00e1c URL v\u00e0 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i tr\u01b0\u1edbc khi ch\u00fang \u0111\u1ebfn m\u00e1y ch\u1ee7 web m\u1ee5c ti\u00eau.<\/p>\n<p>M\u1eb7t kh\u00e1c, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 l\u1ea1m d\u1ee5ng m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 che gi\u1ea5u danh t\u00ednh v\u00e0 l\u00e0m x\u00e1o tr\u1ed9n ngu\u1ed3n t\u1ea5n c\u00f4ng ti\u00eam URL. B\u1eb1ng c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u c\u1ee7a h\u1ecd th\u00f4ng qua m\u00e1y ch\u1ee7 proxy, nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n cho qu\u1ea3n tr\u1ecb vi\u00ean trang web trong vi\u1ec7c truy t\u00ecm ngu\u1ed3n g\u1ed1c c\u1ee7a ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i.<\/p>\n<p>C\u00e1c nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy (oneproxy.pro) \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec t\u00ednh b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, nh\u01b0ng h\u1ecd c\u0169ng n\u00ean tri\u1ec3n khai c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd \u0111\u1ec3 ng\u0103n ch\u1eb7n d\u1ecbch v\u1ee5 c\u1ee7a h\u1ecd b\u1ecb l\u1ea1m d\u1ee5ng cho m\u1ee5c \u0111\u00edch x\u1ea5u.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 vi\u1ec7c ch\u00e8n URL v\u00e0 b\u1ea3o m\u1eadt \u1ee9ng d\u1ee5ng web, h\u00e3y tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li>OWASP (D\u1ef1 \u00e1n b\u1ea3o m\u1eadt \u1ee9ng d\u1ee5ng web m\u1edf): <a href=\"https:\/\/owasp.org\/www-community\/attacks\/Path_Traversal\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/owasp.org\/www-community\/attacks\/Path_Traversal<\/a><\/li>\n<li>W3schools \u2013 M\u00e3 h\u00f3a URL: <a href=\"https:\/\/www.w3schools.com\/tags\/ref_urlencode.ASP\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/www.w3schools.com\/tags\/ref_urlencode.ASP<\/a><\/li>\n<li>Acunetix \u2013 Truy\u1ec1n t\u1ea3i \u0111\u01b0\u1eddng d\u1eabn: <a href=\"https:\/\/www.acunetix.com\/vulnerabilities\/web\/path-traversal-vulnerability\/\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/www.acunetix.com\/vulnerabilities\/web\/path-traversal-vulnerability\/<\/a><\/li>\n<li>PortSwigger - Thao t\u00e1c URL: <a href=\"https:\/\/portswigger.net\/web-security\/other\/url-manipulation\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/portswigger.net\/web-security\/other\/url-manipulation<\/a><\/li>\n<li>Vi\u1ec7n SANS \u2013 C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng truy\u1ec1n t\u1ea3i \u0111\u01b0\u1eddng d\u1eabn: <a href=\"https:\/\/www.sans.org\/white-papers\/1379\/\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/www.sans.org\/white-papers\/1379\/<\/a><\/li>\n<\/ol>\n<p>H\u00e3y nh\u1edb r\u1eb1ng, lu\u00f4n c\u1eadp nh\u1eadt th\u00f4ng tin v\u00e0 c\u1ea3nh gi\u00e1c l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 b\u1ea3n th\u00e2n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng web c\u1ee7a b\u1ea1n kh\u1ecfi vi\u1ec7c ti\u00eam URL v\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda m\u1ea1ng kh\u00e1c.<\/p>","protected":false},"featured_media":479463,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479462","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>URL Injection: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is URL injection?","answer":"<p>URL injection, also known as URI injection or path manipulation, is a type of web vulnerability where attackers manipulate the components of a website's URL to perform malicious actions. By exploiting vulnerabilities in web applications, attackers can alter the URL's parameters, path, or query strings to gain unauthorized access, steal data, or execute malicious code.<\/p>"},{"question":"How did URL injection originate?","answer":"<p>URL injection has been a concern since the early days of the internet when web applications started gaining popularity. The first mention of URL injection and similar attacks can be traced back to the late 1990s when web developers began realizing the potential security risks associated with URL manipulation.<\/p>"},{"question":"How does URL injection work?","answer":"<p>URL injection involves manipulating the various components of a URL, such as the protocol, domain, path, or query parameters. Attackers use techniques like URL encoding and input validation bypass to insert malicious data into the URL. The manipulated URL then deceives the application into performing unintended actions, leading to security breaches.<\/p>"},{"question":"What are the key features of URL injection?","answer":"<p>URL injection exploits user input, uses encoding and decoding techniques to obfuscate payloads, and targets different parts of the URL, depending on the application's vulnerabilities. The impact of URL injection depends on the context in which the manipulated URL is used, and it can lead to diverse attack vectors such as XSS and SQL injection.<\/p>"},{"question":"What are the types of URL injection?","answer":"<p>URL injection encompasses various types of attacks, including path manipulation, query string manipulation, protocol manipulation, HTML\/script injection, directory traversal, and parameter tampering. Each type focuses on different aspects of the URL to achieve specific attack goals.<\/p>"},{"question":"How can URL injection be used, and what are the associated problems and solutions?","answer":"<p>URL injection can be utilized for unauthorized access, data tampering, cross-site scripting (XSS), and phishing attacks. To prevent URL injection, web developers should adopt secure coding practices, implement input validation and output encoding, and conduct regular security audits and testing.<\/p>"},{"question":"How does URL injection compare to other web vulnerabilities?","answer":"<p>URL injection shares similarities with SQL injection and cross-site scripting (XSS) as they all involve exploiting user input. However, they differ in the specific attack vectors and consequences. URL injection focuses on manipulating the URL structure, SQL injection targets database queries, and XSS attacks manipulate web page content.<\/p>"},{"question":"What are the future perspectives and technologies related to URL injection?","answer":"<p>As technology evolves, the future may witness the emergence of advanced security mechanisms and tools to detect and prevent URL injection attacks in real-time. Increased awareness and education about web application security can also contribute to reducing the prevalence of URL injection.<\/p>"},{"question":"How are proxy servers associated with URL injection?","answer":"<p>Proxy servers can serve as an additional layer of defense against URL injection attacks by filtering and inspecting incoming requests. However, attackers can also abuse proxy servers to hide their identity and obfuscate the source of malicious activity. Proxy server providers must implement robust security measures to prevent misuse.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479462\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/479463"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=479462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}