{"id":476481,"date":"2023-08-09T07:29:55","date_gmt":"2023-08-09T07:29:55","guid":{"rendered":""},"modified":"2023-09-05T11:12:51","modified_gmt":"2023-09-05T11:12:51","slug":"cross-site-requested-forgery","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/cross-site-requested-forgery\/","title":{"rendered":"Gi\u1ea3 m\u1ea1o \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u trang web"},"content":{"rendered":"<p>Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u ch\u00e9o trang web (CSRF) l\u00e0 m\u1ed9t lo\u1ea1i l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt web cho ph\u00e9p k\u1ebb t\u1ea5n c\u00f4ng th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng tr\u00e1i ph\u00e9p thay m\u1eb7t cho ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c tr\u00ean \u1ee9ng d\u1ee5ng web. C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng CSRF khai th\u00e1c s\u1ef1 tin c\u1eady m\u00e0 m\u1ed9t trang web c\u00f3 trong tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng b\u1eb1ng c\u00e1ch l\u1eeba trang web \u0111\u00f3 th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed9c h\u1ea1i m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng bi\u1ebft ho\u1eb7c kh\u00f4ng \u0111\u1ed3ng \u00fd. Ki\u1ec3u t\u1ea5n c\u00f4ng n\u00e0y g\u00e2y ra m\u1ed1i \u0111e d\u1ecda nghi\u00eam tr\u1ecdng \u0111\u1ed1i v\u1edbi t\u00ednh to\u00e0n v\u1eb9n v\u00e0 b\u1ea3o m\u1eadt c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng web.<\/p>\n<h2>L\u1ecbch s\u1eed v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u ch\u00e9o trang web v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n<p>Thu\u1eadt ng\u1eef \u201cGi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u trang web\u201d \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u RSnake v\u00e0 Amit Klein \u0111\u1eb7t ra l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 2001 trong m\u1ed9t cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 b\u1ea3o m\u1eadt \u1ee9ng d\u1ee5ng web. Tuy nhi\u00ean, kh\u00e1i ni\u1ec7m t\u1ea5n c\u00f4ng gi\u1ed1ng CSRF \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn t\u1eeb gi\u1eefa nh\u1eefng n\u0103m 1990. L\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng t\u01b0\u01a1ng t\u1ef1 l\u00e0 v\u00e0o n\u0103m 1996 khi m\u1ed9t nh\u00e0 nghi\u00ean c\u1ee9u t\u00ean l\u00e0 Adam Barth m\u00f4 t\u1ea3 m\u1ed9t l\u1ed7 h\u1ed5ng trong tr\u00ecnh duy\u1ec7t Netscape Navigator cho ph\u00e9p k\u1ebb t\u1ea5n c\u00f4ng gi\u1ea3 m\u1ea1o c\u00e1c y\u00eau c\u1ea7u HTTP.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u trang web<\/h2>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng CSRF th\u01b0\u1eddng nh\u1eafm v\u00e0o c\u00e1c y\u00eau c\u1ea7u thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1eeda \u0111\u1ed5i c\u00e0i \u0111\u1eb7t t\u00e0i kho\u1ea3n, mua h\u00e0ng ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng c\u00f3 \u0111\u1eb7c quy\u1ec1n cao. K\u1ebb t\u1ea5n c\u00f4ng t\u1ea1o m\u1ed9t trang web ho\u1eb7c email \u0111\u1ed9c h\u1ea1i ch\u1ee9a URL ho\u1eb7c bi\u1ec3u m\u1eabu \u0111\u01b0\u1ee3c t\u1ea1o \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 k\u00edch ho\u1ea1t tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng tr\u00e1i ph\u00e9p tr\u00ean \u1ee9ng d\u1ee5ng web \u0111\u01b0\u1ee3c nh\u1eafm m\u1ee5c ti\u00eau. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra v\u00ec tr\u00ecnh duy\u1ec7t t\u1ef1 \u0111\u1ed9ng \u0111\u01b0a th\u00f4ng tin x\u00e1c th\u1ef1c phi\u00ean x\u00e1c th\u1ef1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0o y\u00eau c\u1ea7u \u0111\u1ed9c h\u1ea1i, khi\u1ebfn y\u00eau c\u1ea7u \u0111\u00f3 c\u00f3 v\u1ebb h\u1ee3p ph\u00e1p.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u ch\u00e9o trang web v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3<\/h2>\n<p>C\u01a1 ch\u1ebf \u0111\u1eb1ng sau CSRF bao g\u1ed3m c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ol>\n<li>Ng\u01b0\u1eddi d\u00f9ng \u0111\u0103ng nh\u1eadp v\u00e0o \u1ee9ng d\u1ee5ng web v\u00e0 nh\u1eadn m\u00e3 th\u00f4ng b\u00e1o x\u00e1c th\u1ef1c, th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong cookie ho\u1eb7c tr\u01b0\u1eddng bi\u1ec3u m\u1eabu \u1ea9n.<\/li>\n<li>Trong khi ng\u01b0\u1eddi d\u00f9ng v\u1eabn \u0111\u0103ng nh\u1eadp, h\u1ecd truy c\u1eadp m\u1ed9t trang web \u0111\u1ed9c h\u1ea1i ho\u1eb7c nh\u1ea5p v\u00e0o li\u00ean k\u1ebft \u0111\u1ed9c h\u1ea1i.<\/li>\n<li>Trang web \u0111\u1ed9c h\u1ea1i g\u1eedi y\u00eau c\u1ea7u HTTP \u0111\u01b0\u1ee3c t\u1ea1o th\u1ee7 c\u00f4ng \u0111\u1ebfn \u1ee9ng d\u1ee5ng web m\u1ee5c ti\u00eau, s\u1eed d\u1ee5ng th\u00f4ng tin x\u00e1c th\u1ef1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong cookie ho\u1eb7c d\u1eef li\u1ec7u phi\u00ean c\u1ee7a tr\u00ecnh duy\u1ec7t.<\/li>\n<li>\u1ee8ng d\u1ee5ng web m\u1ee5c ti\u00eau nh\u1eadn \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u v\u00e0 v\u00ec n\u00f3 ch\u1ee9a m\u00e3 th\u00f4ng b\u00e1o x\u00e1c th\u1ef1c h\u1ee3p l\u1ec7 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng n\u00ean n\u00f3 x\u1eed l\u00fd y\u00eau c\u1ea7u nh\u01b0 th\u1ec3 n\u00f3 \u0111\u1ebfn t\u1eeb ng\u01b0\u1eddi d\u00f9ng h\u1ee3p ph\u00e1p.<\/li>\n<li>K\u1ebft qu\u1ea3 l\u00e0 h\u00e0nh \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n thay m\u1eb7t ng\u01b0\u1eddi d\u00f9ng m\u00e0 h\u1ecd kh\u00f4ng h\u1ec1 hay bi\u1ebft.<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u trang web<\/h2>\n<p>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng CSRF bao g\u1ed3m:<\/p>\n<ol>\n<li><strong>Khai th\u00e1c v\u00f4 h\u00ecnh<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng CSRF c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch \u00e2m th\u1ea7m m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng h\u1ec1 hay bi\u1ebft, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean nguy hi\u1ec3m v\u00e0 kh\u00f3 b\u1ecb ph\u00e1t hi\u1ec7n.<\/li>\n<li><strong>S\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o ni\u1ec1m tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/strong>: CSRF khai th\u00e1c s\u1ef1 tin c\u1eady \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp gi\u1eefa tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u1ee9ng d\u1ee5ng web.<\/li>\n<li><strong>D\u1ef1a tr\u00ean phi\u00ean<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng CSRF th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o phi\u00ean ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, s\u1eed d\u1ee5ng tr\u1ea1ng th\u00e1i x\u00e1c th\u1ef1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u.<\/li>\n<li><strong>H\u00e0nh \u0111\u1ed9ng c\u00f3 t\u00e1c \u0111\u1ed9ng<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u1eafm v\u00e0o c\u00e1c ho\u1ea1t \u0111\u1ed9ng thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i, d\u1eabn \u0111\u1ebfn h\u1eadu qu\u1ea3 \u0111\u00e1ng k\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1eeda \u0111\u1ed5i d\u1eef li\u1ec7u ho\u1eb7c t\u1ed5n th\u1ea5t t\u00e0i ch\u00ednh.<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u trang web<\/h2>\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>CSRF \u0111\u01a1n gi\u1ea3n<\/td>\n<td>Lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t, trong \u0111\u00f3 m\u1ed9t y\u00eau c\u1ea7u gi\u1ea3 m\u1ea1o \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn \u1ee9ng d\u1ee5ng web m\u1ee5c ti\u00eau.<\/td>\n<\/tr>\n<tr>\n<td>CSRF m\u00f9<\/td>\n<td>K\u1ebb t\u1ea5n c\u00f4ng g\u1eedi m\u1ed9t y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ebfn m\u1ee5c ti\u00eau m\u00e0 kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean \u201cm\u00f9\u201d.<\/td>\n<\/tr>\n<tr>\n<td>CSRF v\u1edbi XSS<\/td>\n<td>K\u1ebb t\u1ea5n c\u00f4ng k\u1ebft h\u1ee3p CSRF v\u1edbi Cross-Site Scripting (XSS) \u0111\u1ec3 th\u1ef1c thi c\u00e1c t\u1eadp l\u1ec7nh \u0111\u1ed9c h\u1ea1i tr\u00ean n\u1ea1n nh\u00e2n.<\/td>\n<\/tr>\n<tr>\n<td>CSRF v\u1edbi \u0111i\u1ec3m cu\u1ed1i JSON<\/td>\n<td>Nh\u1eafm m\u1ee5c ti\u00eau c\u00e1c \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng \u0111i\u1ec3m cu\u1ed1i JSON, k\u1ebb t\u1ea5n c\u00f4ng thao t\u00fang d\u1eef li\u1ec7u JSON \u0111\u1ec3 th\u1ef1c thi CSRF.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u trang web, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<h3>Ph\u01b0\u01a1ng ph\u00e1p khai th\u00e1c<\/h3>\n<ol>\n<li>Ho\u1ea1t \u0111\u1ed9ng t\u00e0i kho\u1ea3n tr\u00e1i ph\u00e9p: K\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 l\u1eeba ng\u01b0\u1eddi d\u00f9ng thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t t\u00e0i kho\u1ea3n ho\u1eb7c m\u1eadt kh\u1ea9u c\u1ee7a h\u1ecd.<\/li>\n<li>Giao d\u1ecbch t\u00e0i ch\u00ednh: CSRF c\u00f3 th\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c chuy\u1ec3n ti\u1ec1n ho\u1eb7c mua h\u00e0ng tr\u00e1i ph\u00e9p.<\/li>\n<li>Thao t\u00e1c d\u1eef li\u1ec7u: K\u1ebb t\u1ea5n c\u00f4ng s\u1eeda \u0111\u1ed5i ho\u1eb7c x\u00f3a d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng trong \u1ee9ng d\u1ee5ng.<\/li>\n<\/ol>\n<h3>Gi\u1ea3i ph\u00e1p v\u00e0 ph\u00f2ng ng\u1eeba<\/h3>\n<ol>\n<li>M\u00e3 th\u00f4ng b\u00e1o CSRF: Tri\u1ec3n khai m\u00e3 th\u00f4ng b\u00e1o duy nh\u1ea5t trong m\u1ed7i y\u00eau c\u1ea7u \u0111\u1ec3 x\u00e1c minh t\u00ednh h\u1ee3p ph\u00e1p c\u1ee7a n\u00f3.<\/li>\n<li>Cookie SameSite: S\u1eed d\u1ee5ng c\u00e1c thu\u1ed9c t\u00ednh SameSite \u0111\u1ec3 h\u1ea1n ch\u1ebf ph\u1ea1m vi cookie.<\/li>\n<li>Ti\u00eau \u0111\u1ec1 y\u00eau c\u1ea7u t\u00f9y ch\u1ec9nh: Th\u00eam ti\u00eau \u0111\u1ec1 t\u00f9y ch\u1ec9nh \u0111\u1ec3 x\u00e1c th\u1ef1c y\u00eau c\u1ea7u.<\/li>\n<li>Cookie g\u1eedi \u0111\u00f4i: Bao g\u1ed3m cookie ph\u1ee5 kh\u1edbp v\u1edbi gi\u00e1 tr\u1ecb m\u00e3 th\u00f4ng b\u00e1o.<\/li>\n<\/ol>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>T\u1eadp l\u1ec7nh ch\u00e9o trang (XSS)<\/td>\n<td>T\u1eadp trung v\u00e0o vi\u1ec7c \u0111\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.<\/td>\n<\/tr>\n<tr>\n<td>Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u trang web<\/td>\n<td>Nh\u1eafm m\u1ee5c ti\u00eau c\u00e1c h\u00e0nh \u0111\u1ed9ng thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i, t\u1eadn d\u1ee5ng ni\u1ec1m tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u tr\u00e1i ph\u00e9p.<\/td>\n<\/tr>\n<tr>\n<td>Bao g\u1ed3m t\u1eadp l\u1ec7nh ch\u00e9o trang<\/td>\n<td>Li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u01b0a c\u00e1c t\u1eadp l\u1ec7nh \u0111\u1ed9c h\u1ea1i t\u1eeb mi\u1ec1n b\u00ean ngo\u00e0i v\u00e0o \u1ee9ng d\u1ee5ng web \u0111\u01b0\u1ee3c nh\u1eafm m\u1ee5c ti\u00eau.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u trang web<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 web ph\u00e1t tri\u1ec3n, c\u00e1c c\u01a1 ch\u1ebf ph\u00f2ng th\u1ee7 m\u1edbi c\u00f3 th\u1ec3 s\u1ebd xu\u1ea5t hi\u1ec7n \u0111\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng CSRF. Vi\u1ec7c t\u00edch h\u1ee3p sinh tr\u1eafc h\u1ecdc, m\u00e3 th\u00f4ng b\u00e1o v\u00e0 x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng x\u00e1c minh ng\u01b0\u1eddi d\u00f9ng. Ngo\u00e0i ra, c\u00e1c khung v\u00e0 c\u1ea3i ti\u1ebfn b\u1ea3o m\u1eadt tr\u00ecnh duy\u1ec7t t\u1ef1 \u0111\u1ed9ng ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c l\u1ed7 h\u1ed5ng CSRF s\u1ebd \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3m thi\u1ec3u c\u00e1c m\u1ed1i \u0111e d\u1ecda trong t\u01b0\u01a1ng lai.<\/p>\n<h2>C\u00e1ch c\u00e1c m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u trang web<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u1ee9ng d\u1ee5ng web. Trong b\u1ed1i c\u1ea3nh CSRF, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 ph\u1ee9c t\u1ea1p b\u1ed5 sung trong vi\u1ec7c x\u00e1c th\u1ef1c y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, c\u00f3 kh\u1ea3 n\u0103ng gi\u1ea3m thi\u1ec3u ho\u1eb7c l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam c\u00e1c l\u1ed7 h\u1ed5ng CSRF. M\u00e1y ch\u1ee7 proxy \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung b\u1eb1ng c\u00e1ch l\u1ecdc v\u00e0 x\u00e1c th\u1ef1c c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn, gi\u1ea3m nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng CSRF.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u trang web 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><a href=\"https:\/\/cheatsheetseries.owasp.org\/cheatsheets\/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html\" target=\"_new\" rel=\"noopener nofollow\">B\u1ea3ng cheat ph\u00f2ng ch\u1ed1ng CSRF c\u1ee7a OWASP<\/a><\/li>\n<li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Glossary\/CSRF\" target=\"_new\" rel=\"noopener nofollow\">M\u1ea1ng l\u01b0\u1edbi nh\u00e0 ph\u00e1t tri\u1ec3n Mozilla \u2013 Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u ch\u00e9o trang web (CSRF)<\/a><\/li>\n<li><a href=\"https:\/\/portswigger.net\/web-security\/csrf\" target=\"_new\" rel=\"noopener nofollow\">PortSwigger \u2013 Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u ch\u00e9o trang web (CSRF)<\/a><\/li>\n<li><a href=\"https:\/\/www.owasp.org\/index.php\/Cross-Site_Request_Forgery_(CSRF)_Prevention_Cheat_Sheet\" target=\"_new\" rel=\"noopener nofollow\">Kinh th\u00e1nh gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u xuy\u00ean trang web<\/a><\/li>\n<\/ol>","protected":false},"featured_media":476482,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476481","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Cross-Site Request Forgery (CSRF) - A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is Cross-Site Request Forgery (CSRF)?","answer":"<p>Cross-Site Request Forgery (CSRF) is a type of web security vulnerability that allows attackers to perform unauthorized actions on behalf of authenticated users without their knowledge. It exploits the trust between a user's browser and a web application to trick the application into accepting malicious requests.<\/p>"},{"question":"How did CSRF originate, and when was it first mentioned?","answer":"<p>The term \"Cross-Site Request Forgery\" was coined in 2001, but the concept of similar attacks was known since the mid-1990s. Researchers first mentioned a vulnerability in the Netscape Navigator browser that allowed attackers to forge HTTP requests back in 1996.<\/p>"},{"question":"How does CSRF work?","answer":"<p>CSRF attacks involve the following steps:<\/p><ol><li>The user logs into a web application and receives an authentication token.<\/li><li>While the user is still logged in, they visit a malicious website or click on a malicious link.<\/li><li>The malicious website sends a crafted HTTP request to the target application using the user's credentials.<\/li><li>The target application processes the request as if it came from the legitimate user, performing the malicious action.<\/li><\/ol>"},{"question":"What are the key features of CSRF attacks?","answer":"<p>Key features of CSRF attacks include:<\/p><ol><li>Invisible Exploitation: CSRF attacks occur without the user's awareness.<\/li><li>Reliance on User Trust: The attacks rely on the trust between the user's browser and the application.<\/li><li>Session-Based: CSRF attacks depend on active user sessions.<\/li><li>Impactful Actions: The attacks target state-changing operations with significant consequences.<\/li><\/ol>"},{"question":"What types of CSRF attacks exist?","answer":"<p>There are several types of CSRF attacks, including:<\/p><ol><li>Simple CSRF: A single forged request is sent to the target application.<\/li><li>Blind CSRF: The attacker sends a crafted request without obtaining the response.<\/li><li>CSRF with XSS: Attackers combine CSRF with Cross-Site Scripting to execute malicious scripts.<\/li><li>CSRF with JSON endpoints: Targeting applications using JSON endpoints, attackers manipulate JSON data for CSRF.<\/li><\/ol>"},{"question":"How can CSRF be prevented and mitigated?","answer":"<p>Preventing and mitigating CSRF attacks involve implementing various techniques, such as:<\/p><ol><li>CSRF Tokens: Use unique tokens in each request to validate its legitimacy.<\/li><li>SameSite Cookies: Utilize SameSite attributes in cookies to restrict their scope.<\/li><li>Custom Request Headers: Add custom headers to validate requests.<\/li><li>Double Submit Cookies: Include a secondary cookie that matches the token value.<\/li><\/ol>"},{"question":"How does CSRF compare to other web vulnerabilities?","answer":"<p>CSRF differs from other web vulnerabilities like Cross-Site Scripting (XSS) and Cross-Site Script Inclusion (XSSI). While XSS focuses on injecting malicious scripts into web pages, CSRF targets state-changing actions by exploiting user trust.<\/p>"},{"question":"What does the future hold for CSRF defense?","answer":"<p>As web technologies evolve, new defense mechanisms, including biometrics, tokenization, and multi-factor authentication, will emerge to counter CSRF attacks. Browser security enhancements and frameworks detecting and preventing CSRF vulnerabilities will play vital roles in mitigating future threats.<\/p>"},{"question":"How are proxy servers associated with CSRF?","answer":"<p>Proxy servers act as intermediaries between users and web applications. In the context of CSRF, they can add an extra layer of security by filtering and validating incoming requests, reducing the risk of CSRF attacks. Properly configured proxy servers can enhance web application security.<\/p>"},{"question":"Where can I find more information about CSRF?","answer":"<p>For more in-depth knowledge about CSRF and web application security, refer to the following resources:<\/p><ol><li><a href=\"https:\/\/cheatsheetseries.owasp.org\/cheatsheets\/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html\" target=\"_new\">OWASP CSRF Prevention Cheat Sheet<\/a><\/li><li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Glossary\/CSRF\" target=\"_new\">Mozilla Developer Network - Cross-Site Request Forgery (CSRF)<\/a><\/li><li><a href=\"https:\/\/portswigger.net\/web-security\/csrf\" target=\"_new\">PortSwigger - Cross-Site Request Forgery (CSRF)<\/a><\/li><li><a href=\"https:\/\/www.owasp.org\/index.php\/Cross-Site_Request_Forgery_(CSRF)_Prevention_Cheat_Sheet\" target=\"_new\">The Cross-Site Request Forgery Bible<\/a><\/li><\/ol>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476481","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\/476481\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476482"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}