{"id":477191,"date":"2023-08-09T09:08:44","date_gmt":"2023-08-09T09:08:44","guid":{"rendered":""},"modified":"2023-09-05T11:14:15","modified_gmt":"2023-09-05T11:14:15","slug":"fault-injection-attack","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/fault-injection-attack\/","title":{"rendered":"T\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i"},"content":{"rendered":"<p>T\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt \u0111\u1ed9c h\u1ea1i \u0111\u01b0\u1ee3c nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng m\u1ea1ng s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2m ph\u1ea1m t\u00ednh to\u00e0n v\u1eb9n, t\u00ednh kh\u1ea3 d\u1ee5ng v\u00e0 b\u1ea3o m\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh. N\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c c\u1ed1 t\u00ecnh \u0111\u01b0a c\u00e1c l\u1ed7i v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u1ec3 khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng v\u00e0 gi\u00e0nh quy\u1ec1n truy c\u1eadp tr\u00e1i ph\u00e9p ho\u1eb7c g\u00e2y ra c\u00e1c h\u00e0nh vi kh\u00f4ng mong mu\u1ed1n. Ki\u1ec3u t\u1ea5n c\u00f4ng n\u00e0y \u0111\u1eb7c bi\u1ec7t nguy hi\u1ec3m v\u00ec n\u00f3 nh\u1eafm v\u00e0o c\u00e1c \u0111i\u1ec3m l\u1ed7i c\u1ee7a h\u1ec7 th\u1ed1ng, l\u1ee3i d\u1ee5ng nh\u1eefng \u0111i\u1ec3m y\u1ebfu c\u00f3 th\u1ec3 kh\u00f4ng r\u00f5 r\u00e0ng trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p th\u00f4ng th\u01b0\u1eddng.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a T\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i v\u00e0 nh\u1eefng l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m ch\u00e8n l\u1ed7i c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a m\u00e1y t\u00ednh, khi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u quan t\u00e2m \u0111\u1ebfn vi\u1ec7c t\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c h\u1ec7 th\u1ed1ng s\u1ebd ho\u1ea1t \u0111\u1ed9ng trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng mong mu\u1ed1n. \u0110\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 vi\u1ec7c ch\u00e8n l\u1ed7i trong b\u1ed1i c\u1ea3nh b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong m\u1ed9t b\u00e0i b\u00e1o n\u0103m 1979 c\u00f3 t\u1ef1a \u0111\u1ec1 \u201cH\u1ec7 th\u1ed1ng chia s\u1ebb th\u1eddi gian UNIX\u201d c\u1ee7a Ken Thompson. \u00d4ng th\u1ea3o lu\u1eadn v\u1ec1 kh\u1ea3 n\u0103ng c\u1ed1 t\u00ecnh g\u00e2y ra l\u1ed7i ph\u1ea7n m\u1ec1m v\u00e0 l\u1ed7i ph\u1ea7n c\u1ee9ng \u0111\u1ec3 ph\u00e2n t\u00edch h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 T\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i<\/h2>\n<p>Trong b\u1ed1i c\u1ea3nh c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng b\u1ea3o m\u1eadt, vi\u1ec7c ch\u00e8n l\u1ed7i tr\u1edf n\u00ean n\u1ed5i b\u1eadt v\u00e0o nh\u1eefng n\u0103m 1990 khi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 v\u00e0 c\u1ea3i thi\u1ec7n t\u00ednh m\u1ea1nh m\u1ebd c\u1ee7a ph\u1ea7n m\u1ec1m v\u00e0 ph\u1ea7n c\u1ee9ng. Theo th\u1eddi gian, nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng nh\u1eadn ra ti\u1ec1m n\u0103ng khai th\u00e1c l\u1ed7 h\u1ed5ng c\u1ee7a n\u00f3 v\u00e0 b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng t\u00ednh n\u0103ng ch\u00e8n l\u1ed7i cho m\u1ee5c \u0111\u00edch x\u1ea5u. Cu\u1ed9c t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 nh\u1eafm v\u00e0o nhi\u1ec1u l\u1edbp kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng, bao g\u1ed3m ph\u1ea7n c\u1ee9ng, h\u1ec7 \u0111i\u1ec1u h\u00e0nh, \u1ee9ng d\u1ee5ng v\u00e0 giao th\u1ee9c m\u1ea1ng.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a Cu\u1ed9c t\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i. C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i<\/h2>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i bao g\u1ed3m m\u1ed9t s\u1ed1 b\u01b0\u1edbc:<\/p>\n<ol>\n<li>\n<p><strong>X\u00e1c \u0111\u1ecbnh l\u1ed7 h\u1ed5ng<\/strong>: K\u1ebb t\u1ea5n c\u00f4ng ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng m\u1ee5c ti\u00eau \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1ed7 h\u1ed5ng ti\u1ec1m \u1ea9n v\u00e0 c\u00e1c \u0111i\u1ec3m y\u1ebfu c\u00f3 th\u1ec3 b\u1ecb khai th\u00e1c th\u00f4ng qua vi\u1ec7c ti\u00eam l\u1ed7i.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ef1a ch\u1ecdn \u0111i\u1ec3m ti\u00eam<\/strong>: Sau khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c l\u1ed7 h\u1ed5ng, k\u1ebb t\u1ea5n c\u00f4ng s\u1ebd ch\u1ecdn c\u00e1c \u0111i\u1ec3m th\u00edch h\u1ee3p trong h\u1ec7 th\u1ed1ng n\u01a1i c\u00f3 th\u1ec3 ch\u00e8n l\u1ed7i \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau c\u1ee7a ch\u00fang. C\u00e1c \u0111i\u1ec3m ti\u00eam n\u00e0y c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y theo ki\u1ec3u t\u1ea5n c\u00f4ng v\u00e0 ki\u1ebfn tr\u00fac c\u1ee7a m\u1ee5c ti\u00eau.<\/p>\n<\/li>\n<li>\n<p><strong>K\u1ef9 thu\u1eadt ti\u00eam<\/strong>: C\u00f3 nhi\u1ec1u k\u1ef9 thu\u1eadt kh\u00e1c nhau \u0111\u1ec3 ch\u00e8n l\u1ed7i, bao g\u1ed3m c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng d\u1ef1a tr\u00ean ph\u1ea7n c\u1ee9ng, t\u1ea5n c\u00f4ng d\u1ef1a tr\u00ean ph\u1ea7n m\u1ec1m v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p k\u1ebft h\u1ee3p k\u1ebft h\u1ee3p c\u1ea3 hai. M\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn bao g\u1ed3m thao t\u00e1c \u0111i\u1ec7n \u00e1p ho\u1eb7c \u0111\u1ed3ng h\u1ed3, h\u1ecfng b\u1ed9 nh\u1edb v\u00e0 ch\u00e8n g\u00f3i.<\/p>\n<\/li>\n<li>\n<p><strong>K\u00edch ho\u1ea1t l\u1ed7i<\/strong>: K\u1ebb t\u1ea5n c\u00f4ng b\u1eaft \u0111\u1ea7u ch\u00e8n l\u1ed7i v\u00e0o c\u00e1c \u0111i\u1ec3m \u0111\u00e3 ch\u1ecdn. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb xa th\u00f4ng qua c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng d\u1ef1a tr\u00ean m\u1ea1ng ho\u1eb7c b\u1eb1ng c\u00e1ch gi\u00e0nh quy\u1ec1n truy c\u1eadp v\u1eadt l\u00fd v\u00e0o h\u1ec7 th\u1ed1ng m\u1ee5c ti\u00eau.<\/p>\n<\/li>\n<li>\n<p><strong>Quan s\u00e1t h\u00e0nh vi<\/strong>: Sau khi l\u1ed7i \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o, k\u1ebb t\u1ea5n c\u00f4ng s\u1ebd quan s\u00e1t h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem cu\u1ed9c t\u1ea5n c\u00f4ng c\u00f3 th\u00e0nh c\u00f4ng hay kh\u00f4ng. K\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 bao g\u1ed3m t\u1eeb s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng \u0111\u1ebfn truy c\u1eadp tr\u00e1i ph\u00e9p ho\u1eb7c \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a T\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i<\/h2>\n<p>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a t\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i l\u00e0:<\/p>\n<ul>\n<li>\n<p><strong>s\u1ef1 t\u00e0ng h\u00ecnh<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ch\u00e8n l\u1ed7i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u00e9n l\u00fat, \u0111\u1ec3 l\u1ea1i r\u1ea5t \u00edt ho\u1eb7c kh\u00f4ng c\u00f3 d\u1ea5u v\u1ebft c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng trong nh\u1eadt k\u00fd h\u1ec7 th\u1ed1ng ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t, khi\u1ebfn vi\u1ec7c ph\u00e1t hi\u1ec7n tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00ednh linh ho\u1ea1t<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ch\u00e8n l\u1ed7i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau, bao g\u1ed3m leo thang \u0111\u1eb7c quy\u1ec1n, b\u1ecf qua c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt v\u00e0 g\u00e2y ra t\u00ecnh hu\u1ed1ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (DoS).<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ea3n ch\u1ea5t \u0111\u01b0\u1ee3c nh\u1eafm m\u1ee5c ti\u00eau<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y th\u01b0\u1eddng c\u00f3 m\u1ee5c ti\u00eau cao, t\u1eadp trung v\u00e0o c\u00e1c \u0111i\u1ec3m y\u1ebfu c\u1ee5 th\u1ec3 trong h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p k\u1ebb t\u1ea5n c\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau c\u1ee7a ch\u00fang m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n<\/li>\n<li>\n<p><strong>N\u1ec1n t\u1ea3ng \u0111\u1ed9c l\u1eadp<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ch\u00e8n l\u1ed7i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng kh\u00e1c nhau, bao g\u1ed3m h\u1ec7 th\u1ed1ng nh\u00fang, thi\u1ebft b\u1ecb IoT v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y.<\/p>\n<\/li>\n<\/ul>\n<h2>C\u00e1c ki\u1ec3u t\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i<\/h2>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ch\u00e8n l\u1ed7i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh nhi\u1ec1u lo\u1ea1i d\u1ef1a tr\u00ean m\u1ee5c ti\u00eau, k\u1ef9 thu\u1eadt v\u00e0 m\u1ee5c ti\u00eau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i 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>Ti\u00eam l\u1ed7i ph\u1ea7n c\u1ee9ng<\/td>\n<td>Nh\u1eafm m\u1ee5c ti\u00eau v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n c\u1ee9ng \u0111\u1ec3 g\u00e2y ra c\u00e1c l\u1ed7i nh\u1ea5t th\u1eddi, ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u1ee5c tr\u1eb7c v\u1ec1 \u0111i\u1ec7n \u00e1p ho\u1eb7c \u0111\u1ed3ng h\u1ed3, l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/td>\n<\/tr>\n<tr>\n<td>L\u1ed7i ph\u1ea7n m\u1ec1m<\/td>\n<td>Khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng ph\u1ea7n m\u1ec1m \u0111\u1ec3 ch\u00e8n c\u00e1c l\u1ed7i, nh\u01b0 l\u1ed7i tr\u00e0n b\u1ed9 \u0111\u1ec7m ho\u1eb7c ch\u00e8n m\u00e3, nh\u1eb1m thao t\u00fang vi\u1ec7c th\u1ef1c thi ch\u01b0\u01a1ng tr\u00ecnh.<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eam l\u1ed7i m\u1ea1ng<\/td>\n<td>Li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u01b0a c\u00e1c l\u1ed7i v\u00e0o ho\u1ea1t \u0111\u1ed9ng li\u00ean l\u1ea1c tr\u00ean m\u1ea1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ecf, tr\u00ec ho\u00e3n ho\u1eb7c s\u1eeda \u0111\u1ed5i c\u00e1c g\u00f3i \u0111\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n lu\u1ed3ng li\u00ean l\u1ea1c ho\u1eb7c b\u1ecf qua c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt.<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eam l\u1ed7i lai<\/td>\n<td>K\u1ebft h\u1ee3p c\u1ea3 k\u1ef9 thu\u1eadt ch\u00e8n l\u1ed7i ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a t\u00e1c \u0111\u1ed9ng c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0 khai th\u00e1c \u0111i\u1ec3m y\u1ebfu c\u1ee7a h\u1ec7 th\u1ed1ng hi\u1ec7u qu\u1ea3 h\u01a1n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng T\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i, 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>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ch\u00e8n l\u1ed7i \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3 cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c chuy\u00ean gia b\u1ea3o m\u1eadt. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, c\u00f9ng v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan v\u00e0 gi\u1ea3i ph\u00e1p ti\u1ec1m n\u0103ng:<\/p>\n<ol>\n<li>\n<p><strong>\u0110\u00e1nh gi\u00e1 an ninh<\/strong>: C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u b\u1ea3o m\u1eadt s\u1eed d\u1ee5ng t\u00ednh n\u0103ng ch\u00e8n l\u1ed7i \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1ed7 h\u1ed5ng trong h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m v\u00e0 ph\u1ea7n c\u1ee9ng. V\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf vi\u1ec7c ph\u00e2n bi\u1ec7t gi\u1eefa th\u1eed nghi\u1ec7m h\u1ee3p ph\u00e1p v\u00e0 m\u1ee5c \u0111\u00edch x\u1ea5u. C\u00e1c t\u1ed5 ch\u1ee9c ph\u1ea3i s\u1eed d\u1ee5ng m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m an to\u00e0n v\u00e0 tri\u1ec3n khai c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t quy\u1ec1n truy c\u1eadp cho c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n t\u00edch m\u1eadt m\u00e3<\/strong>: Vi\u1ec7c ch\u00e8n l\u1ed7i \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1 v\u1ee1 c\u00e1c h\u1ec7 th\u1ed1ng m\u1eadt m\u00e3. Vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3 nh\u01b0 m\u00e3 ph\u00e1t hi\u1ec7n l\u1ed7i v\u00e0 d\u1ef1 ph\u00f2ng ph\u1ea7n c\u1ee9ng c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>Khai th\u00e1c l\u1ed7i ph\u1ea7n m\u1ec1m<\/strong>: Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng khai th\u00e1c c\u00e1c l\u1ed7i ph\u1ea7n m\u1ec1m v\u00e0 c\u00e1c h\u00e0nh vi kh\u00f4ng mong mu\u1ed1n \u0111\u01b0\u1ee3c \u0111\u01b0a ra th\u00f4ng qua vi\u1ec7c ch\u00e8n l\u1ed7i. Ki\u1ec3m tra m\u00e3 th\u01b0\u1eddng xuy\u00ean, th\u01b0\u1edfng l\u1ed7i v\u00e0 v\u00e1 l\u1ed7i k\u1ecbp th\u1eddi c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5<\/strong>: Vi\u1ec7c ch\u00e8n l\u1ed7i m\u1ea1ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c t\u00ecnh hu\u1ed1ng DoS. L\u1ecdc m\u1ea1ng v\u00e0 gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u01b0 v\u1eady.<\/p>\n<\/li>\n<\/ol>\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 d\u01b0\u1edbi d\u1ea1ng b\u1ea3ng v\u00e0 danh s\u00e1ch<\/h2>\n<p>| T\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i so v\u1edbi ki\u1ec3m tra th\u00e2m nh\u1eadp |<br \/>\n|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2013 | \u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014-|<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i<\/th>\n<th>Ki\u1ec3m tra th\u00e2m nh\u1eadp<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>D\u00e3 t\u00e2m<\/td>\n<td>M\u1ee5c \u0111\u00edch \u0111\u1ea1o \u0111\u1ee9c<\/td>\n<\/tr>\n<tr>\n<td>Khai th\u00e1c \u0111i\u1ec3m y\u1ebfu c\u1ee7a h\u1ec7 th\u1ed1ng<\/td>\n<td>X\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m y\u1ebfu c\u1ee7a h\u1ec7 th\u1ed1ng<\/td>\n<\/tr>\n<tr>\n<td>Truy c\u1eadp tr\u00e1i ph\u00e9p ho\u1eb7c g\u00e2y thi\u1ec7t h\u1ea1i<\/td>\n<td>C\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n v\u00e0 ki\u1ec3m so\u00e1t<\/td>\n<\/tr>\n<tr>\n<td>T\u00e0ng h\u00ecnh v\u00e0 b\u00ed m\u1eadt<\/td>\n<td>Minh b\u1ea1ch v\u00e0 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed1i ngh\u1ecbch<\/td>\n<td>h\u1ee3p t\u00e1c<\/td>\n<\/tr>\n<tr>\n<td>L\u1ee3i nhu\u1eadn b\u1ea5t h\u1ee3p ph\u00e1p<\/td>\n<td>Thu th\u1eadp v\u00e0 c\u1ea3i thi\u1ec7n ki\u1ebfn th\u1ee9c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn T\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n, c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i c\u00f3 th\u1ec3 s\u1ebd tr\u1edf n\u00ean tinh vi h\u01a1n v\u00e0 kh\u00f3 ph\u00e1t hi\u1ec7n h\u01a1n. C\u00e1c quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn t\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i bao g\u1ed3m:<\/p>\n<ul>\n<li>\n<p><strong>Ph\u00f2ng th\u1ee7 h\u1ecdc m\u00e1y<\/strong>: Tri\u1ec3n khai c\u00e1c thu\u1eadt to\u00e1n h\u1ecdc m\u00e1y \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c m\u1eabu v\u00e0 \u0111i\u1ec3m b\u1ea5t th\u01b0\u1eddng do c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ch\u00e8n l\u1ed7i g\u00e2y ra.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ea3o m\u1eadt ph\u1ea7n c\u1ee9ng<\/strong>: Ph\u00e1t tri\u1ec3n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3 \u1edf c\u1ea5p \u0111\u1ed9 ph\u1ea7n c\u1ee9ng \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i nh\u1eafm v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n v\u1eadt l\u00fd.<\/p>\n<\/li>\n<li>\n<p><strong>Dung sai x\u00e2m nh\u1eadp<\/strong>: Thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng s\u1ef1 x\u00e2m nh\u1eadp, trong \u0111\u00f3 h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng an to\u00e0n ngay c\u1ea3 khi c\u00f3 l\u1ed7i ho\u1eb7c b\u1ecb t\u1ea5n c\u00f4ng.<\/p>\n<\/li>\n<\/ul>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi T\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 v\u1eeba l\u00e0 m\u1ee5c ti\u00eau v\u1eeba l\u00e0 c\u00f4ng c\u1ee5 trong c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i. L\u00e0 m\u1ee5c ti\u00eau, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt ti\u00eam l\u1ed7i \u0111\u1ec3 khai th\u00e1c l\u1ed7 h\u1ed5ng trong m\u00e1y ch\u1ee7 proxy v\u00e0 l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn giao ti\u1ebfp gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7. L\u00e0 m\u1ed9t c\u00f4ng c\u1ee5, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn l\u1ea1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp, \u1ea9n ngu\u1ed3n t\u1ea5n c\u00f4ng v\u00e0 l\u00e0m x\u00e1o tr\u1ed9n c\u00e1c n\u1ed7 l\u1ef1c ti\u00eam l\u1ed7i.<\/p>\n<p>T\u00f3m l\u1ea1i, c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ti\u00eam l\u1ed7i l\u00e0 m\u1ed1i \u0111e d\u1ecda \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi t\u00ednh b\u1ea3o m\u1eadt v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh. Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i, k\u1ef9 thu\u1eadt kh\u00e1c nhau v\u00e0 h\u1eadu qu\u1ea3 ti\u1ec1m \u1ea9n c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u01b0 v\u1eady l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n h\u1ec7 th\u1ed1ng v\u00e0 chuy\u00ean gia b\u1ea3o m\u1eadt \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3 hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ea3o v\u1ec7 tr\u01b0\u1edbc b\u1ed1i c\u1ea3nh m\u1ed1i \u0111e d\u1ecda ng\u00e0y c\u00e0ng gia t\u0103ng n\u00e0y.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/csrc.nist.gov\/publications\/detail\/sp\/800-163\/final\" target=\"_new\" rel=\"noopener nofollow\">\u1ea4n ph\u1ea9m \u0111\u1eb7c bi\u1ec7t c\u1ee7a NIST 800-163 \u201cKi\u1ec3m tra t\u00ednh b\u1ea3o m\u1eadt c\u1ee7a \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng\u201d<\/a><\/li>\n<li><a href=\"https:\/\/resources.sei.cmu.edu\/library\/asset-view.cfm?assetID=29499\" target=\"_new\" rel=\"noopener nofollow\">\u0110\u1ea1i h\u1ecdc Carnegie Mellon \u2013 Vi\u1ec7n K\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m: \u201cTi\u00eam l\u1ed7i ph\u1ea7n m\u1ec1m: Ti\u00eam ph\u1ea7n m\u1ec1m ch\u1ed1ng l\u1ea1i l\u1ed7i\u201d<\/a><\/li>\n<\/ul>","protected":false},"featured_media":477192,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477191","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Fault Injection Attack: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is a Fault Injection Attack?","answer":"<p>A Fault Injection Attack is a malicious technique used by cyber attackers to compromise computer systems. It involves intentionally introducing faults or errors into a system to exploit vulnerabilities and gain unauthorized access or cause unexpected behaviors.<\/p>"},{"question":"How did Fault Injection Attack originate?","answer":"<p>The concept of fault injection can be traced back to the early days of computing, with its first mention in a 1979 paper by Ken Thompson. Initially used for system analysis, it later gained attention as a security threat in the 1990s when attackers started exploiting it for malicious purposes.<\/p>"},{"question":"How does a Fault Injection Attack work?","answer":"<p>A Fault Injection Attack involves identifying vulnerabilities, selecting injection points, injecting faults using various techniques, triggering the faults, and observing system behavior for unauthorized access or disruption.<\/p>"},{"question":"What are the key features of a Fault Injection Attack?","answer":"<p>The key features of a Fault Injection Attack include stealthiness, versatility, targeted nature, and platform independence. These attributes make it a potent and elusive threat.<\/p>"},{"question":"What types of Fault Injection Attacks exist?","answer":"<p>There are several types of Fault Injection Attacks, including Hardware Fault Injection, Software Fault Injection, Network Fault Injection, and Hybrid Fault Injection. Each targets specific areas of a system to achieve its objectives.<\/p>"},{"question":"How are Fault Injection Attacks used, and what problems can they cause?","answer":"<p>Fault Injection Attacks can be used for security assessments, cryptanalysis, exploiting software bugs, and causing denial-of-service situations. They pose problems related to system integrity, data confidentiality, and service availability.<\/p>"},{"question":"How does Fault Injection Attack compare to Penetration Testing?","answer":"<p>Fault Injection Attack is malicious with unauthorized access and damage, while Penetration Testing is ethical with authorized activities to identify system weaknesses.<\/p>"},{"question":"What are the future perspectives and technologies related to Fault Injection Attacks?","answer":"<p>Future developments may include machine learning defenses, hardware security enhancements, and intrusion tolerance mechanisms to better protect against evolving fault injection threats.<\/p>"},{"question":"How are proxy servers associated with Fault Injection Attacks?","answer":"<p>Proxy servers can be both targets and tools in fault injection attacks. Attackers may exploit vulnerabilities in proxy servers, while these servers can also be used to reroute and conceal attack traffic.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477191","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\/477191\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/477192"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}