ãªã¯ã¹ããã¤ãã«ã³ãµã¤ ï½OWASPãã¼ã«ã«ãã£ãã¿ã¼ãã¼ãã£ã³ã° in é¢è¥¿ 10thï½ã§ãçºè¡¨ããã ãã æ±äº¬å¤§å¦æ å ±å¦ç°ãç¹ä»»ç 究å¡ãè¤æ¬ä¸éåããã®è³æã§ã
ãªã¯ã¹ããã¤ãã«ã³ãµã¤ ï½OWASPãã¼ã«ã«ãã£ãã¿ã¼ãã¼ãã£ã³ã° in é¢è¥¿ 10thï½ã§ãçºè¡¨ããã ãã æ±äº¬å¤§å¦æ å ±å¦ç°ãç¹ä»»ç 究å¡ãè¤æ¬ä¸éåããã®è³æã§ã
第ï¼åãæ©å¯æ å ±ã«åæ³çã«è¿ã¥ããWebã¢ããªã±ã¼ã·ã§ã³ãå®ããã§ã¯ããUnvalidated Inputï¼è¨±å¯ããã¦ããªãå ¥åï¼ãã«ããããHiddenãã£ã¼ã«ããããã¥ã¬ã¼ã·ã§ã³ãã®ææ³ã«ã¤ãã¦èª¬æããããã¾ã¾ã§ã¢ããªã±ã¼ã·ã§ã³ã»ãã¥ãªãã£ã«æºãããªãã£ãæ¹ã«ããWebãµã¤ããæ»æãããã¡ã«ããºã ããæå¤ã«åç´ãªãã®ã§ãããã¨ãç解ãã¦ããããã¨æãã ååã®å 容ã«å¯¾ãã¦ãå¨å²ããããã¤ã質åãããã£ããããããªãã¨æ¸ãã¦ããã®ãï¼ãã¨ãããã®ã§ãããã¤ã¾ãã誰ããç°¡åã«æ»æãè¡ãããã¨ã示ããã¨ã«ãã£ã¦ãããã£ã¦è¢«å®³ãå¢å ãããã®ã§ã¯ãªãããã¨ããæ¸å¿µãæãããããã ãä»åã®è¨äºã§ã¯ãããå¤ãã®æ»æææ³ã説æãã¦ãããããæ¬è«ã«ç§»ãåã«ãããã£ã質åã«åçãã¦ããããã ç§ãã¡ã¯ãã§ã«æ¬é£è¼ã§è¨ãã¦ãããããªè å¨ã®ä¸ã«ãããããã¯ãWebã¢ããªã±ã¼ã·ã§ã³ã»ãã¥ãªãã£ã«æºãã£ããã¨ã®ã
PHP5.3.7ã®crypté¢æ°ã«ã¯è´å½çãªèå¼±æ§ãããã¾ããææªã®ã±ã¼ã¹ã§ã¯ãä»»æã®ãã¹ã¯ã¼ãã§ãã°ã¤ã³ã§ãã¦ãã¾ãã¨ããäºæ ãçºçãã¾ãã該å½ããå©ç¨è ã¯ãè³æ¥ãå¾è¿°ããåé¿çãå®æ½ãããã¨ãæ¨å¥¨ãã¾ãã æ¦è¦ PHPã®crypté¢æ°ã¯ãã½ã«ãä»ãããã·ã¥å¤ãç°¡åã«æ±ãããã¨ãã§ãã¾ãï¼å ¬å¼ãªãã¡ã¬ã³ã¹ï¼ãcrypté¢æ°ã®ããã·ã¥ã¢ã«ã´ãªãºã ã¨ãã¦MD5ãæå®ããå ´åãã½ã«ãã®ã¿ãåºåãããããã·ã¥å¤ã空ã«ãªãã¾ããããã¯ãcrypté¢æ°ã®çµæãã½ã«ãã®ã¿ã«ä¾åãããã¹ã¯ã¼ãã«ã¯å½±é¿ãããªããã¨ãæå³ããcrypté¢æ°ãèªè¨¼ã«ç¨ãã¦ããå ´åãä»»æã®ãã¹ã¯ã¼ãã§ãã°ã¤ã³ã«æåããå¯è½æ§ãããã¾ãã å½±é¿ãåããã¢ããªã±ã¼ã·ã§ã³ crypté¢æ°ãç¨ããããã·ã¥ã¢ã«ã´ãªãºã ã¨ãã¦MD5ãæå®ãã¦ããã¢ããªã±ã¼ã·ã§ã³ã ç°å¢ã«ãä¾åãã¾ãããããã©ã«ããMD5ã®å ´åãããã¾ããçè ã®ãã¹ãç°å¢
ã¤ãã¼æ ªå¼ä¼ç¤¾ã¯ã2023å¹´10æ1æ¥ã«LINEã¤ãã¼æ ªå¼ä¼ç¤¾ã«ãªãã¾ãããLINEã¤ãã¼æ ªå¼ä¼ç¤¾ã®æ°ããããã°ã¯ãã¡ãã§ããLINEã¤ãã¼ Tech Blog ããã«ã¡ã¯ãRï¼Dçµ±æ¬æ¬é¨ éçºæ¨é²å®¤ ã»ãã¥ãªãã£ãã©ãããã©ã¼ã æè¡ ã»ãã¥ãªãã£ã¹ãã·ã£ãªã¹ãã®æ¸ç°ãè«ã§ãã ä»åã¯ãç§ãã¡ãæ®æ®µããã¤ãã¼ã®ã·ã¹ãã ã«å¯¾ããå ¥åã«ã©ã®ãããªæ³¨æãæã£ã¦ããã®ãããã®ããã¤ãããç´¹ä»è´ãã¾ãã å ¥åã¨ã¯? Webãµã¤ããéå¶ãã¦ããå ´åãã©ã®ãããªå ¥åãããã§ããããï¼ ãã¨ãã°ãWebãµã¼ãã¹ã«ã¯ã以ä¸ã®å ¥åãããã¾ãã Cookie URL GET/POSTã®ãã¼ã¿ ãã¡ã¤ã«ã®ã¢ãããã¼ã ãã®ä»ãªã¯ã¨ã¹ãããã ãã®ã»ãã«ãããã¤ãããã¾ãã ç°å¢å¤æ° è¨å®ãã¡ã¤ã« ã¯ãã¼ã©ãåå¾ãããã¼ã¿ ãã¼ããã¼ä¼æ¥ã®APIããåå¾ãããã¼ã¿ï¼XMLãJSONãªã©ï¼ ãã¼ããã¼ä¼æ¥ã®å ¥ç¨¿ç¨ F
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}