You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session. Dismiss alert
æè¿ã¯MBSDã§Webã¢ããªã±ã¼ã·ã§ã³ã¹ãã£ãã®éçºããã¦ãã寺ç°ã§ãã Webã¢ããªã±ã¼ã·ã§ã³ãéçºãã¦ããã¨ãã»ãã¥ãªãã£ã®è¦³ç¹ã§URLããã§ãã¯ããªããã°ãªããªããã¨ããã°ãã°ããã¾ããæ¬æ¥ã®è¨äºã§ã¯ããã®ãããªURLã®ãã§ãã¯ãå¦ä½ã«è¡ãããæ£è¦è¡¨ç¾ã使ãå ´åã®æ³¨æç¹ãããã¤ãã¹æ¹æ³ãªã©ã«ã¤ãã¦æ¸ãããã¨æãã¾ãã æ¬è¨äºã§æ³å®ããã®ã¯ããã©ã¦ã¶ãããã©ã¡ã¼ã¿ã¨ãã¦æ¥ãURLããã§ãã¯ãã¦ãªãã¤ã¬ã¯ãããªã³ã¯ã®URLçã¨ãã¦ä½¿ã£ããããã©ã¦ã¶ããæ¥ãOriginãããçã®URLããã§ãã¯ãã¦ã¢ã¯ã»ã¹å¶å¾¡ãããã±ã¼ã¹ã§ãããã®ä¸ã§ãã以ä¸ã®ããã«ãµããã¡ã¤ã³é¨åï¼â ã®é¨åï¼ãå¯å¤ã«ããç¶æ³ã主ã«æ³å®ãã¾ãã https://â .example.jp/⦠ãã使ããã¦ãããªãã§ãã¯ç¨ã®æ£è¦è¡¨ç¾ã¨ããã®ãã¤ãã¹ã¯ä»¥ä¸ã®ã¨ããã§ãã æ£è¦è¡¨ç¾: ^https://.+\.example\.
å é±ã«å¼ãç¶ããä»åãufwã使ãããªãããã®ã¬ã·ããç´¹ä»ãã¾ããä»åã¯å®è·µç·¨ã¨ãªãã¾ãã®ã§ãå é±ã®åºç¤æä½ç·¨ã¨ãããã¦å©ç¨ãã¦ãã ããã ç¹å®ã®IPã¢ãã¬ã¹ããã®æ¥ç¶ã許å¯ãã ãããã¯ã¼ã¯ã®æ§æä¸ããâ ãã®IPã¢ãã¬ã¹ããã®æ¥ç¶ã¯å®å ¨ã§ããã¨ä»®å®ãã¦ããããï¼â ããã«ã¯èªåãæ®æ®µä½¿ããã·ã³ãããªãï¼ã¨ãã£ããã¨ãããã§ãããããã®ãããªå ´åã¯ã次ã®æ§æãç¨ãã¾ãã $ sudo ufw allow from 192.168.254.0/24 ãã®è¨å®ã¯ããâ 192.168.254.*ã«å±ãããã¹ãããã®ãã¹ã¦ã®éä¿¡ã許ããã¨ãããã®ã§ããåå¥ã®ãã¹ãåä½ã«ãããå ´åã¯ã次ã®ããã«IPã¢ãã¬ã¹ãæå®ãã¦ãã ããã以ä¸ã§ã¯ã192.168.254.10ããã®ãã¹ã¦ã®éä¿¡ãåãä»ããããã«è¨å®ãã¦ãã¾ãã $ sudo ufw allow from 192.168.254.10 ããã«ã以ä¸
ãã®è¨äºã¯ã NTT Communications Advent Calendar 2022 7æ¥ç®ã®è¨äºã§ãã ã¯ããã« ããã«ã¡ã¯ãã¤ããã¼ã·ã§ã³ã»ã³ã¿ã¼æå±ã®å¿æã¨ç³ãã¾ãã ãMetemcyberãããã¸ã§ã¯ãã§è å¨ã¤ã³ããªã¸ã§ã³ã¹ã«é¢ããå 製éçºãããNA4Secãããã¸ã§ã¯ãã§æ»æã¤ã³ãã©ã®è§£æã»æ²æ» ã«é¢ããæè¡éçºãæ å½ãã¦ãã¾ãã ä»åã¯ãéçºã«ä½¿ããèå¼±æ§ã¹ãã£ã³ãã¼ã«ãããã¼ãã«ãGitHub Dependabot, Trivy, Grypeã¨ãã£ããã¼ã«ã®ç´¹ä»ãããã¦ããã ãã¾ãã èå¼±æ§ã®åå ã¨SCAã«ããã¹ãã£ã³ ç¾å¨ã®ã½ããã¦ã§ã¢éçºã¯ãå¤ãã®OSSãå«ãå¤é¨ã®ã½ããã¦ã§ã¢ã«ä¾åãã¦ãã¾ããPythonãGoãnpm ãªã©å¤ãã®è¨èªã¯ãæ§ã ãªã½ããã¦ã§ã¢ãããã±ã¼ã¸ã¨ãã¦å©ç¨ã§ããã¨ã³ã·ã¹ãã ãæä¾ãã¦ããããã®ä»çµã¿ãå©ç¨ãã¦OSSãªã©ã®ã³ã³ãã¼ãã³ããã½ãã
æ¦è¦ å ãµã¤ãã®è¨±è«¾ãå¾ã¦ç¿»è¨³ã»å ¬éãããã¾ãã è±èªè¨äº: Security Best Practices for Your Rails Application | AppSignal Blog åæå ¬éæ¥: 2022/10/05 åèè : PaweÅ DÄ browski ãµã¤ã: AppSignal Blog åè: é±åRailsã¦ã©ãã20221011 Railsã®ã»ãã¥ãªãã£ãã¹ããã©ã¯ãã£ã¹ æ¥æ¬èªã¿ã¤ãã«ã¯å 容ã«å³ãããã®ã«ãã¾ãããåæã®ç« ã¤ã³ãã³ãã¯è¨³æã§ä¸é¨ãå¤æ´ãã¦ãã¾ãã 以ä¸ã®Railsã»ãã¥ãªãã£ã¬ã¤ããåããã¦ãèªã¿ãã ããã åè: Rails ã»ãã¥ãªãã£ã¬ã¤ã - Railsã¬ã¤ã Webã¢ããªã±ã¼ã·ã§ã³ãæ§ç¯ããã¨ãã¯ãããã©ã¼ãã³ã¹ã使ãåæãéè¦ããã®ã¯ãã¡ããã§ãããã»ãã¥ãªãã£ã«ã注ç®ããå¿ è¦ãããã¾ãããããã³ã°ææ³ã¯ãæè¡ã®é²åã¨å¤ãããªã
ãBunsinï¼ãã³ã·ã³ï¼ãã¯ãããªãã®ã身代ãããã¨ãªããã³ã·ã³ãä½ã£ã¦ãããªãã®æ å ±ããã©ã¤ãã·ã¼ãå®ããã¨ãã§ããã¢ããªã§ãã
ã¦ã¼ã¶ã«å¯¾ãã¦ããã®ã¦ã¼ã¶åã®ãµããã¡ã¤ã³ãã¡ã¼ã«ã¢ãã¬ã¹ãæãåºãWebãµã¼ãã¹ãããã¾ãã ããããç¹å®ã®ãµããã¡ã¤ã³ãã¡ã¼ã«ã¢ãã¬ã¹ã¯ç¹å¥ãªç¨éã§ä½¿ããã¦ãããã®ãããã¾ãããã®ãããªãµããã¡ã¤ã³ãã¡ã¼ã«ã¢ãã¬ã¹ãä¸è¬ã¦ã¼ã¶ã«æãåºãã¦ãã¾ãã¨å±éºã§ãã ç¾å¨ãIETFã§ã¯ä»æ§ä¸å©ç¨ç¨éã決ãããã¦ããããããã®ã©ãã«ãã¨ãã¾ã¨ãããDangerous Labels in DNS and E-mailãã¨ããdraftãæåºããã¦ãã¾ãã ä»åã¯ãããçºãã¦ããã¾ãã ï¼ããã¾ã§IETFã®åãçµã¿ã§ãããä»æ§ä¸å®ç¾©ããã¦ãããã®ãã¨ãã¾ã¨ãã¦ãã¾ããã¯ã©ã¦ããµã¼ãã¹ãç¹å®ãã³ãã¼ã§ç¹å¥å©ç¨ãã¦ãããã®ã¯ç¾å¨å«ã¾ãã¦ãã¾ãããï¼ ãµããã¡ã¤ã³ ããã§ã¨ãããããµããã¡ã¤ã³ã¯ãå©ç¨ç¨éã決ã¾ã£ã¦ãããä¸è¬ã¦ã¼ã¶ã«æãåºãã¹ãã§ã¯ããã¾ããã(ä¾: mta-sts.example.com)
ã¤ã³ã¿ã¼ãããã«æ¥ç¶ããã ãã§ã¦ã¤ã«ã¹ã«ææããä¸ã®ä¸ãç¡é²åãªWindows 2000 SP4ã¯ç¡å·ã§ããããã®ã!?ãããããâ»å¤ãã®åé¿ãããã¨ããããã¾ãããã®åç»ã¯çããã«ã¤ã³ã¿ã¼ãããã¯å±éºã§ãããã¨ã¨ãã¯ãªã¼ã³ã¤ã³ã¹ãã¼ã«å¾ã®Windows Updateã«æ³¨æãã¦ã»ãããã¨ãæ¹ãã¦ç¥ã£ã¦ããã ãããã¨æã£ã¦ä½æãã¾ããããããããããããããããããâ»Windows 2000ã®ãµãã¼ãã¯2010å¹´7æ13æ¥ã«çµäºãã¾ãããä»å¾ãæ°ããªèå¼±æ§ãçºè¦ããã¦ãä¿®æ£ããã¾ããã®ã§ãåç»ã®ãããªãã¨ãèµ·ããå¯è½æ§ãããã¾ããç¹ã«ãã¤ã³ã¿ã¼ãããã«ç´æ¥æ¥ç¶ããã¦ããæ¹ã¯ç·æ¥ã«å¯¾å¿ãå¿ è¦ã§ãã
å æ¥å§ã¾ã£ã LAWSON Wi-Fi ãå©ç¨ããããã«å¿ è¦ãªãã¼ã½ã³ã¢ããªã®å©ç¨è¦ç´ãã¨ãã§ããªãã£ã件ã ã¢ããªå©ç¨ä¸ã¯èª°ã®èªçæ¥ãé»è©±çªå·ãç¥ããã¦ã¯ãããªãããç¥ããã¨ãã¦ããããªãï¼ Pontaã«ã¼ãã解ç´ãããã¨ãã¦ããã¼ã½ã³ã¢ããªã®è¦ç´ã§éä¼åºæ¥ç¡ãï¼è©°ãã ï¼ ã4/10 22:10ã ç¶ããèªã
ããã¡ãéè¡ã®ã¹ã¯ã¬ã¼ãã¼ãæ¸ãã«å½ããããã¹ã¯ã¼ãã¨åè¨èãããããªãã£ãã®ã§åæåããé¡ãããã åæåããé¡ãããã®ã«ãçªå£ã®ãå§ããã«ãåéç¥ã§ããï¼ãã¨ãè¨ãããããã£ã¨è¨ãééãã ããã¨æã£ã¦ãããæ¬å½ã«ãã¹ã¯ã¼ããå¹³æã§å±ããã ãã¹ã¯ã¼ããå¿ããã®ã§éµééç¥ããé¡ãããã åã®ãã¹ã¯ã¼ãå°åããèåç´ãå±ãããï¼¼(^o^)ï¼ ããç´ããããªãã¯è¦ãã¦ããã£ããã£ããå¿ãããã¹ã¯ã¼ããå°åããã¦éµéããã¦ããã ãã¸ã§ãã³å¼ããããã å¿ãããã¹ã¯ã¼ããéããã¦ãããã (ãã¹ã¯ã¼ããå°åããã¦å±ããã) (æ証çªå·ãå°åããã¦å±ããã ) ãããã«ããã¯ãã³å¼ããããã ããæ å ±å¦çã»ã³ã¿ã®ãã¤ããæä½æ¥ã§å°ãã¦ããã§ãããã»ã»ã» ããããç´å¤±ãããã¹ã¯ã¼ããå¹³æã§ãã®ã¾ã¾å±ãã¾ããããåçºè¡ãããªãã¦ã以åã®ãã®ããã®ã¾ã¾ã éµéã§éããããããã ãã¹ã¯ã¼ããå¹³æã§ä¿æ
ãã°ãã°ããã¹ã¯ã¼ãã¯âæ¥ãã¨ã«å¤æ´ãã¾ããããã¨ããããããã©ãããã§æ¬å½ã«ã¯ã©ãã¯ã®å±éºæ§ã¯æ¸ãã®ï¼ ãããã¬ã¼ã·ã§ã³ãã¹ãã®ç¾å ´ããæ¤è¨¼ãã¾ãï¼ç·¨éé¨ï¼ â»ã注æ æ¬è¨äºã«æ²è¼ããè¡çºãèªèº«ã®ç®¡çä¸ã«ãªããããã¯ã¼ã¯ã»ã³ã³ãã¥ã¼ã¿ã«è¡ã£ãå ´åã¯ãæ»æè¡çºã¨å¤æãããå ´åããããææªã®å ´åãæ³çæªç½®ãåãããå¯è½æ§ãããã¾ããã¾ããä»åç´¹ä»ãããã¼ã«ã®ä¸ã«ã¯ãæ»æè¡çºã«å©ç¨ãããã¨ãã観ç¹ãããã¢ã³ãã¦ã¤ã«ã¹ã½ããã«ã¦ã¤ã«ã¹ã¨ãã¦æ¤åºããããã®ãåå¨ãã¾ãããã®ãããªèª¿æ»ãè¡ãå ´åã¯ãããããã許å¯ãåã£ãããã§ãèªèº«ã®ç®¡çä¸ã«ãããããã¯ã¼ã¯ããµã¼ãã«å¯¾ãã¦ã®ã¿è¡ã£ã¦ãã ãããã¾ããæ¬è¨äºãå©ç¨ããè¡çºã«ããåé¡ã«é¢ãã¾ãã¦ã¯ãçè ããã³ã¢ã¤ãã£ã¡ãã£ã¢æ ªå¼ä¼ç¤¾ã¯ä¸å責任ãè² ãããã¾ãããäºæ¿ãã ããã ä»åã¯ä¹ ãã¶ãã«ããããã¬ã¼ã·ã§ã³ãã¹ãã®ç¾å ´ã®è©±ããå§ãããã ãããã¬ã¼ã·ã§
MDISã®ãã©ã¤ãã·ã¼ãã¼ã¯èªå®çªå·ã¯ã11820285ï¼03ï¼ãã§ã2010å¹´10æ28æ¥ãæå¹æéã§ããã (03)ã®é¨åã審æ»ã¯ãªã¢åæ°ï¼èªå®åå¾ã®å¯©æ»ãå«ãï¼ãæãã¾ãã 2008å¹´10æ29æ¥ã«2åç®ã®æ´æ°å¯©æ»ãã¯ãªã¢ãã3åç®ã®æ´æ°å¯©æ»ã2010å¹´10æ28æ¥ã¾ã§ã«å®æ½ããäºå®ã ã£ãããã§ããã MDISãå人æ å ±æ¼æ´©ã«ã¤ãã¦ãè©«ã³ãå ¬è¡¨ããã®ã2010å¹´9æ28æ¥ãï¼çºè¦ããã®ã¯ããã«åï¼ ãã©ã¤ãã·ã¼ãã¼ã¯ãä»ä¸ãããäºæ¥è ã¯ãå人æ å ±æ¼æ´©äºä»¶ãçºè¦ããå ´åã¯éããã«èªå®æ©é¢çã«å ±åãããã¨ã義åä»ãããã¦ããã®ã§ãæ¨æ¸¬ã§ããã3åç®ã®æ´æ°å¯©æ»ã®æºåä¸ã«èªå®æ©é¢ã«å ±åããã®ã§ãããã ããã¦å¦åã決å®ããã®ã2011å¹´1æ25æ¥ã ãã©ã¤ãã·ã¼ãã¼ã¯æ´æ°éè¿ã«æ å ±æ¼ãããçºè¦ããã®ã§ããã¼ã¯ã®æ´æ°èªä½ãå«ãã¦å¦åãæ¤è¨ãã¦ããã®ããªã >> ã¨ããäºã ããä»ååæ¢ãããèªå®
ã¼ã就活çããªã¯ããããJRæ±æµ·ã«ãã¬ã¨ã³ããªã¼ãã¦é©ããã â â â JRæ±æµ·ããIDã»ãã¹ã¯ã¼ãã®ãç¥ããâ â â ãã®ã«ãå¢ç° æ§ âãã®ã«ãå¢ç°ããã®ï¼©ï¼¤ã»ãã¹ã¯ã¼ãâ IDï¼12345678 ãã¹ã¯ã¼ãï¼mypassword ããã«ã¡ã¯ï¼ï¼ªï¼²æ±æµ·äººäºé¨ã§ãã ãã®ãã³ã¯å½ç¤¾ã«ãã¬ã¨ã³ããªã¼ãè¡ã£ã¦é ãã¾ãã¦ã èª ã«ãããã¨ããããã¾ããã ãããªã¡ã¼ã«ãå±ããã®ã ãªã«ã«é©ããã£ã¦ï¼ç»é²ç»é¢ã§å ¥åãããã¹ã¯ã¼ããå¹³æã¡ã¼ã«ã«æ¸ããã¦ãã£ã¦ã¨ãã ãmypasswordãã£ã¦æ¸ãã¦ãã¨ããã«ã¼ãã®å¤§äºãªãã¹ã¯ã¼ããæ¸ããã¦ãã®ãGmailã§ã使ã£ã¦ã大åãªãã¤ã åããã¹ã¯ã¼ã使ã£ã¦ãã¼ããç¸å½éæããªãã ãã©ããã¾ã®æ代ããããªãã§ãå¹³æã¡ã¼ã«ã«ãã¹ã¯ã¼ãã¯ãªãã§ããã ã¨ã£ã¦ãæãã£ãã®ã§JRæ±æµ·ã¨Gmailã®ãã¹ã¯ã¼ããå¤æ´ãã¦å¯ã¾ããã ææã¯ããã§çµãããã«ï¼ã¶æå¾ããããªã¡ã¼
ä»æ§ Twitterã®URLèªåãªã³ã¯ã¿ãããªæ©è½ãå®ç¾ããé¢æ°expandString(String):Stringãå®è£ ããªãã(è¨èªèªç±) å ¥å: æåå åºå: HTMLæçæåå 以ä¸ã®æååããªã³ã¯ã«å±éããã㨠URL: http,httpsã®URLãããã®URLã¸ãªã³ã¯ãã @: @(ã¦ã¼ã¶id)ããhttp://twitter.com/(ã¦ã¼ã¶id)ã¸ãªã³ã¯ãã ããã·ã¥ã¿ã°: #(ããã·ã¥ã¿ã°å)ããhttp://twitter.com/#search&q=%23(ããã·ã¥ã¿ã°å)ã¸ãªã³ã¯ãã ãã ããä¸è¨ã®ä»æ§ã¯ææ§ã§ããã詳細ã«ã¤ãã¦ã¯ã»ãã¥ãªãã£ã¨å©ä¾¿æ§ã«é æ ®ã決å®ãããã¨ã ãµã³ãã«å ¥åºå expandString('hoge') => hoge expandString('ãªã³ã¯ http://example.com/') => ãªã³ã¯ <a href="ht
Webã¢ããªã±ã¼ã·ã§ã³éçºè ã«ã¨ã£ã¦åã£ã¦ãåããªãåé¡ââãããã»ãã¥ãªãã£å¯¾çã ãæ¥å¢ãã«è¤éã«ãªã£ã¦ããè¦ä»¶ã»æ©è½ã«å¯¾ããèå¼±æ§æ¤æ»ã«æ²é³´ãããã¦ããããããã/ãã¹ã¿ã¼ãå¤ããã¨ã ããããã®ãããªä¸ããã®Googleãã社å ã§ãæ´»ç¨ãã¦ããèå¼±æ§çºè¦ãã¼ã«ããªã¼ãã³ã½ã¼ã¹åãã¦å ¬éãããåãã¼ã«ã¯èå¼±æ§æ¤æ»ã®æ°ãã決ãæã¨ãªããã以ä¸ãåºæ¬çãªä½¿ãæ¹ã主è¦æ©è½ã«ã¤ãã¦ç´¹ä»ãã¦ãããã Google社å ã§ç¾å½¹ã®èå¼±æ§æ¤ç¥ãã¼ã« - ratproxy Googleã¯1æ¥(ç±³å½æé)ãWebã¢ããªã±ã¼ã·ã§ã³ã®ã»ãã¥ãªãã£ç£æ»ãå®æ½ãããã¼ã«ãratproxyãããªãªã¼ã¹ãããratproxyã¯ãããã·ãµã¼ãã¨ãã¦åä½ãããªã¼ãã³ã½ã¼ã¹ã½ããã¦ã§ã¢ãåã½ããã¦ã§ã¢ãçµç±ãã¦Webã¢ããªã±ã¼ã·ã§ã³ãæä½ãããã¨ã§ãXSS(Cross Site Scripting)åé¡ãä¸é©åãªXSRF(Cr
4. 徳丸浩ã®èªå·±ç´¹ä» ⢠çµæ´ â 1985å¹´ 京ã»ã©æ ªå¼ä¼ç¤¾å ¥ç¤¾ â 1995å¹´ 京ã»ã©ã³ãã¥ãã±ã¼ã·ã§ã³ã·ã¹ãã æ ªå¼ä¼ç¤¾(KCCS)ã«åºåã»è»¢ç± â 2008å¹´ KCCSéè·ãHASHã³ã³ãµã«ãã£ã³ã°æ ªå¼ä¼ç¤¾è¨ç« ⢠çµé¨ããã㨠â 京ã»ã©å ¥ç¤¾å½æã¯CADãè¨ç®å¹¾ä½å¦ãæ°å¤ã·ãã¥ã¬ã¼ã·ã§ã³ãªã©ãæ å½ â ãã®å¾ãä¼æ¥åãããã±ã¼ã¸ã½ããã®ä¼ç»ã»éçºã»äºæ¥åãæ å½ â 1999å¹´ãããæºå¸¯é»è©±åãã¤ã³ãã©ããã©ãããã©ã¼ã ã®ä¼ç»ã»éçºãæ å½ Webã¢ããªã±ã¼ã·ã§ã³ã®ã»ãã¥ãªãã£åé¡ã«ç´é¢ãç 究ã社å å±éãå¯ç¨¿ãªã©ãéå§ â 2004å¹´ã«KCCS社å ãã³ãã£ã¼ã¨ãã¦Webã¢ããªã±ã¼ã·ã§ã³ã»ãã¥ãªãã£äºæ¥ãç«ã¡ä¸ã ⢠ãã®ä» â 1990å¹´ã«Pascalã³ã³ãã¤ã©ãCabezonãéçºããªã¼ãã³ã½ã¼ã¹ã§å ¬é ã大å¦æ代ã®Pascalæ¼ç¿ãCabezonã§ãããã¨ããæ¹ã«ãç®ã«ããããã¨
XSS (Cross Site Scripting) Cheat Sheet Esp: for filter evasion By RSnake Note from the author: XSS is Cross Site Scripting. If you don't know how XSS (Cross Site Scripting) works, this page probably won't help you. This page is for people who already understand the basics of XSS attacks but want a deep understanding of the nuances regarding filter evasion. This page will also not show you how to
以ä¸ã¯ãWEBããã°ã©ãã¼ç¨ã®WEBèå¼±æ§ã®åºç¤ç¥èã®ä¸è¦§ã§ãã WEBããã°ã©ãã¼ã®äººã¯ãããèªãã°WEBèå¼±æ§ã®åºç¤ããã¹ã¿ã¼ãã¦WEBããã°ã©ã ãæ¸ããã¨ãã§ããããã«ãªã£ã¦ããããã§ãã ã¾ããWEBèå¼±æ§ã®ç°¡æãªãã¡ã¬ã³ã¹ã¨ãã¦ãå°ãå©ç¨ã§ããããããã¾ããã WEBã¢ããªã±ã¼ã·ã§ã³ãéçºããã«ã¯ãéçºè¦ä»¶æ¸ãããã°ã©ã ä»æ§æ¸éãã«éçºããã°è¯ãã¨ããããã«ã¯ããã¾ããã ãããWEBèå¼±æ§ãçãæªæã®ã¦ã¼ã¶ã«ã対å¦ããªãã¨ãããªãã®ã§ãã ä»åãWEBã¢ããªã±ã¼ã·ã§ã³ãéçºã«ããã£ã¦ã®WEBèå¼±æ§ãã以ä¸ã®ä¸è¦§ã«ã¾ã¨ãã¦ã¿ã¾ããã ãã®ã¾ã¨ããWEBã¢ããªã±ã¼ã·ã§ã³éçºã®åèã«ãªãã°å¹¸ãã§ãã ã¤ã³ã¸ã§ã¯ã·ã§ã³ ã¯ãã¹ãµã¤ãã»ã¹ã¯ãªããã£ã³ã° ã»ãã·ã§ã³ã»ãã¤ã¸ã£ã㯠ã¢ã¯ã»ã¹å¶å¾¡ãèªå¯å¶å¾¡ã®æ¬ è½ ãã£ã¬ã¯ããªã»ãã©ãã¼ãµã«(Directory Traversal) CSRFï¼
strcmpã使ã£ã¦ãã¹ã¯ã¼ããå¤å®ããã¨ãã¿ã¤ãã³ã°æ»æ (timing attack) ã«ããããå±éºæ§ããããã¨ã®èª¬æ (ç´20å)ã ã¾ã¨ã: ãã¹ã¯ã¼ããªã©ã®æååã strcmpé¢æ° (ããã³ããã«é¡ããé¢æ°) ã使ã£ã¦å¤å®ããã¨ã ãã®å¤å®ã«ãããæéã測å®ãããã¨ã§ããã¹ã¯ã¼ããæ¨æ¸¬ã§ãã¦ãã¾ãå ´åãããã ãããã¿ã¤ãã³ã°æ»æ (timing attack) ã¨ããã ãã®ä¾ã§ã¯ã36種é¡ã®æåã使ã£ã8æååã®ãã¹ã¯ã¼ããæ¨æ¸¬ããã®ã«ã é常ã®ããã¿ã¤ã¶ããªæ¹æ³ (bruteforce attack) ⦠368 = 2821109907456å ã®è©¦è¡ãå¿ è¦ãªã®ã«å¯¾ãã¦ã ã¿ã¤ãã³ã°æ»æã使ã£ãæ¹æ³ ⦠10000Ã8 = 80000å ããããããªããã¿ã¤ãã³ã°æ»æãæåããã¦ãã¾ãã¨ã éè¦ãªæ å ±ãæ¼æ´©ãã¦ãã¾ãå±éºæ§ãããã ãããé²ãããã«ã¯ããªãã¹ãå®è¡æé
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}}