Laravel <= v8.4.2 debug mode: Remote code execution
Posted By Charles Fol laravel rce debug file write file read CVE-2021-3129 Laravel <= v8.4.2 debug mode: Remote code execution (CVE-2021-3129)In late November of 2020, during a security audit for one of our clients, we came accross a website based on Laravel. While the site's security state was pretty good, we remarked that it was running in debug mode, thus displaying verbose error messages inclu
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laravelã®ãƒ¤ãƒã„脆弱性をã¤ã„ãŸkinsing(kdevtmpfsi)ã¨ã„ã†ãƒžãƒ«ã‚¦ã‚§ã‚¢ã«æ„ŸæŸ“ã—ãŸè©± CVE-2021-3129PHPSecurityLaravelkinsingkdevtmpfsi webサーãƒãƒ¼ä¸Šã§laravelã‚’å‹•ã‹ã—ã¦ã„ã‚Œã°ã€ã¡ã‚‡ã£ã¨ã—ãŸè¨å®šã®ãƒŸã‚¹ã§èª°ã§ã‚‚マルウェアã«æ„ŸæŸ“ã™ã‚‹å¯èƒ½æ€§ãŒã‚る激ヤãƒã‚»ã‚ュリティホール(CVE-2021-3129)ãŒ2021å¹´1月20æ—¥ã«å ±å‘Šã•ã‚Œã¦ã„ã¾ã™ï¼ composerã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ãŸãƒ‘ッケージをãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚¢ãƒƒãƒ—ã›ãšã«ä½¿ã£ã¦ã„ã¾ã›ã‚“ã‹ï¼Ÿ インターãƒãƒƒãƒˆä¸Šã«å…¬é–‹ã•ã‚Œã¦ã„るサーãƒãƒ¼ã€ç‰¹ã«ã‚¹ãƒ†ãƒ¼ã‚¸ãƒ³ã‚°ã‚„開発環境ã§DEBUG=ONã«ã—ã¦ã„ã¾ã›ã‚“ã‹ï¼Ÿ エラー画é¢ãŒã“ã‚“ãªé¢¨ã«è¦‹ãˆã¾ã™ã‹ï¼Ÿ ã“ã®3ã¤ã®æ¡ä»¶ã‚’満ãŸã—ã¦ã„ã‚‹ã¨ã€ã‚ãªãŸã®laravelã¯ã€ä»Šã™ãã«ã§ã‚‚マルウェアã«æ„ŸæŸ“ã™ã‚‹å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚ laravelã®è„†å¼±æ€§ã‚’ã¤ã„ãŸkinsing(k
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