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ÇÁ·ÎÅäÄÝ TCP
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»ó¼¼¼³¸í ÇØ´ç À¥ ¼­¹ö´Â 5.3.9 º¸´Ù ´õ ¿À·¡µÈ PHPÀÇ ¹öÀüÀ» °¡µ¿ ÁßÀÌ´Ù. PHP´Â À¥ °³¹ß¿¡ ÀûÇÕÇÏ°í HTML¿¡ ÀÓº£µðµå(embedded) µÉ ¼ö ÀÖ´Â ³Î¸® »ç¿ë ÁßÀÎ ¹ü¿ë ½ºÅ©¸³Æà ¾ð¾îÀÌ´Ù. PHPÀÇ 5.3.9 ÀÌÀüÀÇ ¹öÀüµéÀº ÄÚµå ½ÇÇà Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù.

Çؽ¬ Ãæµ¹¿¡ ÀÇÇÑ ¼­ºñ½º °ÅºÎ Ãë¾àÁ¡À» ¼öÁ¤ÇÑ ¿µÇâÀ¸·Î(CVE-2011-4885) 'php_variables.c' ÆÄÀÏÀÇ 'php_register_variable_ex()'ÇÔ¼ö¿¡¼­ ¿ø°Ý ÄÚµå ½ÇÇà Ãë¾àÁ¡ÀÌ ¹ß»ýÇÑ´Ù.
»õ·Î¿î ¼³Á¤º¯¼öÀÎ 'max_input_vars'°¡ Ãß°¡µÇ¾úÀ¸¸ç, ÀԷº¯¼öÀÇ °¹¼ö°¡ ÀÌ °ªÀ» ÃÊ°úÇϸç, ¹è¿­·Î »ç¿ëµÇ¾î Áø´Ù¸é ÄÚµå ½ÇÇàÀÌ ¹ß»ýÇÑ´Ù.

* ¾Ë¸²: ÀÌ Á¡°ËÇ׸ñÀº ÀÌ Ãë¾àÁ¡À» Á¡°ËÇϱâ À§ÇØ ÇØ´ç ¿ø°ÝÁö PHP ¼­¹öÀÇ ¹öÀü Á¤º¸¸¸À» È®ÀÎÇÑ´Ù. µû¶ó¼­ °ÅÁþ ¾ç¼º¹ÝÀÀ(False Positive)À» º¸ÀÏ ¼ö ÀÖ´Ù.

* Âü°í »çÀÌÆ®:
https://gist.github.com/1725489
http://www.php.net/ChangeLog-5.php#5.3.10
http://thexploit.com/sec/critical-php-remote-vulnerability-introduced-in-fix-for-php-hashtable-collision-dos/
http://svn.php.net/viewvc?view=revision&revision=323007

* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû:
PHP 5.3.9 ÀÌÀüÀÇ ¹öÀüµé
Any operating system Any version
ÇØ°áÃ¥ PHP À¥ »çÀÌÆ®ÀÎ http://www.php.net/downloads.php ¿¡¼­ ±¸ÇÒ ¼ö ÀÖ´Â PHPÀÇ °¡Àå ÃֽŠ¹öÀü(5.3.9 ȤÀº ÀÌÈÄ)À¸·Î ¾÷±×·¹À̵å ÇÏ¿©¾ß ÇÑ´Ù.
°ü·Ã URL CVE-2012-0830 (CVE)
°ü·Ã URL 51830 (SecurityFocus)
°ü·Ã URL (ISS)