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»ó¼¼¼³¸í Opera À¥ ºê¶ó¿ìÀúÀÇ ¹öÀü¿¡ µû¸£¸é Opera¿¡´Â 'embed' ű×ÀÇ Ã³¸® °úÁ¤¿¡ ÀÖ´Â ¼­ºñ½º °ÅºÎ Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù. Opera´Â ´ÙÁßÀÇ ¿î¿µÃ¼Á¦ ¿ëÀ¸·Î Opera Software »ç¿¡ ÀÇÇØ °³¹ßµÈ À¥ ºê¶ó¿ìÀúÀÌ´Ù. Opera 7.23 build 3227Àº 'embed' ű×ÀÇ Ã³¸® °úÁ¤¿¡ ÀÖ´Â ¼­ºñ½º °ÅºÎ °ø°Ý¿¡ Ãë¾àÇÏ´Ù. ¿ø°ÝÁöÀÇ °ø°ÝÀÚ´Â ºó 'src' ű׸¦ °¡Áø ³»ÀåÇü 'CCCC' °´Ã¼¸¦ Æ÷ÇÔÇÑ ¾Ç¼º HTMLÀ» ¸¸µé¾î ÀÌ HTMLÀÌ ´ë»ó »ç¿ëÀÚ°¡¿¡ ÀÇÇØ ·ÎµåµÉ ¶§ ´ë»ó »ç¿ëÀÚÀÇ ºê¶ó¿ìÀú°¡ Å©·¡½¬¸¦ ÀÏÀ¸Å°µµ·Ï ÇÒ ¼ö ÀÖ´Ù.

* ¾Ë¸²: ÀÌ Á¡°ËÇ׸ñÀº Á¡°ËÇϱâ À§ÇÑ È£½ºÆ®·Î ·Î±×ÀÎ ÇÒ ¼ö ÀÖ´Â °ü¸®ÀÚ ±ÇÇÑÀ» °¡Áø °èÁ¤À» ÇÊ¿ä·Î ÇÑ´Ù. ÀÌ·¯ÇÑ Á¶°ÇÀÌ ¾ÈµÇ¸é Á¡°ËÀ» ¼öÇàÇÒ ¼ö ¾øÀ¸¸ç ¸ðµç Ãë¾àÇÑ È£½ºÆ®µé¿¡ ´ëÇØ¼­ °ÅÁþ À½¼º¹ÝÀÀ(False Negative)À» º¸ÀÏ ¼ö ÀÖ´Ù.

* Âü°í »çÀÌÆ®:
http://archives.neohapsis.com/archives/bugtraq/2004-09/0011.html
http://www.securitytracker.com/alerts/2004/Sep/1011142.html

* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû:
Opera Software, Opera 7.23 build 3227
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ÇØ°áÃ¥ ´ÙÀ½ Opera À¥ »çÀÌÆ®¿¡¼­ OperaÀÇ °¡Àå ÃֽйöÀü (7.54 ȤÀº ÀÌÈÄ)À» ±¸ÇÏ¿© ¾÷±×·¹À̵å ÇÏ¿©¾ß ÇÑ´Ù:
http://www.opera.com/download/
°ü·Ã URL (CVE)
°ü·Ã URL 11090 (SecurityFocus)
°ü·Ã URL 17215 (ISS)