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»ó¼¼¼³¸í ÇØ´ç Cisco ONS Ç÷§Æû¿¡´Â ´ÙÁßÀÇ Ãë¾àÁ¡µé(º¸¾È ±Ç°í¾È 20040219)ÀÌ Á¸ÀçÇÑ´Ù. º¸°íµÈ ¹®Á¦Á¡µéÀÇ ´ëºÎºÐÀº ´Ù¾çÇÑ ¼­ºñ½º °ÅºÎ ±×¸®°í ÀÎÁõ Ãë¾àÁ¡µé°ú °ü·ÃÇÑ´Ù:

- Á¸ÀçÇÏÁö ¾Ê´Â »ç¿ëÀÚ¸í°ú ÆÐ½º¿öµå¸¦ ÀÌ¿ëÇÏ¿© Cisco ONS Ç÷§Æûµé¿¡ FTP Á¢¼ÓÀ» ¿­ ¼ö ÀÖ´Ù.
- SNMP community string "public"Àº Cisco ONS ¼ÒÇÁÆ®¿þ¾î¿¡¼­ ¹Ù²Ü ¼ö ¾ø°Ô µÇ¾î ÀÖ´Ù.
- HTTP¸¦ ÅëÇØ À߸øµÈ CORBA IOR(Interoperable Object Reference)À» ¿äûÇÏ°Ô µÇ¸é Cisco ONS Ç÷§ÆûÀÇ Àç½ÃÀÛÀ» ÃÊ·¡ÇÑ´Ù.
- Cisco ONS Ç÷§ÆûµéÀº žÀçµÈ VxWorks ¿î¿µÃ¼Á¦¿¡ ´ëÇÑ ¾×¼¼½º¸¦ ¾ò¾î³¾ ¼ö ÀÖ´Â »ç¿ëÀÚ¸í°ú ÆÐ½º¿öµå¸¦ °¡Áö°í ÀÖÀ¸¸ç ÀÌ °èÁ¤À» º¯°æÇϰųª »ç¿ë ÁßÁö½Ãų ¼öµµ ¾ø´Ù.
- TFTP ¼­¹ö°¡ TFTP GET ±×¸®°í PUT ¸í·Éµé¿¡ ´ëÇÑ ºñÀΰ¡µÈ ¾×¼¼½º¸¦ Çã¿ëÇÑ´Ù.

* ¾Ë¸²: ÀÌ Á¡°ËÇ׸ñÀº ÀÌ Ãë¾àÁ¡À» Á¡°ËÇϱâ À§ÇØ ÇØ´ç ½Ã½ºÅÛÀÇ ¹öÀüÁ¤º¸¸¸À» È®ÀÎÇÑ´Ù. µû¶ó¼­ °ÅÁþ ¾ç¼º¹ÝÀÀ(False Positive)À» º¸ÀÏ ¼ö ÀÖ´Ù. ÀÌ Á¡°ËÇ׸ñÀº ¶ÇÇÑ ¹öÀüÁ¤º¸¸¦ ¼öÁýÇϱâ À§ÇÏ¿© Àб⠱ÇÇÑÀÇ SNMP Community ¹®ÀÚ¿­À» ÇÊ¿ä·Î ÇÑ´Ù. À̸¦ À§Çؼ­´Â Á¤Ã¥ ÆíÁý±â¿¡¼­ Á¡°ËÇ׸ñ "snmp/guessable/r"¿¡ Ÿ´çÇÑ Community ¹®ÀÚ¿­À» Ãß°¡ÇÏ¿©¾ß ÇÑ´Ù.

* Âü°í »çÀÌÆ®:
http://www.cisco.com/warp/public/707/cisco-sa-20040219-ONS.shtml
http://www.cisco.com/warp/public/707/ons-multiple-vuln-pub.shtml
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20020619-ons-tos

* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû:
Cisco Systems, Inc., Cisco ONS15327 4.1(3) ÀÌÀü ¹öÀüµé
Cisco Systems, Inc., Cisco ONS15454 4.6(1) ÀÌÀü ¹öÀüµé
Cisco Systems, Inc., Cisco ONS15454 SDH 4.1(3) ÀÌÀü ¹öÀüµé
Cisco Systems, Inc., Cisco ONS15600 1.3(0) ÀÌÀü ¹öÀüµé
ÇØ°áÃ¥ ´ÙÀ½ Cisco º¸¾È ±Ç°í¾È(Cisco ONS 15327, ONS 15454, ONS 15454 SDH, and ONS 15600 Malformed Packet Vulnerabilities)ÀÇ "Software Versions and Fixes" ¸¦ ÂüÁ¶ÇÏ¿© ¹®Á¦°¡ ÇØ°áµÈ ¹öÀüÀ¸·Î ¾÷±×·¹À̵å ÇÏ¿©¾ß ÇÑ´Ù:
http://www.cisco.com/warp/public/707/cisco-sa-20040219-ONS.shtml


ÀÚ¼¼ÇÑ ³»¿ëÀº ´ÙÀ½ »çÀÌÆ®¿¡¼­ º¼ ¼ö ÀÖ´Ù:
http://www.cisco.com/warp/public/707/cisco-sa-20040219-ONS.shtml
°ü·Ã URL CVE-2004-0308,CVE-2002-0952,CVE-2002-1553,CVE-2002-1554,CVE-2002-1555,CVE-2002-1556,CVE-2002-1557,CVE-2002-1558 (CVE)
°ü·Ã URL 9699,6084,6083,6082,6081,6078,6076,6073,5058 (SecurityFocus)
°ü·Ã URL 15266,10506,10507,10508,10509,10510,9377 (ISS)