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Ãë¾àÁ¡ID 23208
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ÇÁ·ÎÅäÄÝ TCP
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»ó¼¼¼³¸í CUPS ¼­¹öÀÇ ¹è³Ê Á¤º¸¿¡ µû¸£¸é ÇØ´ç ¼­¹ö¿¡´Â asn1_get_string ÇÔ¼ö¿¡ ÀÖ´Â ½ºÅà ±â¹ÝÀÇ ¹öÆÛ ¿À¹öÇ÷οì Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù. Easy Software Products »çÀÇ CUPS(Common UNIX Printing System)Àº "Internet Printing Protocol"¿¡ ±â¹ÝÀ» µÐ UNIX Ç÷§ÆûµéÀ» À§ÇÑ À̱âÁ¾°£ ÇÁ¸°Æ® ÀÛ¾÷ ¼Ö·ç¼ÇÀÌ´Ù. CUPS´Â À¥ ±â¹ÝÀÇ ±×·¡ÇÇÄà ÀÎÅÍÆäÀ̽ºÀ» °¡Áö°í ÀÖÀ¸¸ç ´ëºÎºÐÀÇ Linux ½Ã½ºÅ۵鿡¼­µµ »ç¿ë °¡´ÉÇÏ´Ù. CUPS ¹öÀü 1.3.4¿Í ±× ÀÌÀüÀÇ ¹öÀüµéÀº "asn1_get_string()" [backend/snmp.c] ÇÔ¼ö¿¡ ÀÖ´Â Á¤¼öÇü ºÎÈ£(signedness) ¿À·ù·Î ÀÎÇÏ¿©, ½ºÅà ±â¹ÝÀÇ ¹öÆÛ ¿À¹öÇ÷οì Ãë¾àÁ¡¿¡ Ãë¾àÇÏ´Ù. Asn1 ÀÎÄÚµùµÈ ¹®ÀÚ¿­¿¡ À½¼ö ±æÀÌ °ªµéÀ» °¡Áø Àß Á¶ÀÛµÈ SNMP ÀÀ´äÀ» º¸³¿À¸·Î½á, ¿ø°ÝÁöÀÇ °ø°ÝÀÚ´Â ÀÌ Ãë¾àÁ¡À» µµ¿ëÇÒ ¼ö ÀÖÀ¸¸ç, ½Ã½ºÅÛ »ó¿¡ ÀÓÀÇÀÇ Äڵ带 ½ÇÇàÇϰųª ȤÀº ¿µÇâÀ» ¹Þ´Â ¼­ºñ½º¸¦ Å©·¡½¬ ½Ãų ¼ö ÀÖ´Ù.

* ¾Ë¸²: ÀÌ Á¡°ËÇ׸ñÀº ÀÌ Ãë¾àÁ¡À» Á¡°ËÇϱâ À§ÇØ ÇØ´ç CUPS ¼­¹öÀÇ ¹è³Ê Á¤º¸¸¸À» È®ÀÎÇÑ´Ù. µû¶ó¼­ °ÅÁþ ¾ç¼º¹ÝÀÀ(False Positive)À» º¸ÀÏ ¼ö ÀÖ´Ù.

* Âü°í »çÀÌÆ®:
http://www.cups.org/str.php?L2589
http://www.cups.org/articles.php?L519
http://secunia.com/advisories/28129

* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû:
Easy Software Products, CUPS ¹öÀü 1.3.4¿Í ±× ÀÌÀüÀÇ ¹öÀüµé
Linux Any version
Unix Any version
ÇØ°áÃ¥ CUPS ¼ÒÇÁÆ®¿þ¾î À¥ »çÀÌÆ®ÀÎ http://www.cups.org/software.php ±¸ÇÒ ¼ö ÀÖ´Â CUPSÀÇ °¡Àå ÃֽŠ¹öÀü(1.3.5 ȤÀº ÀÌÈÄ)À¸·Î ¾÷±×·¹À̵å ÇÏ¿©¾ß ÇÑ´Ù.
°ü·Ã URL CVE-2007-5849 (CVE)
°ü·Ã URL 26917 (SecurityFocus)
°ü·Ã URL 39101 (ISS)