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Ãë¾àÁ¡ID 12003
À§Çèµµ 40
Æ÷Æ® 139,445
ÇÁ·ÎÅäÄÝ TCP
ºÐ·ù SMB
»ó¼¼¼³¸í ÇØ´ç Windows Ç÷§ÆûÀº Network Share Provider¿¡ ÀÖ´Â ¼­ºñ½º°ÅºÎ Ãë¾àÁ¡À» °¡Áö°í ÀÖ´Ù.
¸¶ÀÌÅ©·Î¼ÒÇÁÆ®ÀÇ Server Message Block (SMB)Àº ÄÄÇ»ÅͰ£ÀÇ µ¥ÀÌÅÍ¿Í ÀÚ¿øµéÀ» °øÀ¯Çϱâ À§ÇÑ ÇÁ·ÎÅäÄÝÀÌ´Ù. ¸¶ÀÌÅ©·Î¼ÒÇÁÆ® Windows NT, Windows 2000, ±×¸®°í Windows XPÀÇ SMB ÇÁ·ÎÅäÄÝ¿¡ ÀÖ´Â ¹öÆÛ ¿À¹öÇ÷οì´Â °ø°ÝÀÚ°¡ (1) NetShareEnum, (2) NetServerEnum2, ȤÀº (3) NetServerEnum3¿¡ ´ëÇÑ ¿äûÀ¸·Î SMB_COM_TRANSACTION ÆÐŶÀ» ÅëÇØ ¼­ºñ½º°ÅºÎ¸¦ À¯¹ßÇÏ°Ô ÇÒ ¼ö ÀÖ´Ù. °ø°ÝÀÚ´Â »ç¿ëÀÚ °èÁ¤À» °¡Áö°Å³ª ȤÀº À͸í(Anonymous)ÀÇ ±ÇÇÑÀ¸·Î À̸¦ ÇàÇÒ ¼ö ÀÖ´Ù. È®½ÇÇÏÁö´Â ¾ÊÁö¸¸ ÀÓÀÇÀÇ Äڵ带 ½ÇÇàÇÒ ¼öµµ ÀÖ´Ù.

Ãë¾àÇÑ Ç÷§Æû:
- Windows NT 4.0 Workstation/Server
- Windows 2000 Professional/Advanced Server
- Windows XP Professional

Ãë¾àÇÏÁö ¾ÊÀº Ç÷§Æû
- Windows VISTA, 7, 8
- Windows Server 2003, 2008, 2012

* ¾Ë¸²: ´ë»ó À©µµ¿ì ½Ã½ºÅÛÀº ÀÌ Å×½ºÆ®¿¡ ÀÇÇØ Å©·¡½¬µÇ¾î Àç½ÃÀÛµÈ °ÍÀ¸·Î º¸ÀδÙ.

* Âü°í »çÀÌÆ®:
http://www.microsoft.com/technet/security/bulletin/ms02-045.asp
http://www.corest.com/common/showdoc.php?idx=262&idxseccion=10
ÇØ°áÃ¥ ´ÙÀ½ ¸¶ÀÌÅ©·Î¼ÒÇÁÆ®ÀÇ º¸¾È °Ô½ÃÆÇ MS02-037À» ÂüÁ¶ÇÏ¿© ÀÌ Ãë¾àÁ¡¿¡ ´ëÇÑ ÀûÀýÇÑ ÆÐÄ¡¸¦ Àû¿ëÇÏ¿©¾ß ÇÑ´Ù:
http://www.microsoft.com/technet/security/bulletin/ms02-045.asp

Àӽà Á¶Ä¡¹æ¹ýÀ¸·Î:
- À͸íÀ¸·ÎÀÇ Á¢±Ù(anonymous access, NULL connections)À» Disable ½ÃÄÑ¾ß ÇÑ´Ù.
ÀÌ´Â ÇÕ¹ýÀûÀÎ »ç¿ëÀÚµéÀÇ Ãë¾àÁ¡¿¡ ´ëÇÑ ÇÇÇØ¸¦ ¸·À» ¼ö ÀÖ´Ù.

- ½Å·Ú¼ºÀÌ ¾ø´Â ³×Æ®¿÷À¸·ÎºÎÅÍ SMB Æ÷Æ®µé¿¡ ´ëÇÑ Á¢±ÙÀ» Â÷´ÜÇÏ¿©¾ß ÇÑ´Ù.
³×Æ®¿÷ Àåºñ¿¡¼­ tcp/445¿Í tcp/139 Æ÷Æ®µéÀ» Â÷´ÜÇÔÀ¸·Î½á ½Å·Ú¼º ¾ø´Â
¿µ¿ªÀ¸·ÎºÎÅÍÀÇ °ø°ÝµéÀ» ¸·À» ¼ö ÀÖÀ» °ÍÀÌ´Ù. ±×·¯³ª À̰ÍÀº ÇÕ¹ýÀûÀÎ
»ç¿ëÀÚµéÀÌ ÇÊ¿ä·Î ÇÏ´Â ÆÄÀÏ ±×¸®°í ÇÁ¸°ÆÃ ¼­ºñ½ºµéÀÌ Àִ ȯ°æ¿¡¼­
ÀûÇÕÇÑ ÇØ°áÃ¥Àº ¾Æ´Ï´Ù.

- Lanman ¼­¹ö¸¦ ³»·Á³õ¾Æ¾ß ÇÑ´Ù (net stop lanmanserver).
À̰ÍÀº °ø°ÝÀÚµé·ÎºÎÅÍÀÇ µµ¿ëÀ» Â÷´ÜÇÒ ¼ö ÀÖÁö¸¸ Ãë¾àÇÑ ¼­¹ö·ÎºÎÅÍ
¸ðµç ÆÄÀÏ ±×¸®°í ÇÁ¸°Æ® °øÀ¯ ±â´ÉÀ» Á¦°ÅÇÏ´Â °ÍÀÌ´Ù.
´ëºÎºÐÀÇ È¯°æ¿¡¼­ ÀûÇÕÇÑ ÇØ°áÃ¥Àº ¾Æ´Ò °ÍÀÌ´Ù.
°ü·Ã URL CVE-2002-0724 (CVE)
°ü·Ã URL (SecurityFocus)
°ü·Ã URL (ISS)