| Ãë¾àÁ¡ID |
21096 |
| À§Çèµµ |
40 |
| Æ÷Æ® |
80, ... |
| ÇÁ·ÎÅäÄÝ |
TCP |
| ºÐ·ù |
CGI |
| »ó¼¼¼³¸í |
ÇØ´ç ¼¹ö¿¡ 'webdist.cgi' CGI ÇÁ·Î±×·¥ÀÌ ¼³Ä¡µÇ¾î ÀÖ´Ù. ±¸¹öÀüÀÇ IRIX ¼¹ö¿¡ Outbox Environment subsystemÀ¸·Î Á¦°øµÇ´Â ¸î°³ÀÇ ÇÁ·Î±×·¥µé¿¡ º¸¾È Ãë¾àÁ¡À» °¡Áö°í ÀÖ´Ù. IRIX 5.x¿Í 6.x¿ëÀ¸·Î ¹èÆ÷µÈ webdist.cgi, handler¿Í wrap CGI ÇÁ·Î±×·¥µéÀÌ ¹®Á¦°¡ µÇ°í ÀÖÀ¸¸ç, À̵é ÇÁ·Î±×·¥µéÀº ¿ÜºÎ Attacker¿¡°Ô À¥¼¹ö httpd µ¥¸óÀÇ ±ÇÇÑÀ» °¡Áö°í ¼¹ö³»ÀÇ ÀÓÀÇÀÇ ¸í·ÉÀ» ¼öÇàÇÒ ¼ö ÀÖ´Â Ãë¾àÁ¡À» °¡Áö°í ÀÖ´Ù. ÀÌ ¹®Á¦´Â BUGTRAQ ¸ÞÀϸµ ¸®½ºÆ®, ±×¸®°í º¸¾È ±Ç°í¾ÈÀÎ CERT CA-97.12°ú AUSCERT AA-97.14 µîÀ» Æ÷ÇÔÇÑ ¸î°³ÀÇ °ø°³Æ÷·³¿¡ ±¤¹üÀ§ÇÏ°Ô ´Ù·ç¾îÁ® ¿Ô´Ù.
Outbox ¼ÒÇÁÆ®¿þ¾î°¡ ½Ã½ºÅÛ¿¡ ¼³Ä¡µÇ¾î ÀÖ´ÂÁö¸¦ È®ÀÎÇϱâ À§Çؼ´Â ´ÙÀ½°ú °°Àº ¸í·ÉÀ» »ç¿ëÇÏ¸é µÈ´Ù.
% /usr/sbin/versions outbox.sw
* Âü°í »çÀÌÆ®: http://www.securityfocus.com/bid/374 http://www.iss.net/security_center/static/333.php
* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû: Web Server |
| ÇØ°áÃ¥ |
Solution A - ÇÁ·Î±×·¥ ÆÛ¹Ì¼ÇÀ» ¹Ù²ã Disable½ÃŲ´Ù. (root·Î ·Î±×ÀÎ)
# /bin/chmod 400 /var/www/cgi-bin/webdist.cgi # /bin/chmod 400 /var/www/cgi-bin/handler # /bin/chmod 400 /var/www/cgi-bin/wrap
Solution B - Ãë¾àÇÑ outbox subsystemÀ» Á¦°ÅÇÑ´Ù. (root·Î ·Î±×ÀÎ ÈÄ, outbox subsystemÀ» Á¦°Å)
# /usr/sbin/versions -v remove outbox
Solution C - ÇÁ·Î±×·¥À» PatchÇÑ´Ù.
Patches: ftp://ftp.sgi.com/patches¿¡¼ ´ÙÀ½°ú °°Àº Patch ¹öÀüÀ» ±¸ÇÒ ¼ö ÀÖ´Ù. IRIX 5.3: #2315 (ftp://ftp.sgi.com/patches/5.3/patch2315.tar) IRIX 6.0.x: ½Ã½ºÅÛÀ» ¾÷±×·¹À̵åÇϰųª Àӽ÷ΠfixÇÏ¿© »ç¿ë IRIX 6.1: ½Ã½ºÅÛÀ» ¾÷±×·¹À̵åÇϰųª Àӽ÷ΠfixÇÏ¿© »ç¿ë IRIX 6.2: #2314 (ftp://ftp.sgi.com/patches/6.2/patch2314.tar) IRIX 6.3: #2338 (ftp://ftp.sgi.com/patches/6.3/patch2338.tar) IRIX 6.4: #2338 (ftp://ftp.sgi.com/patches/6.4/patch2338.tar) |
| °ü·Ã URL |
CVE-1999-0039 (CVE) |
| °ü·Ã URL |
(SecurityFocus) |
| °ü·Ã URL |
(ISS) |
|