Ãë¾àÁ¡ID |
14097 |
À§Çèµµ |
40 |
Æ÷Æ® |
22 |
ÇÁ·ÎÅäÄÝ |
TCP |
ºÐ·ù |
LSC |
»ó¼¼¼³¸í |
ÇØ´ç È£½ºÆ®´Â GNU Bash 4.3 bash43-025 ÀÌÀü ¹öÀüÀÌ ¼³Ä¡µÇ¾î ÀÖÀ¸¸ç, ¸í·É ½ÇÇà Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù. GNU Bash(Bourne-again shell)´Â º» ¼Ð(Bounme shell/sh)À» ´ëüÇÏ´Â À¯´Ð½º ¼ÐÀÌ´Ù. ÀÌ ¼ÐÀº GNU ¿î¿µÃ¼Á¦ ½Ã½ºÅÛÀ» À§ÇÑ ¼Ð·Î ³Î¸® ¹èÆ÷µÇ¾ú°í, ¸®´ª½º¿Í Mac OS XÀÇ ±âº» ¼ÐÀÌ´Ù. Bash ¼ÐÀº º¯¼ö¿Í ÇÔ¼ö¸¦ ´Ù¸¥ Bash ÀνºÅϽº¿¡ ÀͽºÆ÷Æà ÇÒ ¼ö ÀÖ°í, ÇöÀç ¹öÀüÀÇ Bash´Â ȯ°æ º¯¼ö¿¡ ÇÔ¼ö¸¦ Á¤ÀÇÇÒ ¼ö ÀÖ´Ù. ÀÌ Ãë¾àÁ¡Àº Bash¿¡¼ ȯ°æ º¯¼ö¸¦ ÀûÀýÈ÷ ó¸®ÇÏÁö ¸øÇϱ⠶§¹®¿¡ ¹ß»ýÇÑ´Ù. °ø°ÝÀÚ´Â DHCP Ŭ¶óÀ̾ðÆ®, Apache HTTP ¼¹öÀÇ mod_cgi, mod_cgid ¸ðµâ, OpenSSH sshd¸¦ ÅëÇÏ¿© ÆÄÀÏÀ» ¾²°Å³ª ¸í·ÉÀ» ½ÇÇàÇÒ ¼ö ÀÖ´Ù.
* ¾Ë¸²: ÀÌ Á¡°ËÇ׸ñÀº Á¡°ËÇϱâ À§ÇÑ È£½ºÆ®·Î ·Î±×ÀÎ ÇÒ ¼ö ÀÖ´Â °ü¸®ÀÚ ±ÇÇÑÀ» °¡Áø °èÁ¤À» ÇÊ¿ä·Î ÇÑ´Ù. ÀÌ·¯ÇÑ Á¶°ÇÀÌ ¾ÈµÇ¸é Á¡°ËÀ» ¼öÇàÇÒ ¼ö ¾øÀ¸¸ç ¸ðµç Ãë¾àÇÑ È£½ºÆ®µé¿¡ ´ëÇؼ °ÅÁþ À½¼º¹ÝÀÀ(False Negative)À» º¸ÀÏ ¼ö ÀÖ´Ù.
* Âü°í »çÀÌÆ®: http://www.oracle.com/technetwork/topics/security/alert-cve-2014-7169-2303276.html https://www.digitalocean.com/community/tutorials/how-to-protect-your-server-against-the-shellshock-bash-vulnerability
* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû: GNU Bash 3.0 GNU Bash 3.1 GNU Bash 3.2 GNU Bash 4.0 GNU Bash 4.1 GNU Bash 4.2 GNU Bash 4.3 |
ÇØ°áÃ¥ |
<CentOS, RedHat, Fedora> ´ÙÀ½ ¸í·ÉÀ» ÅëÇØ bash¸¦ ¾÷µ¥ÀÌÆ® ÇÑ´Ù. sudo yum update bash
<Ubuntu, Debian> ´ÙÀ½ ¸í·ÉÀ» ÅëÇØ bash¸¦ ¾÷µ¥ÀÌÆ® ÇÑ´Ù. sudo apt-get install bash
<Solaris> º¥´õ»ç¿¡ ¹®ÀÇÇÏ¿© ÀûÀýÇÑ ¾÷µ¥ÀÌÆ®¸¦ ¼³Ä¡ÇÑ´Ù. http://www.oracle.com/technetwork/topics/security/alert-cve-2014-7169-2303276.html |
°ü·Ã URL |
CVE-2014-6271,CVE-2014-7169 (CVE) |
°ü·Ã URL |
70137 (SecurityFocus) |
°ü·Ã URL |
(ISS) |
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