English
¢¸¢· µÚ·Î
Ãë¾àÁ¡ID 18116
À§Çèµµ 20
Æ÷Æ® 25
ÇÁ·ÎÅäÄÝ TCP
ºÐ·ù SMTP
»ó¼¼¼³¸í ¿ø°Ý È£½ºÆ®¿¡ Sendmail 8.14.9 ÀÌÀü ¹öÀüÀÌ °¡µ¿ ÁßÀÌ´Ù. ÇØ´ç ¹öÀüÀº ÆÄÀÏ µð½ºÅ©¸³ÅÍ¿Í 'close-on-exec' Ç÷¡±×¿¡ °áÇÔÀÌ Á¸ÀçÇØ, ·ÎÄà °ø°ÝÀÚ°¡ ÇöÀç ¿¬°á ÁßÀÎ SMTP¿¡ ¿µÇâÀ» ÁÙ ¼ö ÀÖ´Ù.

- CVE-2014-3956
'conf.c' ÆÄÀÏÀÇ 'sm_close_on_exec' ÇÔ¼öÀÇ Àμö ¼ø¼­°¡ À߸øµÇ¾î, 󸮵Ǿî¾ß ÇÏ´Â FD_CLOEXEC Ç÷¡±×¸¦ °Ç³Ê¶Ù¾î, ·ÎÄà »ç¿ëÀÚ°¡ ÀǵµÇÏÁö ¾Ê°Ô ¸ÞÀÏ Àü¼Û ÇÁ·Î±×·¥À» ÅëÇÏ¿© ´Ù¼öÀÇ file descriptor¿¡ Á¢±ÙÇÒ ¼ö ÀÖ´Ù.

* ¾Ë¸²: ´ÙÀ½°ú °°Àº ÀÌÀ¯·Î ÀÎÇÏ¿©, ÀÌ Ãë¾àÁ¡Àº »ç¿ëÀÚÀÇ È¯°æ¿¡¼­ º¸¾È À§Çù¿ä¼Ò°¡ µÉ ¼öµµ ÀÖ°í ±×·¸Áö ¾ÊÀ» ¼öµµ ÀÖ´Ù. (Áï, °ÅÁþ ¾ç¼º¹ÝÀÀ(False Positive)À» º¸ÀÏ ¼öµµ ÀÖ´Ù)
1. ÀÌ Á¡°ËÇ׸ñÀº Ãë¾àÁ¡ Á¡°ËÀ» À§ÇØ Sendmail ¼­¹öÀÇ ¹öÀü Á¤º¸¿¡ ÀÇÁ¸ÇÑ´Ù.
2. Á¡°Ë¿¡ ÀÌ¿ëµÇ´Â Sendmail ¼­¹öÀÇ ¹öÀü Á¤º¸´Â Sendmail ÄÁ¼Ò½Ã¾ö¿¡¼­ ¸±¸®ÁîÇÑ Ç¥ÁØ Sendmail ¹èÆ÷ÆÇ¿¡ ±Ù°ÅÇÑ´Ù.

* Âü°í »çÀÌÆ®:
http://www.sendmail.org/releases/8.14.9
http://freecode.com/projects/sendmail/releases/363923

* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû:
Sendmail 8.14.9 ÀÌÀü ¹öÀüµé
ÇØ°áÃ¥ Sendmail À¥ »çÀÌÆ® http://www.sendmail.org/releases/8.14.9¸¦ Âü°íÇÏ¿© Sendmail ¹öÀü 8.14.9³ª °¡Àå ÃֽŠ¹öÀüÀ¸·Î ¾÷±×·¹À̵åÇØ¾ß ÇÑ´Ù.
°ü·Ã URL CVE-2014-3956 (CVE)
°ü·Ã URL 67791 (SecurityFocus)
°ü·Ã URL (ISS)