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»ó¼¼¼³¸í ¿ø°Ý È£½ºÆ®¿¡´Â 4.2.7 ÀÌÀüÀÇ 4.2.x ¶Ç´Â 4.3.3 ÀÌÀüÀÇ 4.3.x Samba ¹öÀüÀÌ °¡µ¿ ÁßÀ̸ç, ´ÙÀ½ÀÇ Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù.

- ldb_match.c ÆÄÀÏÀÇ ldb_wildcard_compare() ÇÔ¼ö¿¡¼­ ƯÁ¤ 0 °ªµéÀ» ó¸®ÇÒ ¶§ ¼­ºñ½º °ÅºÎ°¡ ¹ß»ýÇÑ´Ù. ÀÌ·Î ÀÎÇØ °ø°ÝÀÚ´Â Á¶ÀÛµÈ LDAP ¿äûÀ» ÅëÇØ CPU ÀÚ¿øÀ» ¼ÒÁø½ÃÄÑ ¼­ºñ½º °ÅºÎ¸¦ ÀÏÀ¸Å³ ¼ö ÀÖ´Ù. (CVE-2015-3223)

- smbd/vfs.c ÆÄÀÏ¿¡ ½Éº¼¸¯ ¸µÅ©¸¦ ¿Ã¹Ù¸£°Ô °ËÁõÇÏÁö ¸øÇÏ´Â ¿À·ù°¡ Á¸ÀçÇÑ´Ù. ÀÌ·Î ÀÎÇØ °ø°ÝÀÚ´Â ÆÄÀÏ Á¢±Ù Á¦ÇÑÀ» ¿ìȸÇÒ ¼ö ÀÖ´Ù. (CVE-2015-5252)

- Ŭ¶óÀ̾ðÆ®¿Í ¼­¹ö°£ÀÇ ¾ÏȣȭµÈ ¿¬°áÀ» »ý¼ºÇÒ ¶§ ¼­¸íÀÌ ¿Ã¹Ù¸£°Ô ÇùÁ¤µÇ¾ú´ÂÁö º¸ÁõÇÏÁö ¸øÇÑ´Ù. ÀÌ·Î ÀÎÇØ °ø°ÝÀÚ´Â man-in-the-middle °ø°ÝÀÌ °¡´ÉÇØÁö°í, µ¥ÀÌÅÍ ½ºÆ®¸²À» Á¶ÀÛÇÏ¿© ¿¬°á º¸¾È ¼³Á¤À» ¾àÇÏ°Ô ÇÏ°í Åë½Å ³»¿ëÀ» Àаųª Á¶ÀÛÇÒ ¼ö ÀÖ´Ù. (CVE-2015-5296)

- modules/vfs_shadow_copy2.c ÆÄÀÏ¿¡ ½º³À¼¦ Á¢±Ù ½Ã DIRECTORY_LIST Á¢±Ù ±ÇÇÑÀÌ Çã¿ëµÇ¾ú´ÂÁö ¿Ã¹Ù¸£°Ô °ËÁõÇÏÁö ¸øÇÏ´Â ¿À·ù°¡ Á¸ÀçÇÑ´Ù. ÀÌ·Î ÀÎÇØ °ø°ÝÀÚ´Â ¼¨µµ º¹»çº»(Shadow copy) µð·ºÅ͸®¸¦ ¹æ¹®ÇÏ¿© ½º³À¼¦¿¡ Á¢±ÙÇÒ ¼ö ÀÖ´Ù. (CVE-2015-5299)

- LDAP ¼­¹ö¿¡ LDAP ¿äûÀÇ ¹®ÀÚ¿­ ±æÀ̸¦ ¿Ã¹Ù¸£°Ô ó¸®ÇÏÁö ¸øÇÏ´Â ¿À·ù°¡ Á¸ÀçÇÑ´Ù. ÀÌ·Î ÀÎÇØ °ø°ÝÀÚ´Â Á¶ÀÛµÈ ÆÐŶÀ» º¸³»°í ¿¡·¯ ¸Þ½ÃÁö ¶Ç´Â µ¥ÀÌÅͺ£À̽º °ªÀ» Àд °ÍÀ» ÅëÇØ Èü ¸Þ¸ð¸® »óÀÇ Áß¿äÇÑ Á¤º¸¸¦ ȹµæÇÒ ¼ö ÀÖ´Ù. (CVE-2015-5330)

- dsdb/samdb/ldb_modules/samldb.c ÆÄÀÏ¿¡ ÇÊ¿äÇÑ °èÁ¤ »ý¼º ½Ã °ü¸®ÀÚ ±ÇÇÑÀ» ¿Ã¹Ù¸£°Ô üũÇÏÁö ¸øÇÏ´Â ¿À·ù°¡ Á¸ÀçÇÑ´Ù. ÀÌ·Î ÀÎÇØ °ø°ÝÀÚ´Â Samba DC¿Í Windows DC µÑ ´Ù °¡Áö°í ÀÖ´Â µµ¸ÞÀÎÀ» ¸¸µé¾î Á¢±Ù Á¦ÇÑÀ» ¿ìȸÇÒ ¼ö ÀÖ´Ù. (CVE-2015-8467)

* ¾Ë¸²: ¸¸¾à ÀÌ Á¡°ËÇ׸ñÀÌ ÀÌ Ãë¾àÁ¡À» Á¡°ËÇϱâ À§ÇØ ÇØ´ç Samba ¼­¹öÀÇ ¹öÀü Á¤º¸¸¸À» È®ÀÎÇÑ´Ù. µû¶ó¼­ °ÅÁþ ¾ç¼º¹ÝÀÀ(False Positive)À» º¸ÀÏ ¼ö ÀÖ´Ù.

* Âü°í »çÀÌÆ®:
https://www.samba.org/samba/security/CVE-2015-3223.html
https://www.samba.org/samba/security/CVE-2015-5252.html
https://www.samba.org/samba/security/CVE-2015-5296.html
https://www.samba.org/samba/security/CVE-2015-5299.html
https://www.samba.org/samba/security/CVE-2015-5330.html
https://www.samba.org/samba/security/CVE-2015-8467.html
http://www.samba.org/samba/history/samba-4.2.7.html
http://www.samba.org/samba/history/samba-4.3.3.html


* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû:
Samba Project, Samba versions 4.2.7 ÀÌÀüÀÇ 4.2.x ¶Ç´Â 4.3.3 ÀÌÀüÀÇ 4.3.x ¹öÀüµé
Linux Any version
Unix Any version
ÇØ°áÃ¥ Samba À¥ »çÀÌÆ®ÀÎ https://www.samba.org/samba/download/¿¡¼­ ±¸ÇÒ ¼ö ÀÖ´Â SambaÀÇ °¡Àå ÃֽŠ¹öÀü (4.2.7 ¶Ç´Â 4.3.3 ȤÀº ÀÌÈÄ ¹öÀü)À¸·Î ¾÷±×·¹À̵å ÇÏ¿©¾ß ÇÑ´Ù.
°ü·Ã URL CVE-2015-3223,CVE-2015-5252,CVE-2015-5296,CVE-2015-5299,CVE-2015-5330,CVE-2015-8467 (CVE)
°ü·Ã URL 79729,79731,79732,79733,79734,79735 (SecurityFocus)
°ü·Ã URL (ISS)