English
¢¸¢· µÚ·Î
Ãë¾àÁ¡ID 26860
À§Çèµµ 40
Æ÷Æ® 139.445
ÇÁ·ÎÅäÄÝ TCP
ºÐ·ù SMB
»ó¼¼¼³¸í ÇØ´ç ½Ã½ºÅÛ¿¡´Â 2021³â 10¿ù Microsoft º¸¾È ¾÷µ¥ÀÌÆ®°¡ ¼³Ä¡µÇ¾î ÀÖÁö ¾Ê½À´Ï´Ù. µû¶ó¼­ ´ÙÁß Ãë¾àÁ¡ÀÇ ¿µÇâÀ» ¹Þ½À´Ï´Ù.

- ¼¼¼Ç ½ºÇªÇÎ Ãë¾àÁ¡ÀÌ Á¸ÀçÇÕ´Ï´Ù. °ø°ÝÀÚ´Â À̸¦ ¾Ç¿ëÇÏ¿© ´Ù¸¥ »ç¿ëÀÚÀÇ ±ÇÇÑÀ¸·Î ÀÛ¾÷À» ¼öÇàÇÒ ¼ö ÀÖ½À´Ï´Ù. (CVE-2021-36970, CVE-2021-40455)

- ¼­ºñ½º °ÅºÎ(DoS) Ãë¾àÁ¡ÀÌ Á¸ÀçÇÕ´Ï´Ù. °ø°ÝÀÚ´Â ÀÌ ¹®Á¦¸¦ ¾Ç¿ëÇÏ¿© ¿µÇâÀ» ¹Þ´Â ±¸¼º ¿ä¼Ò°¡ ½Ã½ºÅÛ ¶Ç´Â ÀÀ¿ë ÇÁ·Î±×·¥ ¼­ºñ½º¸¦ °ÅºÎÇϵµ·Ï ÇÒ ¼ö ÀÖ½À´Ï´Ù. (CVE-2021-36953, CVE-2021-40463)

- º¸¾È ±â´É ¿ìȸ Ãë¾àÁ¡ÀÌ Á¸ÀçÇÕ´Ï´Ù. °ø°ÝÀÚ´Â À̸¦ ¾Ç¿ëÇÏ¿© º¸¾È ±â´ÉÀ» ¿ìȸÇÏ°í ½Ã½ºÅÛ/ÀÀ¿ë ÇÁ·Î±×·¥ÀÇ ¹«°á¼ºÀ» ¼Õ»ó½ÃÅ°´Â ¹«´Ü ÀÛ¾÷À» ¼öÇàÇÒ ¼ö ÀÖ½À´Ï´Ù. (CVE-2021-40460, CVE-2021-41338)

- ±ÇÇÑ »ó½Â Ãë¾àÁ¡ÀÌ Á¸ÀçÇÕ´Ï´Ù. °ø°ÝÀÚ´Â À̸¦ ¾Ç¿ëÇÏ¿© »ó½ÂµÈ ±ÇÇÑÀ» ¾òÀ» ¼ö ÀÖ½À´Ï´Ù. (CVE-2021-26441, CVE-2021-26442, CVE-2021-40443, CVE-2021-40449, CVE-2021-40450, CVE-2021-40464, CVE-2021-4046, CVE-2061-4046 -C2021-40470, CVE-2021-40476, CVE-2021-40477, CVE-2021-40478, CVE-2021-40488, CVE-2021-40489, CVE-2021-41335, CVE-2021-41335, -41345, CVE-2021-41347)

- Á¤º¸ °ø°³ Ãë¾àÁ¡ÀÌ Á¸ÀçÇÕ´Ï´Ù. °ø°ÝÀÚ´Â À̸¦ ¾Ç¿ëÇÏ¿© ÀáÀçÀûÀ¸·Î ¹Î°¨ÇÑ Á¤º¸¸¦ °ø°³ÇÒ ¼ö ÀÖ½À´Ï´Ù. (CVE-2021-38662, CVE-2021-38663, CVE-2021-40454, CVE-2021-40475, CVE-2021-41332, CVE-2021-41343)

- ¿ø°Ý ÄÚµå ½ÇÇà Ãë¾àÁ¡ÀÌ Á¸ÀçÇÕ´Ï´Ù. °ø°ÝÀÚ´Â À̸¦ ¾Ç¿ëÇÏ¿© ÀÎÁõÀ» ¿ìȸÇÏ°í ½ÂÀεÇÁö ¾ÊÀº ÀÓÀÇ ¸í·ÉÀ» ½ÇÇàÇÒ ¼ö ÀÖ½À´Ï´Ù. (CVE-2021-40461, CVE-2021-40462, CVE-2021-40465, CVE-2021-41330, CVE-2021-41331, CVE-2021-41340, CVE-2021-4134)

* ¾Ë¸²: ÀÌ Á¡°ËÇ׸ñÀº Á¡°ËÇϱâ À§ÇÑ ¿ø°ÝÁö È£½ºÆ®¿¡ ·Î±×ÀÎÇÒ ¼ö ÀÖ´Â Guest ȤÀº ±× ÀÌ»óÀÇ ±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®:
https://support.microsoft.com/en-us/help/4009469
https://support.microsoft.com/en-us/help/4009470
https://support.microsoft.com/en-us/help/4009471
https://support.microsoft.com/en-us/help/4000825

* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû:
Windows Server 2008 R2 SP1
Windows Server 2008 R2 x64 SP1
Windows 8.1
Windows Server 2012
Windows Server 2012 R2
Windows 10
Windows Server 2016
ÇØ°áÃ¥ ´ÙÀ½ ¸¶ÀÌÅ©·Î¼ÒÇÁÆ® º¸¾È °Ô½Ã¹° 2021³â 10¿ù Microsoft º¸¾È ¾÷µ¥ÀÌÆ®¸¦ ÂüÁ¶ÇÏ¿© ½Ã½ºÅÛ¿¡ ´ëÇÑ ÀûÀýÇÑ ÆÐÄ¡¸¦ Àû¿ëÇÑ´Ù.

https://support.microsoft.com/en-us/help/4009469
https://support.microsoft.com/en-us/help/4009470
https://support.microsoft.com/en-us/help/4009471
https://support.microsoft.com/en-us/help/4000825
-- ¶Ç´Â --
Windows Ç÷§ÆûµéÀ» À§ÇÑ ÆÐÄ¡µéÀº ¶ÇÇÑ Microsoft Windows Update À¥ »çÀÌÆ®ÀÎ http://windowsupdate.microsoft.com ¿¡¼­µµ ±¸ÇÒ ¼ö ÀÖ´Ù. Windows Update´Â »ç¿ë ÁßÀÎ WindowsÀÇ ¹öÀüÀ» ÀÚµ¿À¸·Î ã¾Æ³»°í ÀûÀýÇÑ ÆÐÄ¡¸¦ Á¦°øÇØ ÁØ´Ù.
°ü·Ã URL CVE-2021-26441,CVE-2021-26442,CVE-2021-36953,CVE-2021-36970,CVE-2021-38662,CVE-2021-38663,CVE-2021-40443,CVE-2021-40449,CVE-2021-40450 (CVE)
°ü·Ã URL (SecurityFocus)
°ü·Ã URL (ISS)