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»ó¼¼¼³¸í ÇØ´ç ½Ã½ºÅÛ¿¡´Â 2021³â 3¿ù Microsoft º¸¾È ¾÷µ¥ÀÌÆ®°¡ ¼³Ä¡µÇ¾î ÀÖÁö ¾Ê½À´Ï´Ù.

-±ÇÇÑ »ó½Â Ãë¾àÁ¡ÀÌ Á¸ÀçÇÕ´Ï´Ù. °ø°ÝÀÚ´Â À̸¦ ¾Ç¿ëÇÏ¿© »ó½Â µÈ ±ÇÇÑÀ» ¾òÀ» ¼ö ÀÖ½À´Ï´Ù.
(CVE-2021-1640, CVE-2021-26862, CVE-2021-26866, CVE-2021-26868, CVE-2021-26871, CVE-2021-26872, CVE-2021-26873, CVE-2021-26875, CVE -2021-26878, CVE-2021-26882, CVE-2021-26885, CVE-2021-26898, CVE-2021-26899, CVE-2021-26901, CVE-2021-27077)

-Á¤º¸ À¯Ãâ Ãë¾àÁ¡ÀÌ Á¸ÀçÇÕ´Ï´Ù. °ø°ÝÀÚ´Â À̸¦ ¾Ç¿ëÇÏ¿© ÀáÀçÀûÀ¸·Î ¹Î°¨ÇÑ Á¤º¸¸¦ °ø°³ ÇÒ ¼ö ÀÖ½À´Ï´Ù. (CVE-2021-24107, CVE-2021-26869, CVE-2021-26884)

-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-2021-26879, CVE-2021-26886)

-¸Þ¸ð¸® ¼Õ»ó Ãë¾àÁ¡ÀÌ Á¸ÀçÇÕ´Ï´Ù. °ø°ÝÀÚ´Â À̸¦ ¾Ç¿ëÇÏ¿© ¸Þ¸ð¸®¸¦ ¼Õ»ó½ÃÅ°°í ½Ã½ºÅÛ / ÀÀ¿ë ÇÁ·Î±×·¥ ³»¿¡¼­ ¿¹±âÄ¡ ¾ÊÀº µ¿ÀÛÀ» ÀÏÀ¸Å³ ¼ö ÀÖ½À´Ï´Ù. (CVE-2021-26411)

-¿ø°Ý ÄÚµå ½ÇÇà Ãë¾àÁ¡. °ø°ÝÀÚ´Â À̸¦ ¾Ç¿ëÇÏ¿© ÀÎÁõÀ» ¿ìȸÇÏ°í ±ÇÇÑÀÌ ¾ø´Â ÀÓÀÇÀÇ ¸í·ÉÀ» ½ÇÇàÇÒ ¼ö ÀÖ½À´Ï´Ù. (CVE-2021-26861, CVE-2021-26881)

* 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 3¿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-2021-1640,CVE-2021-24107,CVE-2021-26411,CVE-2021-26861,CVE-2021-26862,CVE-2021-26866,CVE-2021-26868,CVE-2021-26869,CVE-2021-26871 (CVE)
°ü·Ã URL (SecurityFocus)
°ü·Ã URL (ISS)