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Ãë¾àÁ¡ID 26862
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»ó¼¼¼³¸í ÇØ´ç ½Ã½ºÅÛ¿¡´Â 2021³â 12¿ù Microsoft º¸¾È ¾÷µ¥ÀÌÆ®°¡ ¼³Ä¡µÇ¾î ÀÖÁö ¾Ê½À´Ï´Ù. µû¶ó¼­ ´ÙÁß Ãë¾àÁ¡ÀÇ ¿µÇâÀ» ¹Þ½À´Ï´Ù.

- ±ÇÇÑ ½Â°Ý Ãë¾àÁ¡ÀÌ Á¸ÀçÇÕ´Ï´Ù. °ø°ÝÀÚ´Â À̸¦ ¾Ç¿ëÇÏ¿© »ó½ÂµÈ ±ÇÇÑÀ» ¾òÀ» ¼ö ÀÖ½À´Ï´Ù.
(CVE-2021-41333, CVE-2021-43207, CVE-2021-43223, CVE-2021-43226, CVE-2021-43229, CVE-2021-43230, CVE-2021-43230, CVE-2021-4323 -2021-43238, CVE-2021-43239, CVE-2021-43240, CVE-2021-43247, CVE-2021-43248, CVE-2021-43883, CVE-2021-43893)

- ¿ø°Ý ÄÚµå ½ÇÇà Ãë¾àÁ¡ÀÌ Á¸ÀçÇÕ´Ï´Ù. °ø°ÝÀÚ´Â À̸¦ ¾Ç¿ëÇÏ¿© ÀÎÁõÀ» ¿ìȸÇÏ°í ½ÂÀεÇÁö ¾ÊÀº ÀÓÀÇÀÇ ¸í·ÉÀ» ½ÇÇàÇÒ ¼ö ÀÖ½À´Ï´Ù. (CVE-2021-43215, CVE-2021-43217, CVE-2021-43232, CVE-2021-43233, CVE-2021-43234)

- 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-2021-43216, CVE-2021-43222, CVE-2021-43224, CVE-2021-43227, CVE-2021-43235, CVE-2021-43236, CVE-2021-4324)

- 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-2021-43219, CVE-2021-43228, CVE-2021-43246)

* 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 12¿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-2021-41333,CVE-2021-43207,CVE-2021-43215,CVE-2021-43216,CVE-2021-43217,CVE-2021-43219,CVE-2021-43222,CVE-2021-43223,CVE-2021-43224 (CVE)
°ü·Ã URL (SecurityFocus)
°ü·Ã URL (ISS)