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¡¾Îó²îͨ¸æ¡¿Netlogon?ÌØÈ¨ÌáÉýÎó²î£¨CVE-2020-1472£©´¦Öóͷ£ÊÖ²á

2020-09-17

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¿ËÈÕ£¬AG¹«Ë¾¿Æ¼¼¼à²âµ½ÍâÑóÇå¾²¹«Ë¾Secura¹ûÕæÁËNetLogonÌØÈ¨ÌáÉýÎó²î£¨CVE-2020-1472£©µÄÏêϸÐÅÏ¢ÓëÑéÖ¤¾ç±¾£¬µ¼ÖÂÎó²îΣº¦ÝëµØÌáÉý ¡£¹¥»÷ÕßÐèÔÚÓëÄ¿µÄÏàͬµÄ¾ÖÓòÍø£¨LAN£©ÉϵÄÅÌËã»ú¾ÙÐÐʹÓã¬Î´¾­Éí·ÝÑéÖ¤µÄ¹¥»÷Õßͨ¹ýNetLogonÔ¶³ÌЭÒ飨MS-NRPC£©½¨ÉèÓëÓò¿ØÖÆÆ÷ÅþÁ¬µÄ Ç徲ͨµÀʱ£¬¿ÉʹÓôËÎó²î»ñÈ¡ÓòÖÎÀíÔ±»á¼ûȨÏÞ ¡£´ËÎó²îΪ΢ÈíÔÚ8Ô²¹¶¡¸üÐÂʱÅû¶£¬CVSSÆÀ·ÖΪ10£¬Ó°ÏìÆÕ±é£¬ÏÖÔÚÍøÉÏÒÑÓÐEXPÐû²¼£¬ÇëÏà¹ØÓû§¾¡¿ì½ÓÄɲ½·¥¾ÙÐзÀ»¤ ¡£

NetlogonÊÇWindowsÖÐÓÃÓÚΪÓò¿ØÖÆÆ÷×¢²áËùÓÐSRV×ÊÔ´¼Í¼µÄ·þÎñ ¡£ÌṩÓû§ºÍ»úеÔÚÓòÄÚÍøÂçÉϵÄÈÏÖ¤Óë¸´ÖÆÊý¾Ý¿â¾ÙÐÐÓò¿Ø±¸·Ý£¬»¹ÓÃÓÚά»¤Óò³ÉÔ±ÓëÓòÖ®¼ä¡¢ÓòÓëÓò¿ØÖ®¼ä¡¢ÓòDCÓë¿çÓòDCÖ®¼äµÄ¹ØÏµ ¡£

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Windows Server 2008 R2 for x64-based Systems Service Pack 1

Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

Windows Server 2012

Windows Server 2012 (Server Core installation)

Windows Server 2012 R2

Windows Server 2012 R2 (Server Core installation)

Windows Server 2016

Windows Server 2016  (Server Core installation)

Windows Server 2019

Windows Server 2019  (Server Core installation)

Windows Server, version 1903 (Server Core installation)

Windows Server, version 1909 (Server Core installation)

Windows Server, version 2004 (Server Core installation)

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3.1  ¹¤¾ßÑéÖ¤

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https://github.com/SecuraBV/CVE-2020-1472

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http://update.nsfocus.com/update/downloads/id/108456

IDS

5.6.9.23542

http://update.nsfocus.com/update/downloads/id/108464

5.6.10.23542

http://update.nsfocus.com/update/downloads/id/108465

UTS

5.6.10.23542

http://update.nsfocus.com/update/downloads/id/108469

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https://mp.weixin.qq.com/s/aLAWXs5DgRhNHf4WHHhQyg

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4.1  ¹Ù·½Éý¼¶

ÏÖÔÚ΢Èí¹Ù·½ÒÑÕë¶ÔÊÜÖ§³ÖµÄϵͳ°æ±¾Ðû²¼ÁËÐÞ¸´´ËÎó²îµÄÇå¾²²¹¶¡£¬Ç¿ÁÒ½¨ÒéÊÜÓ°ÏìÓû§¾¡¿ì×°Öò¹¶¡¾ÙÐзÀ»¤£¬¹Ù·½ÏÂÔØÁ´½Ó£º

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1472

×¢£ºÓÉÓÚÍøÂçÎÊÌâ¡¢ÅÌËã»úÇéÐÎÎÊÌâµÈÔµ¹ÊÔ­ÓÉ£¬Windows UpdateµÄ²¹¶¡¸üпÉÄÜ·ºÆðʧ°Ü ¡£Óû§ÔÚ×°Öò¹¶¡ºó£¬Ó¦ÊµÊ±¼ì²é²¹¶¡ÊÇ·ñÀֳɸüР¡£

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4.2  ÆäËû·À»¤²½·¥

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https://support.microsoft.com/zh-cn/help/4557222/how-to-manage-the-changes-in-netlogon-secure-channel-connections-assoc

4.3  ²úÆ··À»¤

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4.4  Æ½Ì¨¼à²â

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