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0x00 ·ì϶¸ÅÊö

CVE   ID

CVE-2022-30190

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2022-05-30

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0x01 ·ì϶ÏêÇé

5ÔÂ30ÈÕ £¬Î¢Èí°ä²¼°²È«²¼¸æ £¬Åû¶ÁË Microsoft MSDTÖеÄËÁÒâ´úÂëÖ´Ðзì϶£¨CVE-2022-30190£© £¬¸Ã·ì϶µÄCVSSÆÀ·ÖΪ7.8¡£Ä¿Ç°¸Ã·ì϶ÒѾ­¹«¿ªÅû¶ £¬ÇÒÒѼì²âµ½ÔÚÒ°ÀûÓá£

MSDT£¨Microsoft Support Diagnostics Tool £¬Î¢ÈíÖ§³ÖÕï¶Ï¹¤¾ß£©ÊÇÒ»ÖÖʵÓ÷¨Ê½ £¬ÓÃÓÚÅųý¹ÊÕϲ¢ÍøÂçÕï¶ÏÊý¾ÝÒÔ¹©×¨ÒµÈËÔ±·ÖÎöºÍ½â¾öÎÊÌâ¡£

´Ó Word µÈŲÓÃÀûÓ÷¨Ê½Ê¹Óà URL ºÍ̸ŲÓà MSDT ʱ´æÔÚ´úÂëÖ´Ðзì϶ £¬³É¹¦ÀûÓø÷ì϶Äܹ»Ê¹ÓÃŲÓÃÀûÓ÷¨Ê½µÄȨÏÞÔËÐÐËÁÒâ´úÂë £¬²¢ÔÚÓû§È¨ÏÞÔÊÐíµÄÁìÓòÄÚ×°Ö÷¨Ê½ £¬²é¿´¡¢¸ü¸Ä»òɾ³ýÊý¾Ý £¬»ò´´½¨ÐÂÕË»§¡£·ì϶¸´ÏÖÈçÏ£º

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¸Ã·ì϶ÊÇÁ¥ÊôÓÚ°×¶íÂÞ˹µÄIPµØÖ·ÉÏ´«µ½ VirusTotalµÄ¶ñÒâWord ÎĵµÖмì²âµ½µÄ¡£¶ñÒâÎļþͨ¹ýÀûÓà Word µÄÔ¶³ÌÄ£°åÖ°ÄÜ´Ó·þÎñÆ÷»ñÈ¡ HTML Îļþ £¬¶øºóʹÓá°ms-msdt://¡±URI Ö´ÐÐ PowerShell ´úÂë¡£¼´±ã½ûÓÃÁ˺ê £¬Microsoft Word Ò²»áͨ¹ý msdtÖ´ÐдúÂë¡£´Ë±í £¬µ±¶ñÒâÎļþ±£ÁôΪRTFÌåʽʱ £¬ÉõÖÁÎÞÐè´ò¿ªÎļþ £¬Í¨¹ý×ÊÔ´ÖÎÀíÆ÷ÖеÄÔ¤ÀÀÑ¡Ï¼´¿ÉÔÚÖ¸±êϵͳÉÏÖ´ÐÐËÁÒâ´úÂë¡£

 

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 Windows Server 2012 R2 (Server Core installation)

Windows Server 2012 R2

Windows Server 2012 (Server Core installation)

Windows Server 2012

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

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

Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)

Windows Server 2008 for x64-based Systems Service Pack 2

Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)

Windows Server 2008 for 32-bit Systems Service Pack 2

Windows RT 8.1

Windows 8.1 for x64-based systems

Windows 8.1 for 32-bit systems

Windows 7 for x64-based Systems Service Pack 1

Windows 7 for 32-bit Systems Service Pack 1

Windows Server 2016 (Server Core installation)

Windows Server 2016

Windows 10 Version 1607 for x64-based Systems

Windows 10 Version 1607 for 32-bit Systems

Windows 10 for x64-based Systems

Windows 10 for 32-bit Systems

Windows 10 Version 21H2 for x64-based Systems

Windows 10 Version 21H2 for ARM64-based Systems

Windows 10 Version 21H2 for 32-bit Systems

Windows 11 for ARM64-based Systems

Windows 11 for x64-based Systems

Windows Server, version 20H2 (Server Core Installation)

Windows 10 Version 20H2 for ARM64-based Systems

Windows 10 Version 20H2 for 32-bit Systems

Windows 10 Version 20H2 for x64-based Systems

Windows Server 2022 Azure Edition Core Hotpatch

Windows Server 2022 (Server Core installation)

Windows Server 2022

Windows 10 Version 21H1 for 32-bit Systems

Windows 10 Version 21H1 for ARM64-based Systems

Windows 10 Version 21H1 for x64-based Systems

Windows Server 2019 (Server Core installation)

Windows Server 2019

Windows 10 Version 1809 for ARM64-based Systems

Windows 10 Version 1809 for x64-based Systems

Windows 10 Version 1809 for 32-bit Systems

 

0x02 °²È«½¨Òé

΢Èí°²È«ÏìÓ¦ÖÐÐÄÒѾ­°ä²¼ÁË´Ë·ì϶µÄÖ¸ÄÏ £¬ÊÜÓ°ÏìÓû§Äܹ»Ñ¡Ôñ½ûÓÃMSDT URLºÍ̸»òÀûÓ÷ǹٷ½²¹¶¡£º

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½ûÓà MSDT URL ºÍ̸¿ÉÔ¤·À¹ÊÕÏÅųý·¨Ê½×÷ΪÁ´½ÓÆô¶¯ £¬Ô̺¬Õû¸ö²Ù×÷ϵͳµÄÁ´½Ó¡£µ«ÒÀÈ»Äܹ»Ê¹ÓÃÆäËü·½Ê½½Ó¼û¹ÊÕÏÅųý·¨Ê½¡£

1.ÒÔÖÎÀíÔ±Éí·ÝÔËÐкÅÁîÌáÐÑ·û¡£

2.Òª±¸·Ý×¢²á±íÏî £¬ÇëÖ´ÐкÅÁî¡°reg export HKEY_CLASSES_ROOT\ms-msdt filename¡°¡£

3.Ö´ÐкÅÁî¡°reg delete HKEY_CLASSES_ROOT\ms-msdt /f¡±¡£

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2.Òª¸´Ô­±¸·Ý×¢²á±íÏî £¬ÇëÖ´ÐкÅÁî¡°reg import filename¡±¡£

´Ë±í £¬Microsoft Defender ·À²¡¶¾Èí¼þʹÓüì²â°æ±¾1.367.719.0?»ò¸ü¸ß°æ±¾Îª¿ÉÄܵķì϶ÀûÓÃÌṩ¼ì²âºÍ± £»¤ £»Microsoft Defender for Endpoint Ϊ¿Í»§Ìṩ¼ì²âºÍ¾¯±¨ £»Microsoft 365 Defender ÃÅ»§ÖеÄÒÔϾ¯±¨±êÌâÄܹ»ÅúÊ¾ÍøÂçÉϵÄÍþв»î¶¯£º

l  Office ÀûÓ÷¨Ê½µÄ¿ÉÒÉÐÐΪ

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https://msrc-blog.microsoft.com/2022/05/30/guidance-for-cve-2022-30190-microsoft-support-diagnostic-tool-vulnerability/

 

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0patch ΢²¹¶¡·þÎñÖØÒªÓÃÓÚÔÚ¹Ù·½½¨¸´¿ÉÓÃ֮ǰ± £»¤ÏµÍ³¡£0patchÒѾ­Õë¶Ô´Ë·ì϶ΪijЩWindows°æ±¾°ä²¼ÁËÃâ·ÑµÄ΢²¹¶¡ £¬µ«¸Ã²¹¶¡²»»áÆëÈ«½ûÓÃMSDTºÍ̸´¦Ö÷¨Ê½ £¬¶øÖ»ÊÇÔö³¤Á˶ÔÓû§ÌṩµÄõè¾¶µÄËãÕÊ¡£°ÑÎÈ £¬ÒªÏÂÔØ´Ë΢²¹¶¡ £¬±ØÒª×¢²á0patchÕÊ»§²¢×°ÖÃ0patch agent¡£¸Ã΢²¹¶¡ºÏÓÃÓÚÒÔÏÂWindows°æ±¾£º

Windows 11 v21H2

Windows 10 v21H2

Windows 10 v21H1

Windows 10 v20H2

Windows 10 v2004

Windows 10 v1909

Windows 10 v1903

Windows 10 v1809

Windows 10 v1803

Windows 7

Windows Server 2008 R2

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https://blog.0patch.com/2022/06/free-micropatches-for-follina-microsoft.html

 

ÆäËü½¨Òé

1.½¨Ò鹨¹ØWindows×ÊÔ´ÖÎÀíÆ÷ÖеÄÔ¤ÀÀ´°¸ñ £¬ÒÔ½â³ýËü×÷ΪԤÀÀ¶ñÒâÎļþʱ¿ÉÀûÓõĹ¥»÷ý½é¡£

2. ÈôÊÇÄúʹÓÃMicrosoft DefenderµÄ Attack Surface Reduction(ASR)¹æ¶¨ £¬Ôò¿ÉÔÚBlockģʽϼ¤»î¡°×èÖ¹ËùÓÐOfficeÀûÓ÷¨Ê½´´½¨×Ó¹ý³Ì¡±¹æ¶¨¡£ÈôÄú»¹Ã»ÓÐʹÓÃASR¹æ¶¨ £¬¿ÉÏÈÔÚAuditģʽÏÂÔËÐй涨 £¬¹Û²ìÁ˾ÖÒÔÈ·±£²»»á¶ÔϵͳÔì³É²»ÀûÓ°Ïì¡£

°ÑÎÈ£º×êÑÐÈËÔ±½«¼ì²âµ½ÔÚÒ°ÀûÓõÄ0 day·ì϶±êʶΪMicrosoft Office ´úÂëÖ´ÐÐ0 day·ì϶£¨³ÆÎª¡°Follina¡±£© £¬¸Ã·ì϶ӰÏìÁËOffice 2016 ºÍ Office 2021µÈ¡£±¾¹«¸æÖØÒª²Î¿¼Î¢Èí¹Ù·½²¼¸æMicrosoft Windows Ö§³ÖÕï¶Ï¹¤¾ß (MSDT) ËÁÒâ´úÂëÖ´Ðзì϶¡£

 

0x03 ²Î¿¼Á´½Ó

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-30190

https://doublepulsar.com/follina-a-microsoft-office-code-execution-vulnerability-1a47fce5629e

https://www.huntress.com/blog/microsoft-office-remote-code-execution-follina-msdt-bug

https://thehackernews.com/2022/05/watch-out-researchers-spot-new.html

 

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