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Fortinet FortiOS & FortiProxyÔ½½çдÈëÎó²î

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CVE-2024-21762

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2024-02-19

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FortiOSÊÇÃÀ¹ú·ÉËþ£¨Fortinet£©¹«Ë¾¿ª·¢µÄÒ»Ì×רÓÃÓÚFortiGateÍøÂçÇ徲ƽ̨ÉϵÄÇå¾²²Ù×÷ϵͳ £¬¸ÃϵͳΪÓû§Ìṩ·À»ðǽ¡¢·À²¡¶¾¡¢VPN¡¢WebÄÚÈݹýÂ˺ͷ´À¬»øÓʼþµÈ¶àÖÖÇå¾²¹¦Ð§ ¡£FortiProxyÊÇFortinetÍƳöµÄÒ»¿î¸ßÐÔÄÜÊðÀí²úÆ· £¬ËüÍŽáÁËWeb¹ýÂË¡¢DNS¹ýÂË¡¢DLP¡¢·´²¡¶¾¡¢ÈëÇÖ·ÀÓùºÍ¸ß¼¶Íþв±£»¤µÈ¶àÖÖ¼ì²âÊÖÒÕ £¬ÒÔ±£»¤Óû§ÃâÊÜÍøÂç¹¥»÷ ¡£

¿ËÈÕ £¬ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍøVSRC¼à²âµ½Fortinet FortiOS & FortiProxyÖÐÐÞ¸´ÁËÒ»¸öÔ½½çдÈëÎó²î£¨CVE-2024-21762 £¬CVSSv3ÆÀ·Ö9.8£© £¬ÏÖÔÚ¸ÃÎó²îÒѼì²âµ½Îó²îʹÓà ¡£ÓÉÓÚFortinet FortiOS ºÍ FortiProxy¶à¸öÊÜÓ°Ïì°æ±¾ÔÚSSL VPN×é¼þÖб£´æÔ½½çдÈëÎó²î £¬¿ÉÄܵ¼ÖÂδ¾­Éí·ÝÑéÖ¤µÄÔ¶³ÌÍþвÕßͨ¹ýÌØÖÆHTTPÇëÇóÖ´ÐÐí§ÒâÏÂÁî»ò´úÂë ¡£

¾Ý±¨µÀ £¬ÏÖÔÚÔÚÈ«Çò¹æÄ£ÄÚ±£´æÔ¼150,000 ¸öÒ×ÊܸÃÎó²îÓ°ÏìµÄ×ʲú×°±¸ £¬ÆäÖÐÊÜÓ°ÏìÊýÄ¿×î¶àµÄ×°±¸Î»ÓÚÃÀ¹ú £¬Áè¼Ý24,000 ̨ £¬Æä´ÎÊÇÓ¡¶È¡¢°ÍÎ÷ºÍ¼ÓÄôó ¡£


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FortiOS 7.4°æ±¾£º7.4.0 - 7.4.2

FortiOS 7.2°æ±¾£º7.2.0 - 7.2.6

FortiOS 7.0°æ±¾£º7.0.0 - 7.0.13

FortiOS 6.4°æ±¾£º6.4.0 - 6.4.14

FortiOS 6.2°æ±¾£º6.2.0 - 6.2.15

FortiOS 6.0°æ±¾£º6.0.0 - 6.0.17

FortiProxy 7.4°æ±¾£º7.4.0 - 7.4.2

FortiProxy 7.2°æ±¾£º7.2.0 - 7.2.8

FortiProxy 7.0°æ±¾£º7.0.0 - 7.0.14

FortiProxy 2.0°æ±¾£º2.0.0 - 2.0.13

FortiProxy 1.2°æ±¾£º1.2 ËùÓа汾

FortiProxy 1.1°æ±¾£º1.1 ËùÓа汾

FortiProxy 1.0°æ±¾£º1.0ËùÓа汾

 

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3.1 Éý¼¶°æ±¾

ÏÖÔÚ¸ÃÎó²îÒѾ­ÐÞ¸´ £¬ÊÜÓ°ÏìÓû§¿ÉÉý¼¶µ½ÒÔÏ°汾£º

FortiOS 7.4°æ±¾£º>=7.4.3

FortiOS 7.2°æ±¾£º>=7.2.7

FortiOS 7.0°æ±¾£º>= 7.0.14

FortiOS 6.4°æ±¾£º>= 6.4.15

FortiOS 6.2°æ±¾£º>= 6.2.16

FortiOS 6.0°æ±¾£º>= 6.0.18

FortiProxy 7.4°æ±¾£º>= 7.4.3

FortiProxy 7.2°æ±¾£º> 7.2.9

FortiProxy 7.0°æ±¾£º>= 7.0.15

FortiProxy 2.0°æ±¾£º>= 2.0.14

FortiProxy 1.2°æ±¾£ºÇ¨áãµ½Àο¿°æ±¾

FortiProxy 1.1°æ±¾£ºÇ¨áãµ½Àο¿°æ±¾

FortiProxy 1.0°æ±¾£ºÇ¨áãµ½Àο¿°æ±¾

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https://docs.fortinet.com/product/fortigate/7.4

3.2 ÔÝʱ²½·¥

½ûÓà SSL VPN£¨½ûÓà Web ģʽ²»ÊÇÓÐÓõĽâ¾öÒªÁ죩 ¡£

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Òª¼ì²âFortiGate SSL VPN ÊÇ·ñÈÝÒ×Êܵ½ CVE-2024-21762 µÄ¹¥»÷ £¬¿ÉʹÓÃÈçÏÂÎó²î¼ì²â¾ç±¾¹¤¾ß £¬Ó÷¨ÈçÏ£º

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https://github.com/BishopFox/cve-2024-21762-check

3.3 ͨÓý¨Òé

l  °´ÆÚ¸üÐÂϵͳ²¹¶¡ £¬ïÔ̭ϵͳÎó²î £¬ÌáÉý·þÎñÆ÷µÄÇå¾²ÐÔ ¡£

l  ÔöǿϵͳºÍÍøÂçµÄ»á¼û¿ØÖÆ £¬Ð޸ķÀ»ðǽսÂÔ £¬¹Ø±Õ·ÇÐëÒªµÄÓ¦Óö˿ڻò·þÎñ £¬ïÔÌ­½«Î£ÏÕ·þÎñ£¨ÈçSSH¡¢RDPµÈ£©Ì»Â¶µ½¹«Íø £¬ïÔÌ­¹¥»÷Ãæ ¡£

l  ʹÓÃÆóÒµ¼¶Çå¾²²úÆ· £¬ÌáÉýÆóÒµµÄÍøÂçÇå¾²ÐÔÄÜ ¡£

l  ÔöǿϵͳÓû§ºÍȨÏÞÖÎÀí £¬ÆôÓöàÒòËØÈÏÖ¤»úÖƺÍ×îСȨÏÞÔ­Ôò £¬Óû§ºÍÈí¼þȨÏÞÓ¦¼á³ÖÔÚ×îµÍÏÞ¶È ¡£

l  ÆôÓÃÇ¿ÃÜÂëÕ½ÂÔ²¢ÉèÖÃΪ°´ÆÚÐÞ¸Ä ¡£

3.4 ²Î¿¼Á´½Ó

https://www.fortiguard.com/psirt/FG-IR-24-015

https://bishopfox.com/blog/cve-2024-21762-vulnerability-scanner-for-fortigate-firewalls

https://www.bleepingcomputer.com/news/security/critical-fortinet-flaw-may-impact-150-000-exposed-devices/


 

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