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CVE-2024-21893

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Ivanti Connect Secure£¨ICS£©ÊÇÒ»ÖÖSSL VPN ½â¾ö¼Æ»®£¬ËüÔÊÐíÔ¶³ÌºÍÒƶ¯Óû§´ÓÈκÎÖ§³ÖÍøÂçµÄ×°±¸»á¼û¹«Ë¾×ÊÔ´£»Ivanti Policy Secure£¨IPS£©ÊÇÒ»ÖÖÍøÂç»á¼û¿ØÖÆ (NAC) ½â¾ö¼Æ»®£¬¿ÉΪÊÚȨºÍÇå¾²µÄÓû§ºÍ×°±¸Ìṩ»á¼ûȨÏÞ£»Ivanti Neurons for ZTA ÊÇÒ»ÖÖSaaS ½»¸¶µÄÁãÐÅÍÐÍøÂç»á¿´·¨¾ö¼Æ»®£¬¿ÉΪ×éÖ¯µÄÓ¦ÓóÌÐò»ù´¡ÉèÊ©ÌṩÍêÈ«ÍйܵÄÁãÐÅÍÐÉí·ÝÑéÖ¤ºÍ»á¼û¿ØÖÆ¡£

2024Äê2ÔÂ1ÈÕ£¬ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍøVSRC¼à²âµ½Ivanti¶à¿î²úÆ·Öб£´æÒ»¸ö·þÎñÆ÷¶ËÇëÇóαÔìÎó²î£¨CVE-2024-21893£©£¬ÆäCVSSÆÀ·ÖΪ8.2£¬ÏÖÔÚ¸ÃÎó²îÒÑ·¢Ã÷±»Ê¹Óá£

ÓÉÓÚIvanti Connect Secure¡¢Ivanti Policy SecureºÍ Ivanti Neurons for ZTA µÄ SAML ×é¼þÖб£´æ·þÎñÆ÷¶ËÇëÇóαÔìÎó²î£¬¿ÉÄܵ¼ÖÂÍþвÕßÔÚδ¾­Éí·ÝÑéÖ¤µÄÇéÐÎÏ»á¼ûÒ×Êܹ¥»÷Éè±¹ØÁ¬ÄÊÜÏÞ×ÊÔ´¡£

±ðµÄ£¬Ivanti Connect SecureºÍ Ivanti Policy SecureµÄ Web ×é¼þ»¹Öб£´æÒ»¸öȨÏÞÌáÉýÎó²î£¨CVE-2024-21888£¬CVSSÆÀ·Ö8.8£©£¬µÍȨÏÞÓû§¿ÉʹÓøÃÎó²î½«È¨ÏÞÌáÉýÖÁÖÎÀíԱȨÏÞ¡£

 

 

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3.1 Éý¼¶°æ±¾

ÏÖÔÚIvanti ÒѾ­Ðû²¼ÁËÊÊÓÃÓÚ Ivanti Connect Secure°æ±¾ 9.1R14.4¡¢9.1R17.2¡¢9.1R18.3¡¢22.4R2.2 ¡¢22.5R1.1ºÍ ZTA °æ±¾ 22.6 R1.3µÄ²¹¶¡£¬ÊÜÓ°ÏìÓû§¿ÉÉý¼¶µ½×îа汾¡£

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https://www.ivanti.com/products/connect-secure-vpn

3.2 ÔÝʱ²½·¥

ÈôÊDz»¿ÉʵʱӦÓò¹¶¡£¬ÊÜÓ°ÏìÓû§¿Éͨ¹ýÏÂÔØÃÅ»§µ¼Èë Mitigation.release.20240126.5.xml ÎļþÀ´»º½âCVE-2023-46805¡¢CVE-2024-21887¡¢CVE-2024-21888 ºÍ CVE-2024-21893 Îó²î¡£ÏêÇé¿É²Î¿¼£º

https://forums.ivanti.com/s/article/KB-CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways

ÈôÊÇÓû§ÒÑÓ¦Óò¹¶¡£¬ÔòÎÞÐèÓ¦Óûº½â²½·¥¡£ÈôÊÇÔÚ´ò²¹¶¡Ç°Ó¦ÓÃÁË»º½â²½·¥£¬Ôò¿ÉÒÔÔÚ´ò²¹¶¡ºó½«Æäɾ³ý¡£

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×îµÍÏ޶ȡ£

l  ÆôÓÃÇ¿ÃÜÂëÕ½ÂÔ²¢ÉèÖÃΪ°´ÆÚÐ޸ġ£

3.4 ²Î¿¼Á´½Ó

https://forums.ivanti.com/s/article/CVE-2024-21888-Privilege-Escalation-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure

https://nvd.nist.gov/vuln/detail/CVE-2024-21893

 

 

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