¡¾Îó²îͨ¸æ¡¿Citrix NetScaler ADC & Gateway¾Ü¾ø·þÎñÎó²î£¨CVE-2023-6549£©

Ðû²¼Ê±¼ä 2024-01-17

Ò»¡¢Îó²î¸ÅÊö

Îó²îÃû³Æ

     Citrix NetScaler ADC & NetScaler Gateway¾Ü¾ø·þÎñÎó²î

CVE   ID

CVE-2023-6549

Îó²îÀàÐÍ

DoS

·¢Ã÷ʱ¼ä

2024-01-17

Îó²îÆÀ·Ö

8.2

Îó²îÆ·¼¶

¸ßΣ

¹¥»÷ÏòÁ¿

ÍøÂç

ËùÐèȨÏÞ

ÎÞ

ʹÓÃÄѶÈ

µÍ

Óû§½»»¥

ÎÞ

PoC/EXP

δ¹ûÕæ

ÔÚҰʹÓÃ

ÒÑ·¢Ã÷

 

NetScaler ADCºÍNetScaler Gateway£¨ÒÔÇ°³ÆΪCitrix ADCºÍCitrix Gateway£©¶¼ÊÇÃÀ¹ú˼½Ü£¨Citrix£©¹«Ë¾µÄ²úÆ·¡£Citrix GatewayÊÇÒ»Ì×Çå¾²µÄÔ¶³Ì½ÓÈë½â¾ö¼Æ»®£¬¿ÉÌṩӦÓü¶ºÍÊý¾Ý¼¶¹Ü¿Ø¹¦Ð§£¬ÒÔʵÏÖÓû§´ÓÈκÎËùÔÚÔ¶³Ì»á¼ûÓ¦ÓúÍÊý¾Ý£»Citrix ADCÊÇÒ»¸öÖÜÈ«µÄÓ¦ÓóÌÐò½»¸¶ºÍ¸ºÔØƽºâ½â¾ö¼Æ»®£¬ÓÃÓÚʵÏÖÓ¦ÓóÌÐòÇå¾²ÐÔ¡¢ÕûÌå¿É¼ûÐԺͿÉÓÃÐÔ¡£

2024Äê1ÔÂ17ÈÕ£¬ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍøVSRC¼à²âµ½NetScaler ADCºÍNetScaler GatewayÖÐÐÞ¸´ÁËÒ»¸ö¾Ü¾ø·þÎñÎó²î£¨CVE-2023-6549£©£¬ÆäCVSSv3ÆÀ·ÖΪ8.2£¬ÏÖÔÚ¸ÃÎó²îÒÑ·¢Ã÷±»Ê¹Óᣵ±NetScaler ADC ºÍ NetScaler Gateway×°±¸ÉèÖÃΪÍø¹Ø£¨VPN ÐéÄâ·þÎñÆ÷¡¢ICA ÊðÀí¡¢CVPN¡¢RDP ÊðÀí£©»ò AAA ÐéÄâ·þÎñÆ÷ʱÈÝÒ×Êܵ½DoS¹¥»÷£¬ÀÖ³ÉʹÓøÃÎó²î¿ÉÄܵ¼Ö¾ܾø·þÎñ¡£

±ðµÄ£¬NetScaler ADC ºÍ NetScaler Gateway×°±¸Öл¹ÐÞ¸´ÁËÁíÒ»¸ö±»Ê¹ÓõĴúÂëÖ´ÐÐÎó²î£¨CVE-2023-6548£©£¬ÆäCVSSv3ÆÀ·ÖΪ5.5£¬¾­ÓÉÉí·ÝÑéÖ¤ÇÒÄܹ»Í¨¹ýÖÎÀí½çÃæ»á¼ûNSIP¡¢CLIP»ò SNIPµÄµÍȨÏÞÍþвÕß¿ÉʹÓøÃÎó²îµ¼Ö´úÂëÖ´ÐС£

 


¶þ¡¢Ó°Ïì¹æÄ£

NetScaler ADC ºÍ NetScaler Gateway?14.1 <?14.1-12.35

NetScaler ADC ºÍ NetScaler Gateway 13.1?< ?13.1-51.15

NetScaler ADC ºÍ NetScaler Gateway 13.0?< 13.0-92.21

NetScaler ADC 13.1-FIPS < 13.1-37.176

NetScaler ADC 12.1-FIPS < 12.1-55.302

NetScaler ADC 12.1-NDcPP < 12.1-55.302

×¢£ºNetScaler ADC ºÍ NetScaler Gateway °æ±¾12.1Ò²Ò×ÊÜÓ°Ï죬µ«¸Ã°æ±¾ÏÖÒÑ×èÖ¹Ö§³Ö¡£

ƾ֤ËÑË÷£¬NetScaler ADC¹ØÁªµÄÈ«ÇòΣº¦×ʲú×ÜÊýΪ11517¸ö£¬º£ÄÚ¹ØÁªIP×ÜÊýΪ898¸ö£»NetScaler Gateway¹ØÁªµÄÈ«ÇòΣº¦×ʲú×ÜÊýΪ4376¸ö£¬º£ÄÚ¹ØÁªIP×ÜÊýΪ446¸ö¡£

 

  

Èý¡¢Çå¾²²½·¥

3.1 Éý¼¶°æ±¾

ÏÖÔÚÕâЩÎó²îÒѾ­ÐÞ¸´£¬ÊÜÓ°ÏìµÄNetScaler ADCºÍNetScaler GatewayÓû§¿ÉÉý¼¶µ½ÒÔÏ°汾£º

NetScaler ADC ºÍ NetScaler Gateway?14.1 >=?14.1-12.35

NetScaler ADC ºÍ NetScaler Gateway 13.1? >= ?13.1-51.15

NetScaler ADC ºÍ NetScaler Gateway 13.0?>= 13.0-92.21

NetScaler ADC 13.1-FIPS >= 13.1-37.176

NetScaler ADC 12.1-FIPS >= 12.1-55.302

NetScaler ADC 12.1-NDcPP >= 12.1-55.302

ÏÂÔØÁ´½Ó£º

https://www.citrix.com/downloads/

3.2 ÔÝʱ²½·¥

CVE-2023-6548½öÓ°ÏìÖÎÀí½çÃ棬¿Éͨ¹ý²»½«ÖÎÀí½çÃæ¹ûÕæµ½»¥ÁªÍøÀ´»º½â¸ÃÎó²î£¬»ò½öÔÊÐíÊÜÐÅÍøÂç»á¼û¡£ÓйØÏêϸÐÅÏ¢£¬¿É²ÎÔÄ NetScaler Çå¾²°²ÅÅÖ¸ÄÏ£ºhttps://docs.citrix.com/en-us/citrix-adc/citrix-adc-secure-deployment/secure-deployment-guide.html

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://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549

https://nvd.nist.gov/vuln/detail/CVE-2023-6549

 

 

ËÄ¡¢°æ±¾ÐÅÏ¢

°æ±¾

ÈÕÆÚ

±¸×¢

V1.0

2024-01-17

Ê×´ÎÐû²¼

 

 

Îå¡¢¸½Â¼

5.1 ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍø¼ò½é

ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍø½¨ÉèÓÚ1996Ä꣬ÊÇÓÉÁôÃÀ²©Ê¿ÑÏÍû¼ÑŮʿ½¨ÉèµÄ¡¢ÓµÓÐÍêÈ«×ÔÖ÷֪ʶ²úȨµÄÐÅÏ¢Çå¾²¸ß¿Æ¼¼ÆóÒµ¡£ÊǺ£ÄÚ×î¾ßʵÁ¦µÄÐÅÏ¢Çå¾²²úÆ·¡¢Çå¾²·þÎñ½â¾ö¼Æ»®µÄÁ캽ÆóÒµÖ®Ò»¡£

¹«Ë¾×ܲ¿Î»ÓÚ±±¾©ÊÐÖйشåÈí¼þÔ°ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍø´óÏ㬹«Ë¾Ô±¹¤6000ÓàÈË£¬Ñз¢ÍŶÓ1200ÓàÈË, ÊÖÒÕ·þÎñÍŶÓ1300ÓàÈË¡£ÔÚÌìϸ÷Ê¡¡¢ÊС¢×ÔÖÎÇøÉèÁ¢·ÖÖ§»ú¹¹ÁùÊ®¶à¸ö£¬ÓµÓÐÁýÕÖÌìϵÄÏúÊÛϵͳ¡¢ÇþµÀϵͳºÍÊÖÒÕÖ§³Öϵͳ¡£¹«Ë¾ÓÚ2010Äê6ÔÂ23ÈÕÔÚÉîÛÚÖÐС°å¹ÒÅÆÉÏÊС££¨¹ÉƱ´úÂ룺002439£©

¶àÄêÀ´£¬ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍøÖÂÁ¦ÓÚÌṩ¾ßÓйú¼Ê¾ºÕùÁ¦µÄ×ÔÖ÷Á¢ÒìµÄÇå¾²²úÆ·ºÍ×î¼Ñʵ¼ù·þÎñ£¬×ÊÖú¿Í»§ÖÜÈ«ÌáÉýÆäIT»ù´¡ÉèÊ©µÄÇå¾²ÐÔºÍÉú²úЧÄÜ£¬Îª´òÔìºÍÌáÉý¹ú¼Ê»¯µÄÃñ×åÐÅÏ¢Çå¾²¹¤ÒµÁì¾üÆ·Åƶø²»Ð¸Æ𾢡£

5.2 ¹ØÓÚÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍø

ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍøÇå¾²Ó¦¼±ÏìÓ¦ÖÐÐÄÒÑÐû²¼1000¶à¸öÎó²îͨ¸æºÍΣº¦Ô¤¾¯£¬ÎÒÃǽ«Ò»Á¬¸ú×ÙÈ«Çò×îеÄÍøÂçÇå¾²ÊÂÎñºÍÎó²î£¬ÎªÆóÒµµÄÐÅÏ¢Çå¾²±£¼Ý»¤º½¡£

¹Ø×¢ÎÒÃÇ£º

image.png