¡¾Îó²îͨ¸æ¡¿Apache Kafka»á¼û¿ØÖƲ»µ±Îó²î£¨CVE-2024-27309£©

Ðû²¼Ê±¼ä 2024-04-12

 

Ò»¡¢Îó²î¸ÅÊö

Îó²îÃû³Æ

  Apache   Kafka»á¼û¿ØÖƲ»µ±Îó²î

CVE   ID

CVE-2024-27309

Îó²îÀàÐÍ

»á¼û¿ØÖƲ»µ±

·¢Ã÷ʱ¼ä

2024-04-12

Îó²îÆÀ·Ö

6.8

Îó²îÆ·¼¶

ÖÐΣ

¹¥»÷ÏòÁ¿

ÍøÂç

ËùÐèȨÏÞ

µÍ

ʹÓÃÄѶÈ

¸ß

Óû§½»»¥

ÎÞ

PoC/EXP

δ¹ûÕæ

ÔÚҰʹÓÃ

δ·¢Ã÷

 

Apache Kafka ÊÇÒ»¸ö¿ªÔ´ÂþÑÜʽÊÂÎñÁ÷ƽ̨£¬Í¨³£ÓÃÓÚ¸ßÐÔÄÜÊý¾Ý¹ÜµÀ¡¢Á÷ÆÊÎö¡¢Êý¾Ý¼¯³ÉºÍºÍÒªº¦Ê¹ÃüÓ¦Óá£ZooKeeperͨ³£ÓÃÓÚÖÎÀíKafka¼¯ÈºµÄÔªÊý¾Ý£¬¶øKRaftģʽÔòͨ¹ýRaftЭÒéÖ±½ÓÔÚKafka¼¯ÈºÄÚ²¿´¦Öóͷ£ÕâЩԪÊý¾Ý¡£

2024Äê4ÔÂ12ÈÕ£¬ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍøVSRC¼à²âµ½Apache KafkaÖб£´æÒ»¸ö»á¼û¿ØÖƲ»µ±Îó²î£¨CVE-2024-27309£©£¬¹Ù·½ÆÀ¼¶Îª¡°ÑÏÖØ¡±¡£

Apache KafkaÊÜÓ°Ïì°æ±¾ÖУ¬µ±Apache Kafka¼¯Èº´Ó ZooKeeper ģʽǨáãµ½ KRaftģʽʱ£¬ÈôÊÇÖÎÀíԱɾ³ýACL£¨»á¼û¿ØÖÆÁÐ±í£©£¬²¢ÇÒÓëɾ³ýµÄACLÏà¹ØÁªµÄ×ÊÔ´ÔÚɾ³ýºóÈÔÓÐÁ½¸ö»ò¸ü¶àÆäËûACL¹ØÁªÊ±£¬Kafka»á½«¸Ã×ÊÔ´ÊÓΪÔÚɾ³ýºó½ö¾ßÓÐÒ»¸öÓëÆä¹ØÁªµÄ ACL£¬µ¼ÖÂACL¿ÉÄÜÎÞ·¨×¼È·Ö´ÐУ¬¸ÃÎó²î¿ÉÄܵ¼Ö»á¼û¿ØÖÆʧЧ»òδÊÚȨ»á¼û¡¢¾Ü¾ø·þÎñ¹¥»÷¡¢Õýµ±Óû§ÎÞ·¨Õý³£»á¼ûµÈ¡£


¶þ¡¢Ó°Ïì¹æÄ£

 Apache Kafka 3.5.0¡¢3.5.1¡¢3.5.2¡¢3.6.0¡¢3.6.1

×¢£ºÎó²îÏêϸӰÏìÈ¡¾öÓÚÉèÖÃµÄ ACL¡£ÈôÊÇÔÚǨáãʱ´ú½öÉèÖÃÁË ALLOW ACL£¬ÔòÓ°Ï콫½öÏÞÓÚ¿ÉÓÃÐÔÓ°Ïì¡£ÈôÊÇÉèÖÃÁË DENY ACL£¬ÔòÓ°Ïì¿ÉÄÜ°üÀ¨ÉñÃØÐÔºÍÍêÕûÐÔÓ°Ï죬ÓÉÓÚÔÚǨáãÀú³ÌÖÐDENY ACL¿ÉÄܻᱻºöÂÔ¡£

 


Èý¡¢Çå¾²²½·¥

3.1 Éý¼¶°æ±¾

ÏÖÔÚ¸ÃÎó²îÒѾ­ÐÞ¸´£¬ÊÜÓ°ÏìÓû§¿É¸üе½²»ÊÜÓ°ÏìµÄApache Kafka°æ±¾£¬»òÉý¼¶µ½Apache Kafka°æ±¾3.6.2¡¢3.7.0»ò¸ü¸ß°æ±¾¡£

ÏÂÔØÁ´½Ó£º

https://kafka.apache.org/downloads

3.2 ÔÝʱ²½·¥

ͨ¹ýɾ³ýZKģʽϵÄËùÓÐÊðÀí£¬»òÏòÊÜÓ°ÏìµÄ×ÊÔ´Ìí¼ÓеÄACL£¬¿ÉÒÔɨ³ý²»×¼È·µÄÇéÐΡ£Ç¨áãÍê³Éºó£¬ÔªÊý¾Ý²»»áɥʧ£¨ACLËùÓб£´æ£©¡£

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://www.openwall.com/lists/oss-security/2024/04/12/3

https://seclists.org/oss-sec/2024/q2/105

https://kafka.apache.org/

 

ËÄ¡¢°æ±¾ÐÅÏ¢

°æ±¾

ÈÕÆÚ

±¸×¢

V1.0

2024-04-12

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