¡¾Îó²îͨ¸æ¡¿Redis´úÂëÖ´ÐÐÎó²î£¨CVE-2024-46981£©

Ðû²¼Ê±¼ä 2025-01-07

Ò»¡¢Îó²î¸ÅÊö


Îó²îÃû³Æ

Redis´úÂëÖ´ÐÐÎó²î

CVE   ID

CVE-2024-46981

Îó²îÀàÐÍ

Use-After-Free

·¢Ã÷ʱ¼ä

2025-01-07

Îó²îÆÀ·Ö

7.0

Îó²îÆ·¼¶

¸ßΣ

¹¥»÷ÏòÁ¿

ÍâµØ

ËùÐèȨÏÞ

µÍ

ʹÓÃÄѶÈ

¸ß

Óû§½»»¥

ÎÞ

PoC/EXP

δ¹ûÕæ

ÔÚҰʹÓÃ

δ·¢Ã÷

 

RedisÊÇÒ»¸ö¸ßÐÔÄÜ¡¢ÎÞаÇÒÒ×ÓÚÀ©Õ¹µÄ¼üÖµ´æ´¢Êý¾Ý¿â£¬£¬£¬£¬£¬£¬ÊÊÓÃÓÚÖÖÖÖÓ¦Óó¡¾°£¬£¬£¬£¬£¬£¬¿É×÷Ϊ»º´æ¡¢Êý¾Ý¿âºÍÐÂÎÅÖÐÐļþµÈ£¬£¬£¬£¬£¬£¬¾ßÓо«²ÊµÄÐÔÄܺÍÎȹÌÐÔ¡£¡£¡£¡£


2025Äê1ÔÂ7ÈÕ£¬£¬£¬£¬£¬£¬Z6×ðÁú¿­Ê±¼¯ÍÅVSRC¼à²âµ½RedisÖÐÐÞ¸´ÁËÒ»¸ö´úÂëÖ´ÐÐÎó²î£¨CVE-2024-46981£©£¬£¬£¬£¬£¬£¬¸ÃÎó²îµÄCVSSÆÀ·ÖΪ7.0¡£¡£¡£¡£


Redis µÄ Lua ¾ç±¾ÒýÇæÔÚ´¦Öóͷ£ÄÚ´æÖÎÀíʱ±£´æÎó²î£¬£¬£¬£¬£¬£¬¾­ÓÉÉí·ÝÑéÖ¤µÄÓû§¿ÉÒÔʹÓÃÌØÖÆµÄ Lua ½ÅÔ­À´Ê¹ÓÃÄÚ´æ½ÓÄÉ»úÖÆ£¬£¬£¬£¬£¬£¬Í¨¹ýRedisÌṩµÄ EVAL ºÍ EVALSHA ÏÂÁîÔËÐиöñÒâ Lua ¾ç±¾£¬£¬£¬£¬£¬£¬´Ó¶ø¿ÉÄÜʹÓøÃÎó²îÔÚ Redis ЧÀÍÆ÷ÉÏÖ´ÐÐí§Òâ´úÂë¡£¡£¡£¡£


¶þ¡¢Ó°Ïì¹æÄ£


Redis < 7.4.2

Redis < 7.2.7

Redis < 6.2.17


×¢£ºÈôÊÇ Redis ÉèÖÃδÏÞÖÆ Lua ¾ç±¾Ö´ÐУ¨ÀýÈçͨ¹ý ACL ÉèÖÃÏÞÖÆ EVAL ºÍ EVALSHA ÏÂÁ£¬£¬£¬£¬£¬£¬ÔòʹÓà Lua ¾ç±¾µÄ Redis »áÊܵ½¸ÃÎó²îµÄÓ°Ïì¡£¡£¡£¡£


Èý¡¢Çå¾²²½·¥


3.1 Éý¼¶°æ±¾


ÏÖÔÚ¸ÃÎó²îÒѾ­ÐÞ¸´£¬£¬£¬£¬£¬£¬ÊÜÓ°ÏìÓû§¿ÉÉý¼¶µ½ÒÔϰ汾£º

Redis >= 7.4.2

Redis >= 7.2.7

Redis >= 6.2.17


ÏÂÔØÁ´½Ó£º

https://github.com/redis/redis/tags


3.2 ÔÝʱ²½·¥


ͨ¹ý×èÖ¹Óû§Ö´ÐÐ Lua ¾ç±¾£¬£¬£¬£¬£¬£¬´Ó¶ø×èÖ¹¶ñÒâ Lua ¾ç±¾µÄÖ´ÐС£¡£¡£¡£¿£¿£¿ÉÒÔͨ¹ý ACL£¨»á¼û¿ØÖÆÁÐ±í£©À´ÏÞÖÆ»òեȡ EVAL ºÍ EVALSHA ÏÂÁîµÄʹÓᣡ£¡£¡£


3.3 ͨÓý¨Òé


? °´ÆÚ¸üÐÂϵͳ²¹¶¡£¡£¡£¡£¬£¬£¬£¬£¬£¬ïÔ̭ϵͳÎó²î£¬£¬£¬£¬£¬£¬ÌáÉýЧÀÍÆ÷µÄÇå¾²ÐÔ¡£¡£¡£¡£

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

ʹÓÃÆóÒµ¼¶Çå¾²²úÆ·£¬£¬£¬£¬£¬£¬ÌáÉýÆóÒµµÄÍøÂçÇå¾²ÐÔÄÜ¡£¡£¡£¡£

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

ÆôÓÃÇ¿ÃÜÂëÕ½ÂÔ²¢ÉèÖÃΪ°´ÆÚÐ޸ġ£¡£¡£¡£


3.4 ²Î¿¼Á´½Ó


https://github.com/redis/redis/security/advisories/GHSA-39h2-x6c4-6w4c

https://nvd.nist.gov/vuln/detail/CVE-2024-46981


ËÄ¡¢°æ±¾ÐÅÏ¢


°æ±¾

ÈÕÆÚ

±¸×¢

V1.0

2025-01-07

Ê×´ÎÐû²¼

 

Îå¡¢¸½Â¼


5.1 Z6×ðÁú¿­Ê±¼ò½é


Z6×ðÁú¿­Ê±½¨ÉèÓÚ1996Ä꣬£¬£¬£¬£¬£¬ÊÇÓÉÁôÃÀ²©Ê¿ÑÏÍû¼ÑŮʿ½¨ÉèµÄ¡¢ÓµÓÐÍêÈ«×ÔÖ÷֪ʶ²úȨµÄÐÅÏ¢Çå¾²¸ß¿Æ¼¼ÆóÒµ¡£¡£¡£¡£ÊǺ£ÄÚ×î¾ßʵÁ¦µÄÐÅÏ¢Çå¾²²úÆ·¡¢Ç徲ЧÀͽâ¾ö¼Æ»®µÄÁ캽ÆóÒµÖ®Ò»¡£¡£¡£¡£


¹«Ë¾×ܲ¿Î»ÓÚ±±¾©ÊÐÖйشåÈí¼þÔ°Z6×ðÁú¿­Ê±´óÏ㬣¬£¬£¬£¬£¬¹«Ë¾Ô±¹¤6000ÓàÈË£¬£¬£¬£¬£¬£¬Ñз¢ÍŶÓ1200ÓàÈË, ÊÖÒÕЧÀÍÍŶÓ1300ÓàÈË¡£¡£¡£¡£ÔÚÌìϸ÷Ê¡¡¢ÊС¢×ÔÖÎÇøÉèÁ¢·ÖÖ§»ú¹¹ÁùÊ®¶à¸ö£¬£¬£¬£¬£¬£¬ÓµÓÐÁýÕÖÌìϵÄÏúÊÛϵͳ¡¢ÇþµÀϵͳºÍÊÖÒÕÖ§³Öϵͳ¡£¡£¡£¡£¹«Ë¾ÓÚ2010Äê6ÔÂ23ÈÕÔÚÉîÛÚÖÐС°å¹ÒÅÆÉÏÊС£¡£¡£¡££¨¹ÉƱ´úÂ룺002439£©


¶àÄêÀ´£¬£¬£¬£¬£¬£¬Z6×ðÁú¿­Ê±ÖÂÁ¦ÓÚÌṩ¾ßÓйú¼Ê¾ºÕùÁ¦µÄ×ÔÖ÷Á¢ÒìµÄÇå¾²²úÆ·ºÍ×î¼Ñʵ¼ùЧÀÍ£¬£¬£¬£¬£¬£¬×ÊÖú¿Í»§ÖÜÈ«ÌáÉýÆäIT»ù´¡ÉèÊ©µÄÇå¾²ÐÔºÍÉú²úЧÄÜ£¬£¬£¬£¬£¬£¬Îª´òÔìºÍÌáÉý¹ú¼Ê»¯µÄÃñ×åÐÅÏ¢Çå¾²¹¤ÒµÁì¾üÆ·ÅÆ¶ø²»Ð¸Æð¾¢¡£¡£¡£¡£


5.2 ¹ØÓÚZ6×ðÁú¿­Ê±


Z6×ðÁú¿­Ê±Çå¾²Ó¦¼±ÏìÓ¦ÖÐÐÄÒÑÐû²¼1000¶à¸öÎó²îͨ¸æºÍΣº¦Ô¤¾¯£¬£¬£¬£¬£¬£¬ÎÒÃǽ«Ò»Á¬¸ú×ÙÈ«Çò×îеÄÍøÂçÇå¾²ÊÂÎñºÍÎó²î£¬£¬£¬£¬£¬£¬ÎªÆóÒµµÄÐÅÏ¢Çå¾²±£¼Ý»¤º½¡£¡£¡£¡£


¹Ø×¢ÎÒÃÇ£º


Çå¾²¼òѶ.jpg