¡¾Îó²îͨ¸æ¡¿Apache CouchDBÔ¶³Ì´úÂëÖ´ÐÐÎó²î£¨CVE-2022-24706£©
Ðû²¼Ê±¼ä 2022-04-270x00 Îó²î¸ÅÊö
CVE ID | CVE-2022-24706 | ·¢Ã÷ʱ¼ä | 2022-04-26 |
Àà ÐÍ | ´úÂëÖ´ÐÐ | µÈ ¼¶ | ÑÏÖØ |
Ô¶³ÌʹÓà | ÊÇ | Ó°Ïì¹æÄ£ | |
¹¥»÷ÖØÆ¯ºó | Óû§½»»¥ | ||
PoC/EXP | ÔÚҰʹÓà |
0x01 Îó²îÏêÇé
Apache CouchDB ÊÇÒ»¸ö¿ªÔ´µÄÎÞ·ì¶àÖ÷ͬ²½Êý¾Ý¿â£¬£¬£¬£¬Ê¹ÓÃÖ±¹ÛµÄHTTP/JSON API£¬£¬£¬£¬²¢Îª¿É¿¿ÐÔ¶øÉè¼Æ¡£¡£¡£¡£¡£¡£¡£
4ÔÂ26ÈÕ£¬£¬£¬£¬ApacheÐû²¼Ç徲ͨ¸æ£¬£¬£¬£¬¹ûÕæÁËApache CouchDBÖеÄÒ»¸öÔ¶³Ì´úÂëÖ´ÐÐÎó²î£¨CVE-2022-24706£©¡£¡£¡£¡£¡£¡£¡£ÔÚ3.2.2 °æ±¾Ö®Ç°µÄ Apache CouchDB ÖУ¬£¬£¬£¬¿ÉÒÔÔÚ²»¾ÙÐÐÉí·ÝÑéÖ¤µÄÇéÐÎÏ»á¼û²»×¼È·µÄĬÈÏ×°Öò¢»ñµÃÖÎÀíԱȨÏÞ£º
1. CouchDB ·¿ªÒ»¸öËæ»úÍøÂç¶Ë¿Ú£¬£¬£¬£¬°ó¶¨µ½ËùÓпÉÓõĽӿÚÒÔÔ¤ÆÚ¼¯Èº²Ù×÷»òruntime introspection£¬£¬£¬£¬³ÆÎª "epmd "µÄÊÊÓóÌÐòÏòÍøÂçÐû²¼ÁËÕâ¸öËæ»ú¶Ë¿Ú¡£¡£¡£¡£¡£¡£¡£epmd×Ô¼ºÔÚÒ»¸öÀο¿µÄ¶Ë¿ÚÉϼàÌý¡£¡£¡£¡£¡£¡£¡£
2. CouchDB°üװ֮ǰΪµ¥½ÚµãºÍ¼¯Èº×°ÖÃÑ¡ÔñÁËÒ»¸öĬÈϵÄ"cookie "Öµ£¬£¬£¬£¬¸ÃcookieÓÃÓÚÑéÖ¤Erlang ½ÚµãÖ®¼äµÄÈκÎͨѶ¡£¡£¡£¡£¡£¡£¡£
CouchDB¹Ù·½½¨ÒéÔÚËùÓÐCouchDB×°ÖÃǰÉèÖ÷À»ðǽ¡£¡£¡£¡£¡£¡£¡£ÍêÕûµÄCouchDB apiÔÚ×¢²áµÄ¶Ë¿Ú5984ÉÏ¿ÉÓ㬣¬£¬£¬ÕâÊǵ¥½Úµã×°ÖÃÐèÒª¹ûÕæµÄΨһ¶Ë¿Ú¡£¡£¡£¡£¡£¡£¡£²»½«µ¥¶ÀµÄ·ÖÀÄõü¿Ú̻¶¸øÍⲿ»á¼ûµÄ×°Öò»Ò×Êܵ½¹¥»÷¡£¡£¡£¡£¡£¡£¡£
Ó°Ïì¹æÄ£
Apache CouchDB < 3.2.2
0x02 Çå¾²½¨Òé
ÏÖÔÚ´ËÎó²îÒѾÐÞ¸´£¬£¬£¬£¬½¨ÒéÊÜÓ°ÏìÓû§ÊµÊ±Éý¼¶¸üе½Apache CouchDB 3.2.2»ò¸ü¸ß°æ±¾¡£¡£¡£¡£¡£¡£¡£
ÏÂÔØÁ´½Ó£º
https://couchdb.apache.org/
×¢£ºCouchDB °æ±¾>= 3.2.2Öн«²»ÔÙʹÓÃÒÔǰĬÈϵÄErlang cookieÖµ`monster'£¬£¬£¬£¬Éý¼¶µ½´Ë°æ±¾µÄ×°Öý«±»ÆÈÑ¡Ôñ²î±ðµÄÖµ¡£¡£¡£¡£¡£¡£¡£
±ðµÄ£¬£¬£¬£¬ËùÓжþ½øÖưü¶¼ÒѸüУ¬£¬£¬£¬ÒÔ°ó¶¨`epmd`ÒÔ¼°CouchDB·ÖÀÄõü¿Ú»®·ÖΪ`127.0.0.1`ºÍ/»ò`::1`¡£¡£¡£¡£¡£¡£¡£
0x03 ²Î¿¼Á´½Ó
https://www.mail-archive.com/announce@apache.org/msg07264.html
https://www.openwall.com/lists/oss-security/2022/04/26/1
https://docs.couchdb.org/en/stable/setup/cluster.html
0x04 °æ±¾ÐÅÏ¢
°æ±¾ | ÈÕÆÚ | ÐÞ¸ÄÄÚÈÝ |
V1.0 | 2022-04-27 | Ê×´ÎÐû²¼ |
0x05 ¸½Â¼
ÍòÀû¹ú¼Ê¹ÙÍø¼ò½é
ÍòÀû¹ú¼Ê¹ÙÍø¹«Ë¾½¨ÉèÓÚ1996Ä꣬£¬£¬£¬²¢ÓÚ2010Äê6ÔÂ23ÈÕÔÚÉî½»ËùÖÐС°åÕýʽ¹ÒÅÆÉÏÊУ¬£¬£¬£¬ÊǺ£ÄÚ¼«¾ßʵÁ¦µÄ¡¢ÓµÓÐÍêÈ«×ÔÖ÷֪ʶ²úȨµÄÍøÂçÇå¾²²úÆ·¡¢¿ÉÐÅÇå¾²ÖÎÀíÆ½Ì¨¡¢Ç徲ЧÀÍÓë½â¾ö¼Æ»®µÄ×ÛºÏÌṩÉÌ¡£¡£¡£¡£¡£¡£¡£
¹«Ë¾×ܲ¿Î»ÓÚ±±¾©ÊÐÖйشåÈí¼þÔ°£¬£¬£¬£¬ÔÚÌìϸ÷Ê¡¡¢ÊС¢×ÔÖÎÇøÉèÓзÖÖ§»ú¹¹£¬£¬£¬£¬ÓµÓÐÁýÕÖÌìϵÄÇþµÀϵͳºÍÊÖÒÕÖ§³ÖÖÐÐÄ£¬£¬£¬£¬²¢ÔÚ±±¾©¡¢ÉϺ£¡¢³É¶¼¡¢¹ãÖÝ¡¢³¤É³¡¢º¼ÖÝµÈ¶àµØÉèÓÐÑз¢ÖÐÐÄ¡£¡£¡£¡£¡£¡£¡£
¶àÄêÀ´£¬£¬£¬£¬ÍòÀû¹ú¼Ê¹ÙÍøÖÂÁ¦ÓÚÌṩ¾ßÓйú¼Ê¾ºÕùÁ¦µÄ×ÔÖ÷Á¢ÒìµÄÇå¾²²úÆ·ºÍ×î¼Ñʵ¼ùЧÀÍ£¬£¬£¬£¬×ÊÖú¿Í»§ÖÜÈ«ÌáÉýÆäIT»ù´¡ÉèÊ©µÄÇå¾²ÐÔºÍÉú²úЧÄÜ£¬£¬£¬£¬Îª´òÔìºÍÌáÉý¹ú¼Ê»¯µÄÃñ×åÐÅÏ¢Çå¾²¹¤ÒµÁì¾üÆ·ÅÆ¶ø²»Ð¸Æð¾¢¡£¡£¡£¡£¡£¡£¡£
¹ØÓÚÍòÀû¹ú¼Ê¹ÙÍø
ÍòÀû¹ú¼Ê¹ÙÍøÇå¾²Ó¦¼±ÏìÓ¦ÖÐÐÄÖ÷ÒªÕë¶ÔÖ÷ÒªÇå¾²Îó²îµÄÔ¤¾¯¡¢¸ú×ٺͷÖÏíÈ«Çò×îеÄÍþвÇ鱨ºÍÇå¾²±¨¸æ¡£¡£¡£¡£¡£¡£¡£
¹Ø×¢ÒÔϹ«Öںţ¬£¬£¬£¬»ñȡȫÇò×îÐÂÇå¾²×ÊѶ£º



¾©¹«Íø°²±¸11010802024551ºÅ