¡¾·ì϶¹«¸æ¡¿Swagger UI¿çÕ¾¾ç±¾·ì϶

°ä²¼¹¦·ò 2022-05-25

 

0x00 ·ì϶¸ÅÊö

CVE   ID


·¢ÏÖ¹¦·ò

2022-05-24

Àà    ÐÍ

XSS

µÈ    ¼¶

¸ßΣ

Ô¶³ÌÀûÓÃ

ÊÇ

Ó°ÏìÁìÓò


¹¥»÷¸´ÔÓ¶È

µÍ

Óû§½»»¥


PoC/EXP

ÊÇ

ÔÚÒ°ÀûÓÃ


 

0x01 ·ì϶ÏêÇé

Swagger UI ÊÇÒ»¸öÊÜ»¶Ó­µÄ¿ªÔ´¹¤¾ß£¬£¬ £¬£¬£¬£¬¿ÉÔ®ÊÖÓû§ÔÚûÓÐÈκÎʵÏÖÂß¼­µÄÇé¿öÏ¿ÉÊÓ»¯ API ×ÊÔ´²¢ÓëÖ®½»»¥¡£¡£¡£¡£¡£¡£¡£¡£Ëü±»¶à¶à¹«Ë¾Ê¹Ó㬣¬ £¬£¬£¬£¬Ô̺¬ PayPal¡¢Shopify¡¢Microsoft¡¢Yahoo¡¢GitHub¡¢Atlassian µÈ¡£¡£¡£¡£¡£¡£¡£¡£

5ÔÂ16ÈÕ£¬£¬ £¬£¬£¬£¬×êÑÐÈËÔ±Åû¶ÁËSwagger UIÖеÄÒ»¸öDOM ÐÍXSS·ì϶¡£¡£¡£¡£¡£¡£¡£¡£ÓÉÓÚSwagger UIÖÐʹÓÃÁ˹ýÆÚµÄ¿âDOMpurify£¨ÓÃÓÚÊäÈëËãÕÊ£©£¬£¬ £¬£¬£¬£¬µ¼ÖÂÁËÓɲéÎʲÎÊý½ÚÔìµÄDOM XSS·ì϶£¬£¬ £¬£¬£¬£¬ÔÊÐíÔÚÒ³ÃæÉÏ×¢ÈëÈκÎÊôÐÔµÄHTMLÔªËØ£¨¾ç±¾±êǩ֮±í£©¡£¡£¡£¡£¡£¡£¡£¡£

Ŀǰ´Ë·ì϶µÄPoCÒѹ«¿ª£¬£¬ £¬£¬£¬£¬Äܹ»ÀûÓô˷ì϶ÒÔÀ©´óÇÔÈ¡Óû§µÄ CSRF token²¢ÊÕÊÜÊܺ¦ÕßµÄÕÊ»§¡£¡£¡£¡£¡£¡£¡£¡£

 

Ó°ÏìÁìÓò

3.14.1<= Swagger UI < 3.38.0

 

0x02 °²È«½¨Òé

Ŀǰ´Ë·ì϶ÒѾ­½¨¸´£¬£¬ £¬£¬£¬£¬½¨ÒéÊÜÓ°ÏìÓû§ÊµÊ±Éý¼¶¸üÐÂSwagger UIµ½×îа汾¡£¡£¡£¡£¡£¡£¡£¡£

ÏÂÔØÁ´½Ó£º

https://github.com/swagger-api/swagger-ui/releases

×¢£ºÈôÊÇÎÞ·¨Éý¼¶Õû¸ö Swagger UI °ü£¬£¬ £¬£¬£¬£¬Óû§Äܹ»Ñ¡Ôñ½« DomPurify °üÉý¼¶µ½ Swagger UI ÖÐʹÓõİ汾¡£¡£¡£¡£¡£¡£¡£¡£

 

0x03 ²Î¿¼Á´½Ó

https://www.vidocsecurity.com/blog/hacking-swagger-ui-from-xss-to-account-takeovers/

https://hackerone.com/reports/1072868

https://latesthackingnews.com/2022/05/24/swagger-ui-library-vulnerability-potentially-affects-multiple-services/

 

0x04 °æ±¾ÐÅÏ¢

°æ±¾

ÈÕÆÚ

Åú¸ÄÄÚÈÝ

V1.0

2022-05-25

³õ´Î°ä²¼

 

0x05 ¸½Â¼

8827Ì«Ñô¼¯Íżò½é

8827Ì«Ñô¼¯ÍŹ«Ë¾³ÉÁ¢ÓÚ1996Ä꣬£¬ £¬£¬£¬£¬²¢ÓÚ2010Äê6ÔÂ23ÈÕÔÚÉî½»ËùÖÐÓ×°åÕýʽ¹ÒÅÆÉÏÊУ¬£¬ £¬£¬£¬£¬ÊǹúÄÚ¼«¾ßʵÁ¦µÄ¡¢Õ¼ÓÐÆëÈ«×ÔÖ÷֪ʶ²úȨµÄÍøÂ簲ȫ²úÆ·¡¢¿ÉÐŰ²È«ÖÎÀíÆ½Ì¨¡¢°²È«·þÎñÓë½â¾ö¹æ»®µÄ×ÛºÏÌṩÉÌ¡£¡£¡£¡£¡£¡£¡£¡£

¹«Ë¾×ܲ¿Î»ÓÚ±±¾©ÊÐÖйشåÈí¼þÔ°£¬£¬ £¬£¬£¬£¬ÔÚÈ«¹ú¸÷Ê¡¡¢ÊÓ×¢×ÔÖÎÇøÉèÓзÖÖ§»ú¹¹£¬£¬ £¬£¬£¬£¬Õ¼Óи²¸ÇÈ«¹úµÄÇþ·ϵͳºÍ¼¼ÊõÖ§³ÖÖÐÐÄ£¬£¬ £¬£¬£¬£¬²¢ÔÚ±±¾©¡¢ÉϺ£¡¢³É¶¼¡¢ÕÑͨ¡¢³¤É³¡¢¾£ÃÅµÈ¶àµØÉèÓÐÑз¢ÖÐÐÄ¡£¡£¡£¡£¡£¡£¡£¡£

¶àÄêÀ´£¬£¬ £¬£¬£¬£¬8827Ì«Ñô¼¯ÍÅÖÂÁ¦ÓÚÌṩӵÓйú¼Ê¾ºÕùÁ¦µÄ×ÔÖ÷´´Ðµİ²È«²úÆ·ºÍ×î¼Ñʵ¼Ê·þÎñ£¬£¬ £¬£¬£¬£¬Ô®ÊÖ¿Í»§È«ÃæÌáÉýÆäIT»ù´¡ÉèÊ©µÄ°²È«ÐԺͳö²úЧÁ¦£¬£¬ £¬£¬£¬£¬Îª´òÔìºÍÌáÉý¹ú¼Ê»¯µÄÃñ×åÐÅÏ¢°²È«²úÒµÁì¾üÆ·ÅÆ¶ø²»Ð¸ÖÂÁ¦¡£¡£¡£¡£¡£¡£¡£¡£


¹ØÓÚ8827Ì«Ñô¼¯ÍÅ

8827Ì«Ñô¼¯ÍŰ²È«Ó¦¼±ÏìÓ¦ÖÐÐÄÖØÒªÕë¶Ô³ÁÒª°²È«·ì϶µÄÔ¤¾¯¡¢¸ú×ٺͷÖÏíÈ«Çò×îеÄÍþвµý±¨ºÍ°²È«»ã±¨¡£¡£¡£¡£¡£¡£¡£¡£

¹Ø×¢ÒÔϹ«¼ÒºÅ£¬£¬ £¬£¬£¬£¬»ñȡȫÇò×îа²È«×ÊѶ£º

image.png