¡¾Îó²îͨ¸æ¡¿Swagger UI¿çÕ¾¾ç±¾Îó²î

Ðû²¼Ê±¼ä 2022-05-25

 

0x00 Îó²î¸ÅÊö

CVE   ID


·¢Ã÷ʱ¼ä

2022-05-24

Àà    ÐÍ

XSS

µÈ    ¼¶

¸ßΣ

Ô¶³ÌʹÓÃ

ÊÇ

Ó°Ïì¹æÄ£


¹¥»÷ÖØÆ¯ºó

µÍ

Óû§½»»¥


PoC/EXP

ÊÇ

ÔÚҰʹÓÃ


 

0x01 Îó²îÏêÇé

Swagger UI ÊÇÒ»¸öÊܽӴýµÄ¿ªÔ´¹¤¾ß£¬£¬£¬ £¬£¬£¬¿É×ÊÖúÓû§ÔÚûÓÐÈκÎʵÏÖÂß¼­µÄÇéÐÎÏ¿ÉÊÓ»¯ API ×ÊÔ´²¢ÓëÖ®½»»¥¡£¡£¡£¡£¡£ ¡£¡£Ëü±»Öڶ๫˾ʹÓ㬣¬£¬ £¬£¬£¬°üÀ¨ PayPal¡¢Shopify¡¢Microsoft¡¢Yahoo¡¢GitHub¡¢Atlassian µÈ¡£¡£¡£¡£¡£ ¡£¡£

5ÔÂ16ÈÕ£¬£¬£¬ £¬£¬£¬Ñо¿Ö°Ô±Åû¶ÁËSwagger UIÖеÄÒ»¸öDOM ÐÍXSSÎó²î¡£¡£¡£¡£¡£ ¡£¡£ÓÉÓÚSwagger UIÖÐʹÓÃÁ˹ýʱµÄ¿âDOMpurify£¨ÓÃÓÚÊäÈëÕûÀí£©£¬£¬£¬ £¬£¬£¬µ¼ÖÂÁËÓÉÅÌÎʲÎÊý¿ØÖƵÄDOM XSSÎó²î£¬£¬£¬ £¬£¬£¬ÔÊÐíÔÚÒ³ÃæÉÏ×¢ÈëÈκÎÊôÐÔµÄHTMLÔªËØ£¨¾ç±¾±êÇ©³ýÍ⣩¡£¡£¡£¡£¡£ ¡£¡£

ÏÖÔÚ´ËÎó²îµÄPoCÒѹûÕæ£¬£¬£¬ £¬£¬£¬¿ÉÒÔʹÓôËÎó²îÒÔÀ©Õ¹ÇÔÈ¡Óû§µÄ CSRF token²¢½ÓÊÜÊܺ¦ÕßµÄÕÊ»§¡£¡£¡£¡£¡£ ¡£¡£

 

Ó°Ïì¹æÄ£

3.14.1<= Swagger UI < 3.38.0

 

0x02 Çå¾²½¨Òé

ÏÖÔÚ´ËÎó²îÒѾ­ÐÞ¸´£¬£¬£¬ £¬£¬£¬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§¿ÉÒÔÑ¡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

ÐÞ¸ÄÄÚÈÝ

V1.0

2022-05-25

Ê×´ÎÐû²¼

 

0x05 ¸½Â¼

°ÙÀÖ²©¼ò½é

°ÙÀÖ²©¹«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´£¬£¬£¬ £¬£¬£¬°ÙÀÖ²©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¢¡£¡£¡£¡£¡£ ¡£¡£


¹ØÓÚ°ÙÀÖ²©

°ÙÀÖ²©Çå¾²Ó¦¼±ÏìÓ¦ÖÐÐÄÖ÷ÒªÕë¶ÔÖ÷ÒªÇå¾²Îó²îµÄÔ¤¾¯¡¢¸ú×ٺͷÖÏíÈ«Çò×îеÄÍþвÇ鱨ºÍÇå¾²±¨¸æ¡£¡£¡£¡£¡£ ¡£¡£

¹Ø×¢ÒÔϹ«Öںţ¬£¬£¬ £¬£¬£¬»ñȡȫÇò×îÐÂÇå¾²×ÊѶ£º

image.png