GHSA-w393-h95m-f879

CoreFTP Directory Traversal

Source: GitHub Advisory Database (reviewed) Moderate CVE-2019-9648

Packages

Ecosystem	Package	Affected	Fixed in
NuGet	CoreFtp	<= 2.0	no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a `\..\..\` substring, allowing an attacker to enumerate file existence based on the returned information.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2019-9648 advisory
https://github.com/sparkeh9/CoreFTP package
https://seclists.org/fulldisclosure/2019/Mar/23 web
https://web.archive.org/web/20210125013812/https://www.securityfocus.com/bid/107446 web
https://www.exploit-db.com/exploits/46535 web
http://packetstormsecurity.com/files/154204/CoreFTP-Server-SIZE-Directory-Traversal.html web
http://seclists.org/fulldisclosure/2019/Aug/21 web
http://www.coreftp.com/forums/viewtopic.php?f=15&t=4022509 web