Path traversal in Titan FTP Server

1) Path traversal

EUVDB-ID: #VU35857

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2019-10009

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: Yes

Description

The vulnerability allows a remote authenticated user to gain access to sensitive information.

A Directory Traversal issue was discovered in the Web GUI in Titan FTP Server 2019 Build 3505. When an authenticated user attempts to preview an uploaded file (through PreviewHandler.ashx) by using a .... technique, arbitrary files can be loaded in the server response outside the root directory.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Titan FTP Server: 2019

CPE2.3

• cpe:2.3:a:south_river_technologies:titan_ftp_server:2019:*:*:*:*:*:*:*

External links

https://packetstormsecurity.com/files/152244/Titan-FTP-Server-2019-Build-3505-Directory-Traversal.html
https://seclists.org/fulldisclosure/2019/Mar/47
https://www.southrivertech.com/software/regsoft/titanftp/v19/verhist_en.html
https://seclists.org/fulldisclosure/2019/Mar/47
https://www.exploit-db.com/exploits/46611
https://www.exploit-db.com/exploits/46611/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.