Vulnerability identifier: #VU31225

Vulnerability risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-15535

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Responsive FileManager
Client/Desktop applications / File managers, FTP clients

Vendor: TecRail

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

/filemanager/ajax_calls.php in tecrail Responsive FileManager before 9.13.4 uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize get_file sequences such as ".." that can resolve to a location that is outside of that directory, aka Directory Traversal.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Responsive FileManager: 9.13.0 - 9.13.3

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External links
http://seclists.org/fulldisclosure/2018/Aug/34
http://www.exploit-db.com/exploits/45271/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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.