CVE-2019-9648 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Reference

http://packetstormsecurity.com/files/154204/CoreFTP-Server-SIZE-Directory-Traversal.html http://seclists.org/fulldisclosure/2019/Aug/21 http://www.coreftp.com/forums/viewtopic.php?f=15&t=4022509 http://www.securityfocus.com/bid/107446 https://seclists.org/fulldisclosure/2019/Mar/23 https://www.exploit-db.com/exploits/46535

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3