Description
An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. Using the MDTM FTP command, a remote attacker can use a directory traversal technique (..\..\) to browse outside the root directory to determine the existence of a file on the operating system, and its last modified date.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Core FTP Server FTP / SFTP Server v2 Build 674 - 'MDTM' Directory Traversal EDB-46534 · dos · Mar 13, 2019
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 107449 vdb-entry
- http://www.coreftp.com/forums/viewtopic.php?f=15&t=4022509
- 46534 exploit
- 20190311 CVE-2019-9649 CoreFTP FTP / SFTP Server v2 - Build 674 MDTM Directory Traversal mailing-list
- 20190825 CoreFTP Server FTP / SFTP Server v2 - Build 674 MDTM Directory Traversal (Metasploit) Exploit mailing-list
- http://packetstormsecurity.com/files/154205/CoreFTP-Server-MDTM-Directory-Traversal.html