Title: EFTP Server Directory and File Existence Vulnerability
Severity: HIGH
Description:
Encrypted File Transfer Protocol (EFTP) utilizes 448bit Blowfish Encryption Algorithm to ensure the secure transfer of files via the FTP protocol. EFTP is maintained by Khamil Landross and Zack Jones.
Users can confirm the existence and location of various files and directory structures outside the FTP root through a trial and error method. EFTP improperly restricts access outside of the FTP root when modified time (mdtm) and size (size) commands are used. The modified time command returns the last modified time of the requested file. The size command returns information on the size of the given file.
Submitting a 'size' or 'mdtm' command for a file outside of the FTP root could disclose directory structure information of unpublished filesystems on the host. If the requested command is fulfilled by the vulnerable service, the attacker can confirm the relative path to the file.
Successful exploitation of this vulnerability could lead to the disclosure of sensitive information and may aid in the execution of future attacks.
Affected Products:
- Cisco iCDN 2.0.0
- Khamil Landross and Zack Jones EFTP 2.0.7 .337
References:
- Khamil Landross and Zack Jones: EFTP Main Page
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