ALFTP FTP Client LIST directory traversal
| alftpftp-list-directory-traversal (42900) |  Medium Risk |
Description:
ALFTP FTP Client could allow a remote attacker to traverse directories on the system. By persuading a victim to connect and download a directory containing a file with "dot dot" sequences using forward-slash or backslash characters (../ or ..\) in the filename using the LIST command, a remote attacker could traverse directories and write arbitrary files to the system.
*CVSS:
| Base Score: | 4.3 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | None |
| Availability Impact: | None |
| Temporal Score: | 4.1 |
| Exploitability: | High |
| Remediation Level: | Unavailable |
| Report Confidence: | Uncorroborated |
Consequences:
Gain Access
Remedy:
No remedy available as of May 15, 2010.
References:
- ALFTP Web site: ALFTP - FTP client and FTP server FREE for home users.
- vuln.sg Vulnerability Research Advisory 2008-06-06: ESTsoft ALFTP FTP Client Directory Traversal Vulnerability.
- BID-29585: ALFTP FTP Client 'LIST' Command Directory Traversal Vulnerability
- CVE-2008-2702: Directory traversal vulnerability in the FTP client in ALTools ESTsoft ALFTP 4.1 beta 2 and 5.0 allows remote FTP servers to create or overwrite arbitrary files via a .. (dot dot) in a response to a LIST command, a related issue to CVE-2002-1345. NOTE: this can be leveraged for code execution by writing to a Startup folder.
- SA30559: ALFTP FTP Client Directory Download Directory Traversal Vulnerability
- VUPEN/ADV-2008-1763: ESTsoft ALFTP Directory Download Directory Traversal Vulnerability
Platforms Affected:
- ESTsoft ALFTP FTP 4.1 beta2 en
- ESTsoft ALFTP FTP 5.0 ko
Reported:
Jun 06, 2008
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.