Core FTP FTP-client LIST command directory traversal
| coreftp-list-directory-traversal (42605) |  Medium Risk |
Description:
Core FTP FTP-client could allow a remote attacker to traverse directories on the system. By persuading a victim to download a directory containing a file with "dot dot" sequences using forward-slash or backslash characters (../ or ..\) in the filename via the LIST command, an 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: | None |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 3.7 |
| Exploitability: | High |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of Core FTP FTP-client (2.1 Build 1568 or later), available from the Core FTP Web site. See References.
References:
- Core FTP Web site: Free FTP client software for Windows.
- vuln.sg Vulnerability Research Advisory 2008-05-23: Core FTP FTP-Client Directory Traversal Vulnerability.
- BID-29362: Core FTP 'LIST' Command Directory Traversal Vulnerability
- CVE-2008-2519: Directory traversal vulnerability in Core FTP client 2.1 Build 1565 allows remote FTP servers to create or overwrite arbitrary files via .. (dot dot) sequences in responses to LIST commands, a related issue to CVE-2002-1345. NOTE: this can be leveraged for code execution by writing to a Startup folder.
- SA30389: Core FTP Directory Download Directory Traversal Vulnerability
- VUPEN/ADV-2008-1643: Core FTP Directory Download Remote Directory Traversal Vulnerability
Platforms Affected:
- Core FTP Core FTP 2.1 Build 1565 Pro
- Core FTP Core FTP 2.1 Build 1565 LE
Reported:
May 23, 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.