ALFTP FTP Server MKD command directory traversal

alftp-mkd-dir-traversal (30282)

Medium Risk

Description:

ALFTP could allow a remote, authenticated attacker to traverse directories on the system. An attacker could send specially-crafted arguments to the MDK command to traverse directories and create or overwrite arbitrary directories outside the FTP root directory.

*CVSS:

Base Score:	2.1
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Required
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	2
Exploitability:	High
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

File Manipulation

Remedy:

No remedy available as of February 6, 2010.

References:

• ALFTP Web page: ALFTP - FTP client and FTP server FREE for home users.
• BID-21058: AlTools ALFTP Authentication Bypass And Information Disclosure Vulenrabilities
• CVE-2006-5949: Directory traversal vulnerability in ALTools ALFTP FTP Server 4.1 beta 1, and possibly earlier, allows remote attackers to create arbitrary directories via directory traversal sequences in a MKD request. NOTE: the provenance of this information is unknown; details are obtained from third party sources.
• SA22874: ALFTP FTP Server Two Vulnerabilities
• VUPEN/ADV-2006-4518: ALFTP FTP Server Directory Traversal and Information Disclosure Vulnerabilities

Platforms Affected:

• ALTools ALFTP 4.1 beta 1 and prior

Reported:

Nov 15, 2006

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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.

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