Sysax Multi Server FTP DELE directory traversal

sysax-ftpdele-directory-traversal (49360)

Medium Risk

Description:

Sysax Multi Server could allow a remote authenticated attacker to traverse directories on the system. An attacker could send a specially-crafted FTP DELE request containing "dot dot double slash" sequences (..//) to traverse directories and read, modify, or delete arbitrary files from the system.

*CVSS:

Base Score:	4
Access Vector:	Network
Access Complexity:	Low
Authentication:	Single
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	3.8
Exploitability:	High
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

File Manipulation

Remedy:

No remedy available as of May 1, 2013.

References:

• Sysax Web site: Secure ftp server, ftp client, and ftp script.
• BID-34209: Sysax Multi Server FTP 'DELE' Directory Traversal Vulnerability
• CVE-2009-4790: Multiple directory traversal vulnerabilities in Sysax Multi Server 4.5 allow remote authenticated users to read or modify arbitrary files via crafted FTP commands. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
• CVE-2009-4800: Directory traversal vulnerability in Sysax Multi Server 4.3 and 4.5 allows remote authenticated users to delete arbitrary files via a ..// (dot dot slash slash) in a DELE command.
• OSVDB ID: 52959: Sysax Multi Server FTP DELE Request Handling Traversal Arbitrary File Deletion
• SA34433: Sysax Multi Server FTP Directory Traversal Vulnerability

Platforms Affected:

• Sysax Multi Server 4.3

Reported:

Mar 23, 2009

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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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