SurgeFTP PASV denial of service

surgeftp-pasv-dos (35376)

Medium Risk

Description:

SurgeFTP is vulnerable to a denial of service, caused by a vulnerability when handling PASV commands. By sending a specially-crafted PASV command, a remote attacker could exploit this vulnerability to crash the server.

*CVSS:

Base Score:	3.5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	2.6
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of SurgeFTP (7/12/2007 or later), available from the SurgeFTP Web site. See References.

References:

• Portcullis Security Advisory 06-061: SurgeFTP 2.3a1 - Denial Of Service.
• SurgeFTP Web site: SurgeFTP -- Unix/Windows Ftp Server Software.
• BID-24892: NetWin SurgeFTP Multiple Remote Vulnerabilities
• CVE-2007-3768: The mirror mechanism in SurgeFTP 2.3a1 allows user-assisted, remote FTP servers to cause a denial of service (restart) via a malformed response to a PASV command.
• OSVDB ID: 37909: NetWin SurgeFTP Mirror Mechanism PASV Response DoS
• SA26061: SurgeFTP Denial of Service and Script Insertion Vulnerability
• VUPEN/ADV-2007-2528: SurgeFTP Remote Denial of Service and Client-Side Cross Site Scripting Issues

Platforms Affected:

• NetWin SurgeFTP Server 2.3a1

Reported:

Jul 12, 2007

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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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