SurgeFTP Content-Length denial of service

surgeftp-contentlength-dos (40843)

Medium Risk

Description:

SurgeFTP is vulnerable to a denial of service, caused by a NULL pointer dereference error during the parsing of HTTP headers. By sending an overly large Content-Length HTTP header to TCP port 7021, a remote attacker could exploit this vulnerability to crash the server.

*CVSS:

Base Score:	5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	4
Exploitability:	Unproven
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Denial of Service

Remedy:

No remedy available as of July 9, 2011.

References:

• Luigi Auriemma Advisories, 25 Feb 2008: SurgeFTP.
• SurgeFTP Web site: SurgeFTP -- Unix/Windows Ftp Server Software.
• BID-27993: SurgeFTP 'Content-Length' Parameter NULL Pointer Denial Of Service Vulnerability
• CVE-2008-1052: The administration web interface in NetWin SurgeFTP 2.3a2 and earlier allows remote attackers to cause a denial of service (daemon crash) via a large integer in the Content-Length HTTP header, which triggers a NULL pointer dereference when memory allocation fails.
• SA29096: SurgeFTP "Content-Length" Denial of Service Vulnerability

Platforms Affected:

• NetWin SurgeFTP Server 2.3a1

Reported:

Feb 25, 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.

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