Ipswitch WS_FTP LE PASV command buffer overflow

wsftp-pasv-bo (29074) The risk level is classified as HighHigh Risk

Description:

WS_FTP LE is vulnerable to a buffer overflow, caused by improper bounds checking of responses to PASV commands. By sending a specially-crafted PASV response to an affected client, a remote authenticated attacker could overflow a buffer and cause the client to crash or execute arbitrary commands on the system.

Note: WS_FTP LE (Limited Edition) is no longer supported by Ipswitch, Inc. and has been replaced by WS_FTP Professional.

Platforms Affected:

  • Ipswitch, WS_FTP Server 5.08 LE

Remedy:

No remedy available as of August 30, 2008.

Consequences:

Gain Access

References:

  • Ipswitch, Inc. Web site, Ipswitch, Inc. - Products at http://www.ipswitch.com/products/index.asp.
  • BID-20121: Ipswitch WS_FTP PASV Response Remote Buffer Overflow Vulnerability
  • CVE-2006-4974: Buffer overflow in Ipswitch WS_FTP Limited Edition (LE) 5.08 allows remote FTP servers to execute arbitrary code via a long response to a PASV command.
  • OSVDB ID: 29125: WS_FTP LE PASV Response Overflow
  • SA22032: WS_FTP LE "PASV" Response Buffer Overflow Vulnerability

Reported:

Sep 20, 2006

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