Vulnerability Note VU#986843

WS-FTP Server vulnerable to buffer overflow via long string sent as argument to ftp command

Original Release date: 06 Nov 2001 | Last revised: 06 Nov 2001


A remotely exploitable buffer overflow exists in the IPSWITCH WS_FTP Server.


Defcom Labs has discovered a remotely exploitable buffer overflow vulnerability in the IPSWITCH WS_FTP Server (on all platforms) that allows intruders to execute arbitrary code with the privileges of the process running the ftp server, typically SYSTEM. This buffer overflow exists in all versions of WS_FTP Server prior to 2.04. The buffer overflow occurs in the section of code that handles stat command parsing.


Remote intruders can execute arbitrary code on the target host with SYSTEM privileges.


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Systems Affected (Learn More)

VendorStatusDate NotifiedDate Updated
IPSWITCHAffected08 Aug 200106 Nov 2001
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CVSS Metrics (Learn More)

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A N/A



This vulnerability was discovered by Defcom Labs.

This document was written by Ian A. Finlay.

Other Information

  • CVE IDs: Unknown
  • Date Public: 05 Nov 2001
  • Date First Published: 06 Nov 2001
  • Date Last Updated: 06 Nov 2001
  • Severity Metric: 22.44
  • Document Revision: 14


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