Web Server 4D/eCommerce long URL denial of service

ws4d-long-url-dos (7879) The risk level is classified as MediumMedium Risk


Web Server 4D/eCommerce is vulnerable to a denial of service attack caused by a buffer overflow. By sending a URL request to the server appended with a character string containing 2500 bytes or more, a remote attacker can overflow a buffer and cause the server to crash. The server must be restarted to regain normal functionality.


Denial of Service


No remedy available as of September 1, 2014.


  • BugTraq Mailing List, Mon Jan 14 2002 - 16:35:59 CST: Web Server 4D/eCommerce 3.5.3 DoS Vulnerability.
  • MDG Web site: Web Server 4D 3.5.3.
  • BID-3874: MDG Computer Services Web Server 4D/eCommerce DoS Vulnerability
  • CVE-2002-0123: MDG Computer Services Web Server 4D WS4D/eCommerce 3.0 and earlier, and possibly 3.5.3, allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long HTTP request.
  • OSVDB ID: 5370: MDG Computer Services Web Server 4D (WS4D)/eCommerce HTTP Request Overflow DoS

Platforms Affected:

  • MDG Web Server 4D/eCommerce 3.5.3


Jan 14, 2002

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