Serv-U FTP Server STOU denial of service

servu-stou-dos (17329) The risk level is classified as MediumMedium Risk

Description:

Serv-U FTP is vulnerable to a denial of service attack, caused by improper validation of arguments. A remote attacker could send a specially crafted STOU command containing a reserved DOS device name to cause the service to crash.


Consequences:

Denial of Service

Remedy:

No remedy available as of July 17, 2010.

References:

  • Serv-U Web site: Serv-U, The Industry's Most Popular FTP Server.
  • BID-11155: RhinoSoft Serv-U FTP Server Remote Denial Of Service Vulnerability
  • CVE-2004-1675: Serv-U FTP server 4.x and 5.x allows remote attackers to cause a denial of service (application crash) via a STORE UNIQUE (STOU) command with an MS-DOS device name argument such as (1) COM1, (2) LPT1, (3) PRN, or (4) AUX.
  • OSVDB ID: 9898: Serv-U FTP Server STOU Command MS-DOS Argument Remote DoS
  • SA12507: Serv-U FTP Server "STOU" Command Denial of Service Vulnerability

Platforms Affected:

  • Rhino Software Serv-U FTP Server 3.0
  • Rhino Software Serv-U FTP Server 3.1
  • Rhino Software Serv-U FTP Server 4.0.0.4
  • Rhino Software Serv-U FTP Server 4.1
  • Rhino Software Serv-U FTP Server 4.1.0.11
  • Rhino Software Serv-U FTP Server 4.2
  • Rhino Software Serv-U FTP Server 5.0.0.4
  • Rhino Software Serv-U FTP Server 5.0.0.6
  • Rhino Software Serv-U FTP Server 5.0.0.9
  • Rhino Software Serv-U FTP Server 5.1.0
  • Rhino Software Serv-U FTP Server 5.2.0

Reported:

Sep 13, 2004

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