acFTP USER command denial of service

acftp-user-dos (26258) The risk level is classified as MediumMedium Risk


acFTP is vulnerable to a denial of service attack caused by a buffer overflow. By sending a specially-crafted USER command, a remote attacker could overflow a buffer and cause the server to crash.


Denial of Service


No remedy available as of September 1, 2014.


  • acFTP - FTP server fow Win32.
  • BID-17855: ACFTP FTP Server User Command Remote Denial of Service Vulnerability
  • CVE-2006-2242: acFTP 1.4 allows remote attackers to cause a denial of service (application crash) via a long string with { (brace) characters to the USER command.
  • OSVDB ID: 25278: acFTP USER Command Overflow DoS
  • SA19978: acFTP USER Command Denial of Service Vulnerability

Platforms Affected:

  • acFTP Project acFTP 1.4


May 04, 2006

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 the author/distributor (IBM Internet Security Systems X-Force) 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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