Serv-U MDTM buffer overflow

servu-mdtm-bo (15323) The risk level is classified as HighHigh Risk

Description:

FTP Serv-U is vulnerable to a buffer overflow. An authenticated remote attacker could issue a malformed MDTM command to the server to overflow a buffer and execute arbitrary code on the server with SYSTEM privileges.


Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Serv-U (5.0.0.4 or later), available from the Serv-U Web site. See References.

References:

  • BugTraq Mailing List, Thu Feb 26 2004 - 09:13:00 CST: Serv-U MDTM Command Buffer Overflow Vulnerability.
  • Serv-U Web site: Serv-U, The Industry's Most Popular FTP Server.
  • BID-9751: RhinoSoft Serv-U FTP Server MDTM Command Time Argument Buffer Overflow Vulnerability
  • CVE-2004-0330: Buffer overflow in Serv-U ftp before 5.0.0.4 allows remote authenticated users to execute arbitrary code via a long time zone argument to the MDTM command.
  • OSVDB ID: 4073: Serv-U FTP Server MDTM Command Time Zone Argument Overflow

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

Reported:

Feb 26, 2004

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