Serv-U FTP Server MKD command directory traversal

servuftp-mkd-dir-traversal (49258) The risk level is classified as MediumMedium Risk

Description:

Serv-U FTP Server could allow a remote attacker to traverse directories on the system. A remote authenticated attacker could send a specially-crafted MKD request containing "dot dot" sequences (\..\) to create arbitrary directories on the system.

*CVSS:

Base Score: 6.4
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 6.1
  Exploitability: High
  Remediation Level: Unavailable
  Report Confidence: Uncorroborated

Consequences:

Obtain Information

Remedy:

No remedy available as of September 1, 2014.

References:

  • Serv-U FTP Server Web site: Serv-U FTP Server.
  • BID-34125: RhinoSoft Serv-U FTP Server 'MKD' Command Directory Traversal Vulnerability
  • CVE-2009-1031: Directory traversal vulnerability in the FTP server in Rhino Software Serv-U File Server 7.0.0.1 through 7.4.0.1 allows remote attackers to create arbitrary directories via a \.. (backslash dot dot) in an MKD request.
  • OSVDB ID: 52773: Serv-U FTP Server MKD Command Handling Traversal Arbitrary Directory Creation
  • SA34329: Serv-U "MKD" Directory Traversal Vulnerability

Platforms Affected:

  • Rhino Software Serv-U File Server 7.4.0.1

Reported:

Mar 16, 2009

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