CuteFTP FTP client LIST directory traversal

cuteftp-list-directory-traversal (42633) The risk level is classified as MediumMedium Risk

Description:

CuteFTP FTP client could allow a remote attacker to traverse directories on the system. By persuading a victim to download a directory containing a file with "dot dot" sequences using backslash characters (..\) in the filename via the LIST command, an attacker could traverse directories and write arbitrary files to the system.

Platforms Affected:

  • GlobalSCAPE, CuteFTP 8.2.0 Build 02.26.2008.4 Home
  • GlobalSCAPE, CuteFTP 8.2.0 Build 04.01.2008.1 Pro

Remedy:

No remedy available as of November 22, 2008.

Consequences:

Obtain Information

References:

  • GlobalSCAPE Web site, CuteFTP Home at http://www.cuteftp.com/cuteftp/.
  • vuln.sg Vulnerability Research Advisory 2008-05-26, CuteFTP FTP Client Directory Traversal Vulnerability at http://vuln.sg/cuteftp820-en.html.
  • CVE-2008-2779: Directory traversal vulnerability in GlobalSCAPE CuteFTP Home 8.2.0 Build 02.26.2008.4 and CuteFTP Pro 8.2.0 Build 04.01.2008.1 allows remote FTP servers to create or overwrite arbitrary files via ..\ (dot dot backslash) sequences in responses to LIST commands, a related issue to CVE-2002-1345. NOTE: this can be leveraged for code execution by writing to a Startup folder.
  • FrSIRT/ADV-2008-1653: CuteFTP Directory Download Remote Directory Traversal Vulnerability
  • SA29760: CuteFTP Directory Download Directory Traversal Vulnerability
  • SECTRACK ID: 1020113: CuteFTP Directory Traversal Bug Lets Remote Servers Write Files to Arbitrary Locations

Reported:

May 26, 2008

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