AlienForm2 CGI directory traversal

alienform2-directory-traversal (9325) The risk level is classified as MediumMedium Risk


AlienForm2 could allow a remote attacker to traverse directories on the Web server. A remote attacker could send a specially-crafted URL request containing modified "dot dot" sequences (such as .|.%2F) to traverse directories and read and modify arbitrary files on the server.


File Manipulation


No remedy available as of September 1, 2014.


  • AlienForm2 Web site: AlienForm - a simple to use, fully configurable Form -> Email/Browser/File gateway! Jon's.
  • BugTraq Mailing List, Mon Jun 10 2002 - 16:18:53 CDT: AlienForm2 CGI script: arbitrary file read/write.
  • BID-4983: AlienForm2 Directory Traversal Vulnerability
  • CVE-2002-0934: Directory traversal vulnerability in Jon Hedley AlienForm2 (typically installed as af.cgi or alienform.cgi) allows remote attackers to read or modify arbitrary files via an illegal character in the middle of a .. (dot dot) sequence in the parameters (1) _browser_out or (2) _out_file.
  • OSVDB ID: 836: AlienForm2 alienform.cgi (af.cgi) Traversal Arbitrary File Manipulation

Platforms Affected:

  • Jon Hedley AlienForm2 1.5


Jun 10, 2002

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