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Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVE-2008-2702

Severity High
Score 9.3/10

Summary

Directory traversal vulnerability in the FTP client in ALTools ESTsoft ALFTP 4.1 beta 2 and 5.0 allows remote FTP servers to create or overwrite arbitrary files via a .. (dot dot) in a response to a LIST command, a related issue to CVE-2002-1345. NOTE: this can be leveraged for code execution by writing to a Startup folder.

  • MEDIUM
  • NETWORK
  • NONE
  • COMPLETE
  • COMPLETE
  • COMPLETE

CWE-22 - Path Traversal

Path traversal (or directory traversal), is a vulnerability that allows malicious users to traverse the server's root directory, gaining access to arbitrary files and folders such as application code & data, back-end credentials, and sensitive operating system files. In the worst-case scenario, an attacker could potentially execute arbitrary files on the server, resulting in a denial of service attack. Such an exploit may severely impact the integrity, confidentiality, and availability of an application.

References

Advisory Timeline

  • Published