Dynu FTP Server "dot dot" directory traversal

dynuftp-dot-directory-traversal (7045) The risk level is classified as MediumMedium Risk

Description:

Dynu FTP Server could allow a remote attacker to traverse directories on the FTP server. A remote attacker can issue a CWD command followed by "dot dot" sequences (in the form CWD ..) to traverse directories and read arbitrary files outside of the FTP root directory.


Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of Dynu FTP Server (1.06 or later), available from the Dynu Systems, Inc. Web site. See References.

References:

Platforms Affected:

  • Dynu Systems Dynu FTP Server 1.05 and prior

Reported:

Aug 22, 2001

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