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LANDesk Security Bulletin – TFTP access through directory traversal on LANDesk PXE Representatives. *UPDATED 4/11/08*

VERSION 3  Click to view document history
Created on: Mar 31, 2008 5:20 PM by tanner - Last Modified:  Apr 11, 2008 11:24 AM by Watticus








  • Using directory traversal via TFTP it is possible to access files on the host through the PXE Representative TFTP folder. This allows anonymous TFTP users to download any file from the host machine by using directory traversal through the TFTPdownload folder.

  • The PXE TFTP Service is vulnerable to a classical directory traversal vulnerability exploitable through the adding of one or more characters before the usual dotdot pattern.







Affected Platforms







  • LDMS 8.7 SP5 and prior service packs with PXE Representatives deployed.

  • LDMS 8.8 with PXE Representatives deployed.


New Patch Downloads







  • For LDMS 8.7 SP5 download which is attached to this document.  (NOTE: You must have 8.7 SP5 installed)

  • For LDMS 8.8 download which is attached to this document.


NOTE:  These patches include the code for the previous OSD-7374XX patches that addresses bullet point 1 in the Description section as well as code to address bullet point 2.  In any case where OSD-7374XX has already been applied to the core, the above patches should be applied to include the new fix.

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