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Category:   Application (Generic)  >   EMC NetWorker Vendors:   Lemmon, Scott R.
Legato NetWorker Configuration Error Lets Any NetWorker Server Backup or Restore a Host Running the NetWorker Client
SecurityTracker Alert ID:  1003184
SecurityTracker URL:  http://securitytracker.com/id/1003184
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Jan 10 2002
Impact:   Disclosure of system information, Disclosure of user information, Host/resource access via network, Modification of system information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): NetWorker release 5.x and later
Description:   A configuration vulnerability was reported in Legato's NetWorker. An empty 'servers' file gives any NetWorker server the permission to back up or restore a NetWorker client, even if the server is not authorized.

It is reported that during the installation of NetWorker client software, the installer must provide a list of authorized NetWorker server hostnames. If no hostnames are entered, an empty 'servers' file apparently created and then any NetWorker server can back up the client or perform a directed recover onto the client.

For the vendor's advisory, see:

http://portal2.legato.com/resources/bulletins/372.html

Impact:   Any NetWorker server can back up or restore a NetWorker client, even if the server is not authorized.
Solution:   The vendor recommends that NetWorker administrators ensure that a servers file exists on the client and contains the hostname of a valid NetWorker server. The vendor reports that subsequent releases will display a warning message if the administrator fails to provide a valid hostname for the NetWorker server during installation.
Vendor URL:  portal2.legato.com/products/networker/ (Links to External Site)
Cause:   Configuration error
Underlying OS:  Linux (Any), UNIX (Any), Windows (NT), Windows (2000), Windows (XP)

Message History:   None.


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