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Category:   Application (Security)  >   SSH Tectia Server Vendors:   SSH Communications
SSH Tectia Server Discloses Host Key to Local Users and Remote Authenticated Users
SecurityTracker Alert ID:  1014343
SecurityTracker URL:  http://securitytracker.com/id/1014343
CVE Reference:   CVE-2005-2146   (Links to External Site)
Updated:  Jul 7 2005
Original Entry Date:  Jun 30 2005
Impact:   Disclosure of authentication information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 4.3.1 and prior versions
Description:   A vulnerability was reported in SSH Tectia Server, affecting Windows-based systems. A local user or remote authenticated user can obtain the host key.

The SSH Tectia Server running on Windows does not set proper file permissions on the host identification key. A local user or a remote authenticated user can access the host identification key (i.e., the Secure Shell host key) without having the required administrative privileges. The user can copy this key and then install the key on a malicious server to masquerade as the original server.

Impact:   A local user or remote authenticated user can obtain the host key and use this key to masquerade as the target server.
Solution:   The vendor has issued a fixed version (4.3.2), available at:

http://www.ssh.com/support/downloads/tectia-server/updates-and-packages-4-3.html

See the vendor's advisory for some important additional information:

http://www.ssh.com/company/newsroom/article/653/

Vendor URL:  www.ssh.com/company/newsroom/article/653/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.


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