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Category:   Application (File Transfer/Sharing)  >   Samba Vendors:   Samba.org
Samba Grants Remote Authenticated Users Access to the Root Filesystem in Certain Cases
SecurityTracker Alert ID:  1021513
SecurityTracker URL:  http://securitytracker.com/id/1021513
CVE Reference:   CVE-2009-0022   (Links to External Site)
Date:  Jan 5 2009
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.2.0 - 3.2.6
Description:   A vulnerability was reported in Samba. A remote authenticated user can access certain files on the target system in certain cases.

When a remote authenticated user connects to a share with an empty name ("") via a version of smbclient prior to 3.0.28, the user can access the root filesystem. Systems with registry shares enabled ("registry shares = yes") and with the "include = registry" and "config backend = registry" settings enabled are affected [not the default configuration].

Gunter Hockel reported this vulnerability.

Impact:   A remote authenticated user can access files on the root filesystem ("/") with their own privileges.
Solution:   The vendor has issued a fix (3.2.7).

The vendor's advisory is available at:

http://samba.org/samba/security/CVE-2009-0022.html

Vendor URL:  samba.org/samba/security/CVE-2009-0022.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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