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Category:   Application (File Transfer/Sharing)  >   Samba Vendors:   Samba.org
Samba Web Administration Tool (SWAT) Input Validation Flaws Permit Cross-Site Request Forgery and Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1025852
SecurityTracker URL:  http://securitytracker.com/id/1025852
CVE Reference:   CVE-2011-2522, CVE-2011-2694   (Links to External Site)
Date:  Jul 27 2011
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.0.x - 3.5.9
Description:   Two vulnerabilities were reported in Samba in the Samba Web Administration Tool. A remote user can conduct cross-site request forgery attacks. A remote user can conduct cross-site scripting attacks.

The 'user' field of the 'Change Password' function in the Samba Web Administration Tool (SWAT) does not properly filter HTML code from user-supplied input before displaying the input [CVE-2011-2694]. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Samba SWAT software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

The Samba SWAT does not properly validate requests. A remote user can conduct cross-site request forgery attacks [CVE-2011-2522].

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Samba SWAT software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
Solution:   The vendor has issued a fix (3.5.10).

The vendor's advisories are available at:

http://www.samba.org/samba/security/CVE-2011-2522
http://www.samba.org/samba/security/CVE-2011-2694

Vendor URL:  www.samba.org/samba/history/samba-3.5.10.html (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 29 2011 (Red Hat Issues Fix) Samba Web Administration Tool (SWAT) Input Validation Flaws Permit Cross-Site Request Forgery and Cross-Site Scripting Attacks
Red Hat has issued a fix for Red Hat Enterprise Linux 4 and 5.
Aug 30 2011 (Red Hat Issues Fix) Samba Web Administration Tool (SWAT) Input Validation Flaws Permit Cross-Site Request Forgery and Cross-Site Scripting Attacks
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Aug 30 2011 (Red Hat Issues Fix) Samba Web Administration Tool (SWAT) Input Validation Flaws Permit Cross-Site Request Forgery and Cross-Site Scripting Attacks
Red Hat has issued a fix for Red Hat Enterprise Linux 6.
Sep 22 2011 (HP Issues Fix for HP NonStop Server) Samba Web Administration Tool (SWAT) Input Validation Flaws Permit Cross-Site Request Forgery and Cross-Site Scripting Attacks
HP has issued a fix for HP NonStop Server.
Apr 24 2012 (HP Issues Fix for HP-UX) Samba Web Administration Tool (SWAT) Input Validation Flaws Permit Cross-Site Request Forgery and Cross-Site Scripting Attacks
HP has issued a fix for HP-UX.



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