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Category:   Application (Generic)  >   BackupExec Vendors:   Symantec
Symantec BackupExec Bugs Let Local Users Gain Elevated Privileges and Remote Users Execute Arbitrary Code, Obtain Sensitive Information, and Conduct Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1028871
SecurityTracker URL:  http://securitytracker.com/id/1028871
CVE Reference:   CVE-2013-4575, CVE-2013-4676, CVE-2013-4677, CVE-2013-4678   (Links to External Site)
Date:  Aug 2 2013
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2010 R3, 2012
Description:   Several vulnerabilities were reported in Symantec BackupExec. A remote user can execute arbitrary code on the target system. A local user can obtain elevated privileges on the target system. A remote user can conduct cross-site scripting attacks. A remote user can obtain potentially sensitive information.

A remote user on the adjacent network can send specially crafted data to trigger a heap overflow in the Linux agent and execute arbitrary code on the target system [CVE-2013-4575].

The management console (Beutility) does not properly filter HTML code from user-supplied input before displaying the input [CVE-2013-4676]. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the BackupExec management console interface 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 system stores backup and restore data files with weak access control permissions that allow a local user to gain read and write access [CVE-2013-4677].

A remote authenticated user on the adjacent network can exploit a flaw in the NMDP protocol implementation to obtain version number information [CVE-2013-4678].

Perran Hill, Shaun Jones, Edward Torkington, Daniele Costa, and Andy Davis with NCC Group reported these vulnerabilities.

Impact:   A remote user can execute arbitrary code on the target system.

A local user can obtain elevated privileges on the target system.

A remote user can access the target user's cookies (including authentication cookies), if any, associated with the web interface, 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.

A remote user can obtain potentially sensitive information.

Solution:   The vendor has issued a fix (2010 R3 SP3, 2012 SP2).

The vendor's advisory is available at:

http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20130801_00

Vendor URL:  www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20130801_00 (Links to External Site)
Cause:   Access control error, Boundary error, Input validation error
Underlying OS:  Linux (Any), Windows (2000), Windows (2003), Windows (2008)

Message History:   None.


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