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Category:   Application (Multimedia)  >   Helix Universal Server Vendors:   RealNetworks
Helix Server Multiple Bugs Let Remote Users Execute Arbitrary Code, Deny Service, and Conduct Cross-Site Scripting Attacks and Let Local Users Obtain Passwords
SecurityTracker Alert ID:  1026898
SecurityTracker URL:  http://securitytracker.com/id/1026898
CVE Reference:   CVE-2012-0942, CVE-2012-1923, CVE-2012-1984, CVE-2012-1985, CVE-2012-2267, CVE-2012-2268   (Links to External Site)
Updated:  Apr 17 2012
Original Entry Date:  Apr 9 2012
Impact:   Denial of service via network, Disclosure of authentication 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): 14.x
Description:   Several vulnerabilities were reported in Helix Server. A remote user can execute arbitrary code on the target system. A remote user can cause denial of service conditions. A remote user can conduct cross-site scripting attacks. A local user can obtain passwords.

A remote user can send specially crafted authentication credentials to trigger a buffer overflow and execute arbitrary code on the target system [CVE-2012-0942].

A local user can obtain passwords stored in the '\Program Files\Real\Helix Server\adm_b_db\users\' file [CVE-2012-1923].

A remote user can a send specially crafted DisplayString request to the SNMP master agent process on TCP port 705 to cause the target service to terminate [CVE-2012-2268].

A remote user can establish and then immediately close a connection to the SNMP master agent process on TCP port 705 to cause the service to terminate [CVE-2012-2267].

Several scripts do not properly filter HTML code from user-supplied input before displaying the input. A remote user can cause arbitrary scripting code to be executed by the target user's browser [CVE-2012-1984]. The code will originate from the site running the Helix Server 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.

A remote authenticated administrative user can submit a specially crafted URL to consume excessive stack memory and cause the target service to crash [CVE-2012-1985].

Dmitriy Pletnev of Secunia Research, Derek Brown of TippingPoint's Zero Day Initiative, and Tom Gallagher at Microsoft and Microsoft Vulnerability Research (MSVR) reported these vulnerabilities.

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

A remote user can cause denial of service conditions.

A local user can obtain passwords.

A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Helix Server 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 (14.3.x).

The vendor's advisory is available at:

http://helixproducts.real.com/docs/security/SecurityUpdate04022012HS.pdf

Vendor URL:  helixproducts.real.com/docs/security/SecurityUpdate04022012HS.pdf (Links to External Site)
Cause:   Access control error, Boundary error, Input validation error, Resource error, State error
Underlying OS:  Linux (Red Hat Enterprise), UNIX (Solaris - SunOS), Windows (2003), Windows (2008)

Message History:   None.


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