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             AUSCERT External Security Bulletin Redistribution

       Security Advisories Relating to Symantec Products - Symantec
                            Encryption Desktop
                             15 February 2013


        AusCERT Security Bulletin Summary

Product:           Symantec PGP Desktop
                   Symantec Encryption Desktop
Publisher:         Symantec
Operating System:  Windows
Impact/Access:     Denial of Service   -- Existing Account
                   Unauthorised Access -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-4352 CVE-2012-4351 

Original Bulletin: 

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Security Advisories Relating to Symantec Products - Symantec Encryption Desktop
Local Access Elevation of Privilege


February 13, 2013




CVSS2		Impact		Exploitability	CVSS2 Vector
Base Score
PGP Desktop pgpwded.sys driver local access integer overflow - Medium

6.6		10		2.7		AV:L/AC:M/Au:S/C:C/I:C/A:C

PGP Desktop pgpwded.sys driver local access buffer overflow - Medium

4.1		6.43		2.7		AV:L/AC:M/AU:S/C:P/I:P/A:P


Symantec's PGP Desktop and Encryption Desktop system kernel driver is 
susceptible to a local access integer overflow on all versions of Microsoft 
Windows operating systems.  The driver is also susceptible to a local buffer
overflow only on Microsoft Windows XP and Windows Server 2003 operating 
systems. If successfully targeted these local vulnerabilities could potentially
allow arbitrary code to run with privileged access.

Product(s) Affected

Product			Version		Build		Solution

Symantec PGP Desktop	10.2.x		All		Symantec Encryption Desktop 10.3.0 maintenance pack 1
Symantec Encryption 	10.3.0		8741		Symantec Encryption Desktop 10.3.0 maintenance pack 1

Symantec is aware of the public release of multiple vulnerabilities impacting
Symantec PGP Desktop and Symantec Encryption Desktop.  The encryption kernel 
driver, pgpwded.sys is susceptible to an integer overflow in the handling of
specifically malformed input that affects all Microsoft Windows operating 
systems.  Specifically on Windows XP and Windows Sever 2003, the kernel driver 
is also susceptible to an additional buffer overflow.  Both issues require 
local access to a system for any attempts to target these issues.  Successfully
targeting these issues could potentially result in arbitrary code running with
elevated privileges.  

Symantec Response

Symantec engineers have verified the issues and released an update addressing 
them. Symantec recommends customers update to Symantec Encryption Desktop 
10.3.0 maintenance pack 1 or later.


The Pre-boot Authentication in PGP Desktop and Symantec Drive Encryption 
prevents the start-up level of access required for a successfully targeting of
these issues.  Customers running these encryption products should be utilizing
the full protection provided by PGP Whole Disk Encryption or Symantec Drive 

Update information

Customers may obtain Symantec Desktop Encryption maintenance update through 
their normal Symantec support locations.

Best Practices

As part of normal best practices, Symantec strongly recommends:

    *Restrict access to administration or management systems to privileged 
    *Disable remote access if not required or restrict it to trusted/authorized
     systems only.
    *Where possible, limit exposure of application and web interfaces to 
     trusted/internal networks only.
    *Keep all operating systems and applications updated with the latest vendor
    *Follow a multi-layered approach to security. Run both firewall and 
     anti-malware applications, at a minimum, to provide multiple points of 
     detection and protection to both inbound and outbound threats.
    *Deploy network and host-based intrusion detection systems to monitor 
     network traffic for signs of anomalous or suspicious activity. This may 
     aid in detection of attacks or malicious activity related to exploitation 
     of latent vulnerabilities


BID: Security Focus, http://www.securityfocus.com, has assigned Bugtraq ID 
(BID) to these issues for inclusion in the Security Focus vulnerability 

CVE: These issues are candidates for inclusion in the CVE list 
(http://cve.mitre.org), which standardizes names for security problems.

CVE		BID		Description

CVE-2012-4351	BID 57170	PGP Desktop kernel driver integer overflow

CVE-2012-4352	BID 57835	PGP Desktop kernel driver buffer overflow

Symantec takes the security and proper functionality of our products very 
seriously. As founding members of the Organization for Internet Safety 
(OISafety), Symantec supports and follows responsible disclosure guidelines.
Please contact secure@symantec.com if you feel you have discovered a security
issue in a Symantec product. A member of the Symantec Product Security team
will contact you regarding your submission to coordinate any required
response. Symantec strongly recommends using encrypted email for reporting
vulnerability information to secure@symantec.com. The Symantec Product 
Security PGP key can be found at the location below.

Symantec has developed a Product Vulnerability Response document outlining
the process we follow in addressing suspected vulnerabilities in our products.
This document is available below.

Copyright (c) 2013 by Symantec Corp.

Permission to redistribute this alert electronically is granted as long as it 
is not edited in any way unless authorized by Symantec Product Security. 
Reprinting the whole or part of this alert in any medium other than 
electronically requires permission from secure@symantec.com


The information in the advisory is believed to be accurate at the time of 
publishing based on currently available information. Use of the information
constitutes acceptance for use in an AS IS condition. There are no warranties
with regard to this information. Neither the author nor the publisher accepts
any liability for any direct, indirect, or consequential loss or damage arising
from use of, or reliance on, this information.
Symantec, Symantec products, Symantec Product Security, and secure@symantec.com
are registered trademarks of Symantec Corp. and/or affiliated companies in the 
United States and other countries. All other registered and unregistered 
trademarks represented in this document are the sole property of their 
respective companies/owners.

* Signature names may have been updated to comply with an updated IPS Signature
naming convention. 
See http://www.symantec.com/business/support/index?page=content&id=TECH152794&key=54619&actp=LIST 
for more information.

Last modified on: February 13, 2013

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