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AUSCERT External Security Bulletin Redistribution
ESB-2013.0213
Security Advisories Relating to Symantec Products - Symantec
Encryption Desktop
15 February 2013
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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:
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&suid=20130213_00
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Security Advisories Relating to Symantec Products - Symantec Encryption Desktop
Local Access Elevation of Privilege
SYM13-001
February 13, 2013
Revisions
None
Severity
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
Overview
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
10.1.x
10.0.x
Symantec Encryption 10.3.0 8741 Symantec Encryption Desktop 10.3.0 maintenance pack 1
Desktop
Details
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.
Mitigations
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
Encryption.
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
users.
*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
patches.
*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
References
BID: Security Focus, http://www.securityfocus.com, has assigned Bugtraq ID
(BID) to these issues for inclusion in the Security Focus vulnerability
database.
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
Disclaimer
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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