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             AUSCERT External Security Bulletin Redistribution

                               ESB-2012.0568
      Symantec LiveUpdate Administrator 2.3 Insecure File Permissions
                               19 June 2012

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Symantec LiveUpdate Administrator
Publisher:         Symantec
Operating System:  Windows
Impact/Access:     Administrator Compromise -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-0304  

Original Bulletin: 
   http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2012&suid=20120615_00

Comment: Note: there is proof of concept code available for this vulnerability.
         There is also some reports that the update does not fully resolve the
         issue. Symantec engineers are currently investigating this and will
         provide a new update if necessary.

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Security Advisories Relating to Symantec Products - Symantec LiveUpdate
Administrator 2.3 Insecure File Permissions

SYM12-009

June 15, 2012

Revision History
 
None
 
Severity
Insecure File Permissions  Local Elevation of Privilege - Medium
 
CVSS2		Impact	Exploitability	CVSS2 Vector
Base Score
6.89		10	3.9		AV:L/AC:M/Au:N/C:C/I:C/A:C
 
 
Exploit Publicly Available:  Yes, Proof of Concept

Overview
Symantec LiveUpdate Administrator 2.3 and prior install some files with
insecure file permissions during a default installation. These files allow full
control permission to everyone which could result in arbitrary command
execution with elevated privileges on the system.

Affected Products
Product				Version		Solution
Symantec LiveUpdate
Administrator Windows version	2.3 and prior	Update to Symantec LiveUpdate
						Administrator Windows version
						2.3.1
 
Non-Affected Products
Product				Version	
Symantec Live Update		2.3.1		
Administrator

Details
Symantec was notified of insecure file permissions following a default
installation of Symantec LiveUpdate Administrator.  Permissions on the
installed files allow full control to 'Everyone'. An authorized but
non-privileged user or an unauthorized user with access to an account on the
local system hosting Symantec LiveUpdate Administrator could potentially
leverage these improper permissions to read arbitrary system files with
elevated privileges.  There is also a potential for the unauthorized local user
to successfully overwrite arbitrary files or create scripts that execute with
SYSTEM privileges. Successful exploitation could result in an unauthorized
local user executing arbitrary commands with privileged access on the system.
 

Symantec Response
Symantec engineers confirmed the issue and addressed it in Symantec LiveUpdate
Administrator 2.3.1. Symantec LiveUpdate Administrator 2.3.1 is available to
customers through normal support channels.  Symantec recommends customers who
have not yet upgraded to the latest release of Symantec LiveUpdate
Administrator do so as soon as possible.

NOTE:  There are public reports suggesting that Symantec LiveUpdate
Administrator 2.3.1 does NOT fully address all of the permissions issue. 
Symantec engineers are reviewing this currently and will release an update to
LiveUpdate Administrator 2.3.1 as needed.

Symantec is not aware of any adverse customer impact from this issue.
 
Best Practices
As part of normal best practices, Symantec strongly recommends:

* Restrict access to administration or management systems to privileged users.
* Disable remote access or restrict it to trusted/authorized systems 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
 
Credit
Symantec credits Tenable Network Security, http://www.tenable.com/ for
reporting this issue.

References
BID: Security Focus, http://www.securityfocus.com, has assigned a Bugtraq ID
(BID) 53903 to this issue for inclusion in the Security Focus vulnerability
database.

CVE: This issue is a candidate for inclusion in the CVE list
(http://cve.mitre.org), which standardizes names for security problems. The CVE
ID CVE-2012-0304 has been assigned to this issue.
 
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:
http://www.symantec.com/security/OIS_Guidelines%20for%20responsible%20disclosure.pdf

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.

Symantec Vulnerability Response Policy
http://www.symantec.com/security/Symantec-Product-Vulnerability-Response.pdf

Symantec Product Vulnerability Management PGP Key
http://www.symantec.com/security/Symantec-Vulnerability-Management-Key.asc

Copyright (c) 2012 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: June 15, 2012

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