SYM08-015_SFW_SecurityUpdateBypass

From: Mike Prosser <mprosser@symantec.com>
To: bugtraq@securityfocus.com
Cc: Secure <secure@symantec.com>
Subject: SYM08-015_SFW_SecurityUpdateBypass
Date:

Attachments:
SYM08-015_ SFW_SecurityUpdateBypass.txt


The attached is  a signed version of the security advisory for Symantec Storage Foundation for Windows 5.x that was released today.  If we can get the signature to verify, please post to bugtraq 

Regards
 <<SYM08-015_ SFW_SecurityUpdateBypass.txt>> 
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Symantec Product Security/Vulnerability Management Team
Symantec takes the security of our products seriously as a responsible
disclosure company.  You can view our response policies at
http://www.symantec.com/security.
We will work directly with anyone who believes they have found a security
issue in a Symantec product to validate the problem and coordinate any 
response deemed necessary. 
 
Please contact secure@symantec.com concerning security issues with Symantec
products.

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Symantec Security Advisory

SYM08-015

14 Aug, 2008

Veritas Storage Foundation for Windows Volume Manager Scheduler Service for
Windows Security Update Circumvention 

Revision History
None 

Severity
Medium 

Remote Access Yes, network access required
Local Access No
Authentication Required No
Exploit publicly available No

Overview
It is possible to circumvent the security patch that resolved a previously
identified authentication bypass, remote code execution 
vulnerability in the Veritas Storage Foundation for Windows v5.0 Volume
Manager Scheduler Service.    Successful exploitation 
could result in potential compromise of the targeted system.

Product(s) Affected 
Product      Version Solution(s)
Veritas Storage Foundation for Windows 5.0, 5.0 RP1a, 5.1 
http://entsupport.symantec.com/docs/306386

Note:  Only those versions identified above are affected by this issue.

Details
3Com Zero Day Initiative, notified Symantec of a vector that can allow a
malicious user to circumvent the security update for an 
authentication bypass vulnerability previously reported in the Veritas
Storage Foundation for Windows Scheduler Service,
http://www.symantec.com/avcenter/security/Content/2007.06.01.html.  
The Scheduler Service server, introduced in Veritas Storage Foundation for
Windows v5.0, listens for incoming scheduling messages
from client systems.  An attacker with network access who could connect
directly to the Scheduler Service socket could bypass the
security update to the previously reported issue.  By properly manipulating
this vector, the attacker has the potential to add 
arbitrary commands to the registry that, if properly constructed, would be
executed on the targeted system during normal scheduled runs.

Symantec Response
Symantec engineers have verified and resolved this issue in the Veritas
Storage Foundation for Windows versions and builds identified above. 

Symantec recommends customers apply the latest product update available for
their supported product versions to enhance their security 
posture and protect against potential security threats of this nature.

Symantec knows of no exploitation of or adverse customer impact from this
issue.


The patches listed above for affected product/version are available from
the following location:
http://entsupport.symantec.com/docs/306386

Best Practices
As part of normal best practices, Symantec strongly recommends: 
* Restrict access to administration or management systems to privileged
users.
* Restrict remote access, if required, to trusted/authorized systems only.
* Run under the principle of least privilege where possible to limit the
impact of exploit by threats. 
* 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 would like to thank Tenable Security working through 3Com ZDI for
reporting this issue and for providing coordination 
while Symantec resolved it.

References:
SecurityFocus, http://www.securityfocus.com, has assigned a Bugtraq ID
(BID), 30596 to this issue for inclusion in the SecurityFocus 
vulnerability data base. The BID can be found at
http://www.securityfocus.com/bid/30596 

This issue is a candidate for inclusion in the CVE list
(http://cve.mitre.org), which standardizes names for security problems. 
A CVE Candidate name has be requested from the Common Vulnerabilities and
Exposures (CVE) initiative for this issue. 
This advisory will be revised accordingly upon receipt of the CVE Candidate
name.
- ----------------------------------------------
Copyright (c) 2008 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 
Security Response. 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 Security Response, 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




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