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SYM07-009,Symantec Storage Foundation for Windows Volume Manager: Authentication Bypass and Potential Code Execution in Scheduler Service
From: secure () symantec com
Date: 4 Jun 2007 16:00:28 -0000

Symantec Security Advisory

http://www.symantec.com/avcenter/security/Content/2007.06.01.html

SYM07-009

1 June, 2007
Symantec Storage Foundation for Windows Volume Manager:  Authentication Bypass and Potential Code Execution in 
Scheduler Service

Revision History
None 

Severity
Medium 


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


Overview
An authentication bypass, remote code execution vulnerability has been identified and resolved in the Symantec 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)
Symantec Storage Foundation
for Windows     5.0                     http://support.veritas.com/docs/288627


Product(s) Not Affected
Product Version
Symantec Storage Foundation for Windows 3.1
Symantec Storage Foundation for Windows 4.1, 4.1RP1
Symantec Storage Foundation for Windows 4.2, 4.2RP1, 4.2RP2

Details
3Com’s Zero Day Initiative, notified Symantec of an authentication bypass and arbitrary code execution vulnerability 
discovered in the Symantec Storage Foundation for Windows Scheduler Service, VxSchedService.exe.  The Scheduler Service 
server, initially introduced in Symantec Storage Foundation for Windows v5.0, listens for incoming scheduling messages 
from client systems.  An attacker with network access who could successfully connect directly to the Scheduler Service 
socket could bypass the built-in authentication in the management console.  By properly manipulating this vector, the 
attacker has the potential to possibly add arbitrary commands to the registry that could be executed during normal 
scheduled runs.
This vulnerability, if successfully exploited, would most likely be initiated by a malicious user authenticated on the 
local network since the affected service port should not normally be available to other than authorized network 
systems.  Any potentially successful attack by a non-authorized remote attacker would most likely be a scenario of 
enticing an authorized user to run or allow to run malicious code that might successfully exploit this issue.

Symantec Response
Symantec takes the security of our products and our customers very seriously. Symantec engineers have verified and 
corrected this issue in Symantec’s Storage Foundation for Windows 5.0. 

Updates are available for supported products. 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://support.veritas.com/docs/288627
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

CVE
The Common Vulnerabilities and Exposures (CVE) initiative has assigned CVE Candidate CVE-2007-2279 to this issue.
. 
This issue is a candidate for inclusion in the CVE list (http://cve.mitre.org), which standardizes names for security 
problems. 

Credit:
Symantec would like to thank 3Com/ZDI for reporting this issue and for providing full coordination while Symantec 
resolved it.


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