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SYM008-008
March 10, 2008
Symantec Altiris Deployment Server Escalation of Privileges

Revision History
None

Severity
Medium

Remote AccessNo
Local AccessYes
Authentication RequiredYes
Exploit publicly availableNo

Overview
An escalation of privilege vulnerability in the Symantec Altiris Deployment Solution Agent (AClient.exe) has been resolved.

Affected Product(s)
ProductVersionBuildSolution(s)
Altiris Deployment Solution 6.8.xAll6.9.164

Details
The Symantec Altiris Deployment Server Agents are susceptible to privilege escalation vulnerability, commonly known as a shatter attack, which can lead to unauthorized privileged access. This attack is limited to users with login access to systems running the Symantec Altiris Deployment Solution Agent (AClient.exe).

Symantec Response
Symantec engineers have verified and resolved this vulnerability. The following steps are required for remediation of this security issue:

  • Goto http://www.altiris.com/download.aspx
  • Enter your email address.
  • Select "Deployment Solution for Clients 6.9" from the drop-down box
  • Click "Submit"
  • Accept the "End User License Agreement"
  • Click on "Deployment Solution for Clients 6.9" to download a zip file containing the Deployment Solution update.
  • Unzip the update package and double-click on Altiris_DeploymentSolutionWin_6_9.exe.
  • Follow the installation instructions

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

References
SecurityFocus, http://www.securityfocus.com, has assigned a Bugtraq ID(BID) to this issue for inclusion in the SecurityFocus vulnerability data base. The BID assigned is 28110 which can be found at http://www.securityfocus.com/bid/28110.

Credit
Symantec would like to thank Brett Moore of Insomnia Security for reporting this issue and for providing full coordination while Symantec resolved it.


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 the principles of responsible disclosure. Symantec also subscribes to the vulnerability disclosure guidelines outlined by the National Infrastructure Advisory Council (NIAC).

Please contact secure@symantec.com if you feel you have discovered a security issue in a Symantec product. A Symantec Product Security team member will contact you regarding your submission. 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 end of this message.

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-Product-Vulnerability-Response Symantec Vulnerability Response Policy Symantec Product Vulnerability Management PGP Key Symantec Product Vulnerability Management PGP Key


Copyright (c) 2009 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.

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Last modified on: Monday, 10-Mar-08 17:32:49