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  3. Microsoft Office XML Converter for Mac Local Privilege Escalation Vulnerability

Microsoft Office XML Converter for Mac Local Privilege Escalation Vulnerability

Risk

High

Date Discovered

June 8, 2010

Description

Microsoft Office XML Converter for Mac is prone to a local privilege-escalation vulnerability that affects filesystem Access Control Lists (ACLs). A local attacker can exploit this issue to execute arbitrary code with superuser privileges. Successful exploits may result in the complete compromise of affected computers.

Technologies Affected

  • Avaya Meeting Exchange - Client Registration Server
  • Avaya Meeting Exchange - Recording Server
  • Avaya Meeting Exchange - Streaming Server
  • Avaya Meeting Exchange - Web Conferencing Server
  • Avaya Meeting Exchange - Webportal
  • Avaya Messaging Application Server
  • Avaya Messaging Application Server 4
  • Avaya Messaging Application Server 5
  • Avaya Messaging Application Server MM 1.1
  • Avaya Messaging Application Server MM 2.0
  • Avaya Messaging Application Server MM 3.0
  • Avaya Messaging Application Server MM 3.1
  • Microsoft Open XML File Format Converter for Mac

Recommendations

Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.

To exploit this vulnerability, an attacker requires local access to an affected computer. Grant local access for trusted and accountable users only.

When possible, limit the privileges granted to users to the least amount required.

To reduce the impact of latent vulnerabilities, always perform nonadministrative tasks as an unprivileged user with minimal access rights.
The vendor has released an advisory and updates. Please see the references for details.

Credits

Rick Glaspie of Gilbert Public Schools in Gilbert, AZ
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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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