eEye Digital Security eEye Digital Security
  • Login to the eEye Business Client Portal
  • Shop for eEye Products
  • Read the eEye Blog
  • Subscribe to eEye RSS Feeds
  • Follow eEye on Twitter
  • Follow eEye of Facebook
Resources

Research > Zero-Day Tracker > 20110121

Opera Browser "select" Element Children Integer Truncation Vulnerability

Date Disclosed:
1/21/2011

Date Patched:
1.27.2011

Vendor:
Opera Software

Affected Software:
Opera 11.00 and older

Description:
Opera contains a vulnerability in opera.dll when handling a HTML "select" element with an excessive number of children; this may be triggered by a maliciously crafted webpage. Successful exploitation could allow remote arbitrary code execution.

Severity:
High

Code Execution:
Yes

Impact:
Arbitrary code execution under the current user's context
This client-side vulnerability could allow an attacker to gain the ability to execute remote arbitrary code with the same permissions as the user that is currently logged in. If the user is an administrator, the attacker could install malicious software and further compromise the system.

Mitigation:
Upgrade Opera to version 11.01 or newer.

Protection:

  • eEye's Retina® Network Security Scanner scans devices to detect for this vulnerability. 
    • Retina Audit 14050 - Opera Browser Multiple Vulnerabilities (20110127) - Windows
    • Retina Audit 14051 - Opera Browser Multiple Vulnerabilities (20110127) - Windows x64
    • Retina Audit 14052 - Opera Browser Multiple Vulnerabilities (20110127) - Mac OS X
    • Retina Audit 14053 - Opera Browser Multiple Vulnerabilities (20110127) - UNIX/Linux

Links:

Status:

  • 1.21.2011 - Public Information Released
  • 1.27.2011 - Vendor Patch Released

Copyright ©1998-2011 eEye Digital Security
Permission is hereby granted for the redistribution of this alert electronically. It is not to be edited in any way without express consent of eEye. If you wish to reprint the whole or any part of this alert in any other medium excluding electronic medium, please email alert@eEye.com for permission.

Disclaimer
The information within this paper may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are no warranties, implied or express, with regard to this information. In no event shall the author be liable for any direct or indirect damages whatsoever arising out of or in connection with the use or spread of this information. Any use of this information is at the user's own risk.

Next Steps

Free Trial
Test drive an eEye product
On-demand Demo
See an online product tour
One-on-one Demo
Schedule a personalized tour
Compare Products
See side-by-side features
Buy Now
Go to eEye product store
Contact | Site Map | Privacy | Website Feedback | 1.866.339.3732
© 1998 – 2012 eEye Digital Security. All rights reserved.