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Secunia Research: Opera "Download" Dialog File Execution Security Issue
From: Secunia Research <remove-vuln () secunia com>
Date: Thu, 12 Aug 2010 15:15:13 +0200

====================================================================== 

                     Secunia Research 12/08/2010

      - Opera "Download" Dialog File Execution Security Issue -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

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1) Affected Software 

Opera 10.53, 10.54, and 10.60.

NOTE: Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Moderately critical
Impact: System access
Where:  From remote

====================================================================== 
3) Vendor's Description of Software 

"Take control of the Web like never before - Opera has you flying 
through Web pages with never-before-seen speed and surfing smartly 
with advanced features that make it easy to get the most from the 
Web.".

Product Link:
http://www.opera.com/

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a security issue in Opera, which can 
be exploited by malicious people to compromise a vulnerable system.

The "Download" dialog provides the option to run a downloadable 
executable at a predictable location in the browser window. This can 
be exploited to trick a user into clicking on the "Run" button by 
positioning a new window on top of the "Download" dialog that is 
closed e.g. via a timeout shortly before the user clicks on a link 
within this window.

This is related to:
SA15781

====================================================================== 
5) Solution 

Update to version 10.61.

====================================================================== 
6) Time Table 

15/07/2010 - Vendor notified.
15/07/2010 - Vendor response.
12/08/2010 - Public disclosure.

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7) Credits 

Discovered by Jakob Balle and Sven Krewitt, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2010-2576 for the vulnerability.

SA15781:
http://secunia.com/advisories/15781/

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9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://corporate.secunia.com/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://corporate.secunia.com/secunia_research/33/

Secunia regularly hires new skilled team members. Check the URL below to
see currently vacant positions:

http://secunia.com/secunia_vacancies/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/secunia_security_advisories/ 

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2010-110/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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