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Opera Download Dialog File Execution Security Issue

Opera Download Dialog File Execution Security Issue
Posted Aug 13, 2010
Authored by Jakob Balle, Sven Krewitt | Site secunia.com

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. Versions 10.53, 10.54, and 10.60 are affected.

tags | advisory
advisories | CVE-2010-2576
SHA-256 | 6d6d66e9a32fff988d108b6aacf6aafbb0e751bab35b122c3740cd1095ab2b33

Opera Download Dialog File Execution Security Issue

Change Mirror Download
====================================================================== 

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

======================================================================
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.

======================================================================
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/

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