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Highly critical

Opera Multiple Vulnerabilities

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Release Date:  2008-10-21    Last Update:  2008-10-24    Views:  9,646

Secunia Advisory SA32299

Where:

From remote

Impact:

Security Bypass, Cross Site Scripting, Exposure of sensitive information, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in Opera, which can be exploited by malicious people to conduct script insertion attacks, to bypass certain security restrictions, disclose potentially sensitive information, or potentially to compromise a vulnerable system.

1) Certain parts of the URL of visited pages are not properly sanitised by the "History Search" functionality before being used. This can be exploited to inject arbitrary HTML and script code, which is executed in a user's browser session when the malicious data is being viewed.

Successful exploitation allows e.g. the disclosure of previously visited pages or changing Opera's preferences, which can further be exploited to execute arbitrary commands.

2) An error in the implementation of the "Fast Forward" feature can be exploited to execute arbitrary script code in the context of a restricted frame via a specially crafted JavaScript URL.

3) An error exists while blocking scripts during a news feed preview. This can be exploited to disclose the content of subscribed news feeds or to subscribe the user to an arbitrary news feed.

The vulnerabilities are reported in versions prior to 9.61.


Solution:
Update to version 9.61.

Further details available to Secunia VIM customers

Provided and/or discovered by:
The vendor credits:
1) Roberto Suggi Liverani of Security-Assessment.com
2, 3) David Bloom

Original Advisory:
Opera:
http://www.opera.com/support/search/view/903/
http://www.opera.com/support/search/view/904/
http://www.opera.com/support/search/view/905/

Security-Assessment.com:
http://www.security-assessment.com/files/advisories/2008-10-22_Opera_Stored_Cross_Site_Scripting.pdf

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Opera Multiple Vulnerabilities

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