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Opera Mail Client Attachment Spoofing and Script Insertion
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Secunia Advisory:
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SA16645
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Release Date:
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2005-09-20
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Last Update:
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2005-09-27
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Critical:
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Moderately critical
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Impact:
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Cross Site Scripting
Spoofing
Unknown
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Opera 8.x
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| | CVE reference: | CVE-2005-3006 (Secunia mirror)
CVE-2005-3007 (Secunia mirror)
CVE-2005-3059 (Secunia mirror)
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Description:
Secunia Research has discovered two vulnerabilities in the Opera Mail client, which can be exploited by a malicious person to conduct script insertion attacks and to spoof the name of attached files.
1. Attached files are opened without any warnings directly from the user's cache directory. This can be exploited to execute arbitrary JavaScript in context of "file://".
2. Normally, filename extensions are determined by the "Content-Type" in Opera Mail. However, by appending an additional '.' to the end of a filename, an HTML file could be spoofed to be e.g. "image.jpg.".
The two vulnerabilities combined may be exploited to conduct script insertion attacks if the user chooses to view an attachment named e.g. "image.jpg." e.g. resulting in disclosure of local files.
The vulnerabilities have been confirmed in Opera version 8.02, prior versions may also be vulnerable.
NOTE: Some other security issues with unknown impacts have also been reported by the vendor.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, using the Network Software Inspector.
Solution:
Update to version 8.50.
http://www.opera.com/download/
Provided and/or discovered by:
Jakob Balle, Secunia Research.
Changelog:
2005-09-23: Added CVE references.
2005-09-27: Added CVE reference. Added note from vendor in "Description" section.
Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2005-42/
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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