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Opera Download Dialog Spoofing and "setRequestHeader()" Vulnerabilities
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Secunia Advisory:
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SA15870
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Release Date:
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2005-07-28
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Last Update:
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2005-09-30
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Critical:
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Moderately critical
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Impact:
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Cross Site Scripting
Spoofing
Exposure of sensitive information
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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-2005-2405 (Secunia mirror)
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Description:
Two vulnerabilities have been discovered and reported in Opera, which can be exploited by malicious people to conduct cross-site scripting attacks, disclose sensitive information, and trick users into executing malicious files.
1) The vulnerability is caused due to an error in the handling of extended ASCII codes in the download dialog. This can be exploited to spoof the file extension in the file download dialog via a specially crafted "Content-Disposition" HTTP header.
Successful exploitation may result in users being tricked into executing a malicious file via the download dialog, but requires that the "Arial Unicode MS" font (ARIALUNI.TTF) has been installed on the system.
NOTE: The "Arial Unicode MS" font is installed with various Microsoft Office distributions.
The vulnerability has been confirmed in version 8.01. Other versions may also be affected.
2) An unspecified input validation error where newlines passed to the "setRequestHeader()" function is not properly sanitised, can be exploited to conduct cross-site scripting attacks and disclose user credentials.
This may be related to:
SA16942
The vulnerability has been reported in versions prior to 8.0.2.
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 8.02.
http://www.opera.com/download/
Provided and/or discovered by:
1) Andreas Sandblad, Secunia Research.
2) The vendor credits Yutaka OIWA.
Changelog:
2005-08-04: Added link to original advisory.
2005-08-05: Added CVE reference.
2005-09-30: Added information about the "setRequestHeader()" vulnerability.
Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2005-25/advisory/
Other References:
SA16942:
http://secunia.com/advisories/16942/
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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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