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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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Popularity:
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35,320 views
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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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Secunia CVSS-2 Score:
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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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.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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