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Opera Browser Skin File Handling Vulnerabilities
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Secunia Advisory:
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SA10277
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Release Date:
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2003-11-22
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Last Update:
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2003-11-23
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Popularity:
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17,493 views
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Critical:
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Highly critical
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Impact:
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System access
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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 7.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 identified in the Opera browser, which potentially can be exploited by malicious people to compromise a user's system.
1) A boundary error in the zip processing when handling skin files can be exploited to cause a buffer overflow. This may allow execution of arbitrary code on a user's system, if the user is tricked into visiting a malicious website.
This issue affects both Linux and Windows systems.
2) An input validation error when handling skin files can be exploited to place a malicious file in an arbitrary directory on a user's system. This can be done via a directory traversal attack where the URL encoded representation of backslashes is used ("%5C").
Example:
http://[malicious_server]/..%5c..%5c..%5c..%5cskin.zip
Successful exploitation requires that the user is tricked into visiting a malicious website. Only Windows platforms are affected by this issue.
Both vulnerabilities affect version 7.22 and prior.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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