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Netscape Three Vulnerabilities
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Secunia Advisory:
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SA14206
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Release Date:
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2005-02-09
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Last Update:
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2005-05-20
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Popularity:
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11,512 views
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Critical:
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Less critical
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Impact:
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Security Bypass
Cross Site Scripting
Manipulation of data
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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: | Netscape 7.x
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Subscribe:
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| CVE reference: | CVE-2005-0230
CVE-2005-0231
CVE-2005-0232
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Description:
mikx has discovered three vulnerabilities in Netscape, which can be exploited by malicious people to plant malware on a user's system, conduct cross-site scripting attacks and bypass certain security restrictions.
1) Netscape validates an image against the "Content-Type" HTTP header, but uses the file extension from the URL when saving an image after a drag and drop event. This can e.g. be exploited to plant a valid image with an arbitrary file extension and embedded script code (e.g. .bat file) on the desktop by tricking a user into performing a certain drag and drop event.
2) Missing URI handler validation when dragging a "javascript:" URL to another tab can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an arbitrary site by tricking a user into dragging a malicious link to another tab.
3) An error in the restriction of URI handlers loaded via plugins can be exploited to link to certain restricted URIs (e.g. about:config).
This can further be exploited to trick a user into changing some sensitive configuration settings.
The vulnerabilities have been confirmed in version 7.2. Other versions may also be affected.
Solution:
Update to version 8.0.1.
http://browser.netscape.com/ns8/download/default.jsp
Provided and/or discovered by:
Originally discovered by:
mikx
Reported in Netscape by:
Juha-Matti Laurio
Changelog:
2005-05-20: New version released. Updated "Solution" section.
Original Advisory:
1) http://www.mikx.de/index.php?p=8
2) http://www.mikx.de/index.php?p=9
3) http://www.mikx.de/index.php?p=10
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