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ZyXEL ZyWALL / ZyNOS Cross-Site Request Forgery
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Secunia Advisory:
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SA26381
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Release Date:
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2007-08-15
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Popularity:
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3,800 views
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Critical:
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Less critical
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Impact:
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Cross Site Scripting
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Where:
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From remote
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Solution Status:
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Unpatched
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| OS: | ZyXEL ZyNOS 3.x
ZyXEL ZyWALL Series
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| CVE reference: | CVE-2007-4316
CVE-2007-4317
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Description:
Henri Lindberg has reported a vulnerability in ZyXEL ZyWALL / ZyNOS, which can be exploited by malicious people to conduct cross-site request forgery attacks.
The application allows users to perform certain actions via HTTP requests without performing any validity checks to verify the request. This can be exploited to perform certain actions when a logged in administrator is tricked into visiting a malicious website.
NOTE: Reportedly, this can further be exploited to conduct script insertion attacks.
The vulnerabilities are reported in Zyxell ZyWALL 2 and in ZyNOS firmware version V3.62(WK.6). Other versions may also be affected.
Solution:
Do not browser untrusted sites while being logged in to the administrative section of the device.
Provided and/or discovered by:
Henri Lindberg of Louhi Networks.
Original Advisory:
http://www.louhi.fi/advisory/zyxel_070810.txt
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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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