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FirePass URL Restriction Bypass Vulnerabilities
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Secunia Advisory:
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SA23640
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Release Date:
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2007-01-11
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Popularity:
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9,055 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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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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| OS: | FirePass 5.x
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Description:
Michael Ligh and Greg Sinclair have reported some vulnerabilities in FirePass, which can be exploited by malicious users and malicious people to bypass certain security restrictions.
1) An error exists in the host access restrictions, which can be exploited to access restricted hosts by converting the destination IP address to a decimal-encoded format and sending the resulting URL via the FirePass URL encoding mechanism.
Successful exploitation requires valid authentication.
The vulnerability is reported in versions 5.4 through 5.5.1.
2) It is possible to bypass filters and access restricted URLs by using capital letters in the domain.
The vulnerability is reported in versions 5.4 through 5.5.2.
Solution:
Hotfixes are reportedly available via the technical support or via the vendor's download page.
Provided and/or discovered by:
Michael Ligh and Greg Sinclair
Original Advisory:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-January/051651.html
F5:
https://tech.f5.com/home/solutions/sol6916.html
https://tech.f5.com/home/solutions/sol6922.html
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About this Secunia Advisory
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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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