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TITLE:
Finjan SurfinGate URL Encoded URL Filtering Bypass

SECUNIA ADVISORY ID:
SA15711

VERIFY ADVISORY:
http://secunia.com/advisories/15711/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
Finjan SurfinGate 7.x
http://secunia.com/product/1060/

DESCRIPTION:
Daniel Schroeter has reported a vulnerability in Finjan SurfinGate,
which can be exploited by malicious people to bypass certain security
restrictions.

The vulnerability is caused due an error where URL encoded filenames
are not properly blocked. This can be exploited to bypass the
blocking of certain file types via a specially crafted request.

NOTE: Successful exploitation requires that the malicious file is not
blocked based on the "Content-Type" HTTP header.

The vulnerability has been reported in version 7.0SP2 and SP3. Other
versions may also be affected.

SOLUTION:
If required, apply other URL filtering mechanisms.

PROVIDED AND/OR DISCOVERED BY:
Daniel Schroeter

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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