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TITLE:
NuFW Time Based Filtering Rules Security Bypass

SECUNIA ADVISORY ID:
SA26546

VERIFY ADVISORY:
http://secunia.com/advisories/26546/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

REVISION:
1.1 originally posted 2007-08-21

SOFTWARE:
NuFW 2.x
http://secunia.com/product/15380/

DESCRIPTION:
A security issue has been reported in NuFW, which can be exploited by
malicious people to bypass certain security restrictions.

The security issue is caused due to NuFW not correctly dropping
packets with an out of period arrival time, which can be exploited to
bypass the filtering rules.

The security issue is reported in versions 2.2.x up to but not
including 2.2.4.

SOLUTION:
Update to version 2.2.4.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

CHANGELOG:
2007-08-21: Added more information about affected versions in
"Description" section.

ORIGINAL ADVISORY:
http://www.nufw.org/+NuFW-2-2-4,201+.html

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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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