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TITLE:
Ingate Firewall and SIParator DNS Cache Poisoning

SECUNIA ADVISORY ID:
SA31840

VERIFY ADVISORY:
http://secunia.com/advisories/31840/

CRITICAL:
Moderately critical

IMPACT:
Spoofing

WHERE:
>From remote

OPERATING SYSTEM:
Ingate Firewall 4.x
http://secunia.com/advisories/product/4050/
Ingate SIParator 4.x
http://secunia.com/advisories/product/5687/

DESCRIPTION:
Ingate has acknowledged a security issue in Ingate Firewall and
SIParator, which can potentially be exploited by malicious people to
poison the DNS cache.

The security issue is caused due to Ingate Firewall and SIParator not
sufficiently randomising query port numbers when using NAT, which can
potentially be exploited to poison the DNS cache.

The security issue is reported in Ingate Firewall and SIParator
versions prior to 4.6.4.

SOLUTION:
Update to version 4.6.4.

PROVIDED AND/OR DISCOVERED BY:
Dan Kaminsky, IOActive

ORIGINAL ADVISORY:
http://www.ingate.com/relnote-464.php

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