TITLE:
Symantec Firewall Products Internal IP Addresses Disclosure

SECUNIA ADVISORY ID:
SA20082

VERIFY ADVISORY:
http://secunia.com/advisories/20082/

CRITICAL:
Not critical

IMPACT:
Exposure of system information

WHERE:
>From remote

OPERATING SYSTEM:
Symantec Gateway Security 5000 Series 3.x
http://secunia.com/product/6648/
Symantec Gateway Security 5000 Series 2.x
http://secunia.com/product/9881/

SOFTWARE:
Symantec Enterprise Firewall (SEF) 8.x
http://secunia.com/product/3587/

DESCRIPTION:
A weakness has been reported in Symantec Firewall products, which can
be exploited by malicious people to disclose certain system
information.

The weakness is caused due to an error when generating responses to
certain HTTP requests. This can be exploited to cause the firewall to
reveal internal IP addresses that are normally hidden by the use of
Network Address Translation (NAT).

The weakness has been reported in the following products:
* Symantec Gateway Security 5000 Series	(versions 2.0.1 and 3.0).
* Symantec Enterprise Firewall	8.0.

SOLUTION:
Apply product updates.
http://www.symantec.com/techsupp/enterprise/select_product_updates.html

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Bernhard Mueller.

ORIGINAL ADVISORY:
Symantec:
http://securityresponse.symantec.com/avcenter/security/Content/2006.05.10.html

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