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Symantec Various Firewall Products DNS Proxy Cache Poisoning Vulnerability

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Release Date:  2004-06-18    Last Update:  2005-03-10    Views:  18,603

Secunia Advisory SA11888

Where:

From remote

Impact:

Spoofing, Manipulation of data

Solution Status:

Vendor Patch

CVE Reference(s):

Description


fryxar has discovered a vulnerability in various Symantec firewall products, which can be exploited by malicious people to poison the DNS cache.

When acting as a caching DNS server, the integrated DNS proxy (DNSd) trusts any answer received from a DNS server without checking that it actually corresponds to a query or is valid. This can be exploited to insert fake information in the DNS cache, which can be used to direct users to malicious web sites or just prevent them from accessing certain web sites.

The vulnerability affects the following products:
* Symantec Gateway Security 5400 Series, v2.0
* Symantec Gateway Security 5300 Series, v1.0
* Symantec Enterprise Firewall, v7.0.x (Windows and Solaris)
* Symantec Enterprise Firewall v8.0 (Windows and Solaris)
* Symantec VelociRaptor, Model 1100/1200/1300
* Symantec VelociRaptor, Model 500/700/1000


Solution:
Apply appropriate hotfixes.

Further details available to Secunia VIM customers

Provided and/or discovered by:
fryxar

Original Advisory:
Symantec:
http://www.sarc.com/avcenter/security/Content/2004.06.21.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Symantec Various Firewall Products DNS Proxy Cache Poisoning Vulnerability

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