HTTP Host Header Vulnerability in SmoothWall Firewall and NetworkGuardian
CVE-2009-0803

Currently unrated

Key Information:

Vendor: Smoothwall
Status: Networkguardian; Smoothguardian; Schoolguardian
Vendor: CVE Published:; 4 March 2009

What is CVE-2009-0803?

The vulnerability in SmoothWall SmoothGuardian affects systems when running in transparent interception mode. This design flaw allows remote attackers to manipulate HTTP Host headers, creating a bypass for access controls. By crafting a malicious web page, an attacker can exploit this weakness, leading to potential unauthorized communication with restricted intranet sites through technologies such as Flash, Java, and Silverlight.

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