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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Ubuntu Local Security Checks >> USN197-1 : shorewall vulnerability Vulnerability Assessment Details
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USN197-1 : shorewall vulnerability |
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shorewall vulnerability Detailed Explanation for this Vulnerability Assessment Summary : The remote package "shorewall" is missing a security patch. Description : A firewall bypass vulnerability has been found in shorewall. If MACLIST_TTL was set to a value greater than 0 or MACLIST_DISPOSITION was set to "ACCEPT" in /etc/shorewall/shorewall.conf, and a client was positively identified through its MAC address, that client bypassed all other policies/rules in place. This could permit external computers to get access to ports that are intended to be restricted by the firewall policy. Please note that this does not affect the default configuration, which does not enable MAC based client identification. Solution : Upgrade to : - shorewall-2.0.13-1ubuntu0.1 (Ubuntu 5.04) Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: Ubuntu Security Notice (C) 2005 Canonical, Inc. / NASL script (C) 2005 Michel Arboi |
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