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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 >> Debian Local Security Checks >> [DSA784] DSA-784-1 courier Vulnerability Assessment Details
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[DSA784] DSA-784-1 courier |
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DSA-784-1 courier Detailed Explanation for this Vulnerability Assessment A problem has been discovered in the Courier Mail Server. DNS failures were not handled properly when looking up Sender Policy Framework (SPF) records, which could permit attackers to cause memory corruption. The default configuration on Debian has SPF checking disabled, so most machines are not vulnerable. This is explained in the "courier" manpage, section SENDER POLICY FRAMEWORK KEYWORDS. The old stable distribution (woody) is not affected by this problem. For the stable distribution (sarge) this problem has been fixed in version 0.47-4sarge1. For the unstable distribution (sid) this problem has been fixed in version 0.47-6. We recommend that you upgrade your courier-mta package. Solution : http://www.debian.org/security/2005/dsa-784 Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: This script is (C) 2007 Michel Arboi |
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