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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 >> SMTP problems >> Courier Mail Server < 0.50.1 Remote Denial Of Service Vulnerability Vulnerability Assessment Details
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Courier Mail Server < 0.50.1 Remote Denial Of Service Vulnerability |
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Checks version of Courier Mail Server Detailed Explanation for this Vulnerability Assessment Summary : The remote mail server is vulnerable to a denial of service attack. Description : The remote host is running Courier Mail Server, an open-source mail server for Linux and Unix. According to its banner, the installed version of Courier is prone to a remote denial of service vulnerability triggered when doing Sender Policy Framework (SPF) data lookups. To exploit this flaw, an attacker would need to control a DNS server and return malicious SPF records in response to queries from the affected application. Solution : Upgrade to Courier version 0.50.1 or later. Network Security Threat Level: Low / CVSS Base Score : 2 (AV:R/AC:H/Au:NR/C:N/A:P/I:N/B:N) Networks Security ID: 14135 Vulnerability Assessment Copyright: This script is Copyright (C) 2005-2006 Tenable Network Security |
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