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Courier Mail Server < 0.50.1 Remote Denial Of Service Vulnerability Vulnerability Scan
Vulnerability Scan Summary
Checks version of Courier Mail Server
Detailed Explanation for this Vulnerability Test
The remote mail server is vulnerable to a denial of service attack.
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.
Upgrade to Courier version 0.50.1 or later.
Low / CVSS Base Score : 2
Click HERE for more information and discussions on this network vulnerability scan.