Request Tracker (RT) 'Email::Address::List' Remote Denial of Service Vulnerability

Summary
This host is installed with Request Tracker (RT) and is prone to remote denial of service vulnerability.
Impact
Successful exploitation will allow attacker to consume CPU resource resulting in denial of service. Impact Level: System/Application
Solution
Upgrade to version 4.2.5 or higher, For updates refer to http://bestpractical.com/rt
Insight
An algorithmic complexity flaw is in Perl CPAN Email::Address::List that is triggered when handling a specially crafted string without an address.
Affected
Request Tracker (RT) version 4.2.0 through 4.2.2
Detection
Get the installed version with the help of detect NVT and check the version is vulnerable or not.
References