How to handle OpenSSH 4.x connection slot exhaustion Denial of Service vulnerability (CVE-2008-4109) ?

Solution Verified - Updated -

Issue

  • A vulnerability in OpenSSH 4.x allows remote attackers to create a Denial of Service state by flooding a system with login attempts. CVE-2008-4109

Environment

  • Red Hat Enterprise Linux (RHEL) 4

  • Red Hat Enterprise Linux (RHEL) 5

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