V-206403
Web Server Security Requirements Guide
Title
The web server must generate unique session identifiers with definable entropy.
Description
<VulnDiscussion>Generating a session identifier (ID) that is not easily guessed through brute force is essential to deter several types of session attacks. By knowing the session ID, an attacker can hijack a user session that has already been user authenticated by the hosted application. The attacker does not need to guess user identifiers and passwords or have a secure token since the user session has already been authenticated. Random and unique session IDs are the opposite of sequentially ge...
Fix Text (Documentation Requirement)
Configure the web server to generate random session IDs with minimum entropy equal to half the session ID length.