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XCCDF
Database Security Requirements Guide
SRG-APP-000220
The DBMS must invalidate session identifiers upon user logout or other session termination.
The DBMS must invalidate session identifiers upon user logout or other session termination.
An XCCDF Rule
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The DBMS must invalidate session identifiers upon user logout or other session termination.
Medium Severity
<VulnDiscussion>Captured sessions can be reused in "replay" attacks. This requirement limits the ability of adversaries to capture and continue to employ previously valid session IDs. This requirement focuses on communications protection for the DBMS session rather than for the network packet. The intent of this control is to establish grounds for confidence at each end of a communications session in the ongoing identity of the other party and in the validity of the information being transmitted. Session IDs are tokens generated by DBMSs to uniquely identify a user's (or process's) session. DBMSs will make access decisions and execute logic based on the session ID. Unique session IDs help to reduce predictability of said identifiers. Unique session IDs address man-in-the-middle attacks, including session hijacking or insertion of false information into a session. If the attacker is unable to identify or guess the session information related to pending application traffic, they will have more difficulty in hijacking the session or otherwise manipulating valid sessions. When a user logs out, or when any other session termination event occurs, the DBMS must terminate the user session(s) to minimize the potential for sessions to be hijacked.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>