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EnterpriseDB Postgres Advanced Server (EPAS) Security Technical Implementation Guide
SRG-APP-000442-DB-000379
The EDB Postgres Advanced Server must maintain the confidentiality and integrity of information during reception.
The EDB Postgres Advanced Server must maintain the confidentiality and integrity of information during reception.
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The EDB Postgres Advanced Server must maintain the confidentiality and integrity of information during reception.
Medium Severity
<VulnDiscussion>Information can be either unintentionally or maliciously disclosed or modified during reception, including, for example, during aggregation, at protocol transformation points, and during packing/unpacking. These unauthorized disclosures or modifications compromise the confidentiality or integrity of the information. This requirement applies only to those applications that are either distributed or can allow access to data nonlocally. Use of this requirement will be limited to situations where the data owner has a strict requirement for ensuring data integrity and confidentiality is maintained at every step of the data transfer and handling process. When receiving data, the DBMS, associated applications, and infrastructure must leverage protection mechanisms. EDB Postgres Advanced Server provides native support for using SSL connections to encrypt client/server communications. To enable the use of SSL, the postgres "ssl" configuration parameter must be set to "on", and the database instance needs to be configured to use a valid server certificate and private key installed on the server. With SSL enabled, connections made to the database server will default to being encrypted. However, it is possible for clients to override the default and attempt to establish an unencrypted connection. To prevent connections made from nonlocal hosts from being unencrypted, the postgres host-based authentication settings should be configured to only allow hostssl (i.e., encrypted) connections. The hostssl connections can be further configured to require that the client present a valid (trusted) SSL certificate for a connection.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>