The audit information produced by the DBMS must be protected from unauthorized modification.

From Database Security Requirements Guide

Part of SRG-APP-000119-DB-000060

Associated with: CCI-000163

SV-42731r3_rule The audit information produced by the DBMS must be protected from unauthorized modification.

Vulnerability discussion

If audit data were to become compromised, then competent forensic analysis and discovery of the true source of potentially malicious system activity is impossible to achieve. To ensure the veracity of audit data the information system and/or the application must protect audit information from unauthorized modification. This requirement can be achieved through multiple methods that will depend upon system architecture and design. Some commonly employed methods include ensuring log files enjoy the proper file system permissions and limiting log data locations. Applications providing a user interface to audit data will leverage user permissions and roles identifying the user accessing the data and the corresponding rights that the user enjoys in order to make access decisions regarding the modification of audit data.Audit information includes all information (e.g., audit records, audit settings, and audit reports) needed to successfully audit information system activity. Modification of database audit data could mask the theft of, or the unauthorized modification of, sensitive data stored in the database.

Check content

Review locations of audit logs, both internal to the database and database audit logs located at the operating system level. Verify there are appropriate controls and permissions to protect the audit information from unauthorized modification. If appropriate controls and permissions do not exist, this is a finding.

Fix text

Apply controls and modify permissions to protect database audit log data from unauthorized modification, whether stored in the database itself or at the OS level.

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