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Assessment Title
Rule Text
Files in the $CATALINA_BASE/conf/ folder must have their permissions set to 640.
Description
Discussion Text
Tomcat file permissions must be restricted. The standard configuration is to have all Tomcat files owned by root with group Tomcat. While root has read/write privileges, group only has read permissions, and world has no permissions. The exceptions are the logs, temp, and work directories that are owned by the Tomcat user group tomcat rather than root user group tomcat. This means that even if an attacker compromises the Tomcat process, they cannot change the Tomcat configuration, deploy new web applications, or modify existing web applications. The Tomcat process runs with a umask of 0027 to maintain these permissions.
If the ISSM determines the operational need to allow application admins access to change the Tomcat configuration outweighs the risk of limiting that access, then they can change the group membership to accommodate. Ownership must not be changed. The ISSM should take the exposure of the system to high risk networks into account.
Satisfies: SRG-APP-000119-AS-000079, SRG-APP-000380-AS-000088
If the ISSM determines the operational need to allow application admins access to change the Tomcat configuration outweighs the risk of limiting that access, then they can change the group membership to accommodate. Ownership must not be changed. The ISSM should take the exposure of the system to high risk networks into account.
Satisfies: SRG-APP-000119-AS-000079, SRG-APP-000380-AS-000088
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