Title

The kernel core dump data directory must be owned by root. (Cat II impact)

Discussion

Kernel core dumps may contain the full contents of system memory at the time of the crash. As the system memory may contain sensitive information, it must be protected accordingly. If the kernel core dump data directory is not owned by root, the core dumps contained in the directory may be subject to unauthorized access.

Check Content

The root role is required. This check applies to the global zone only. Determine the zone that you are currently securing. # zonename If the command output is "global", this check applies. Determine the location of the system dump directory. # dumpadm | grep directory Check the ownership of the kernel core dump data directory. # ls -ld [savecore directory] If the kernel core dump data directory is not owned by root, this is a finding. In Solaris 11, /var/crash is linked to /var/share/crash.

Fix Text

The root role is required. This action applies to the global zone only. Determine the zone that you are currently securing. # zonename If the command output is "global", this action applies. Determine the location of the system dump directory. # dumpadm | grep directory Change the owner of the kernel core dump data directory to root. # chown root [savecore directory] In Solaris 11, /var/crash is linked to /var/share/crash.

Additional Identifiers

Rule ID: SV-216214r603268_rule

Vulnerability ID: V-216214

Group Title: SRG-OS-000480

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.