Audio devices must not have extended ACLs.

From HP-UX 11.31 Security Technical Implementation Guide

Part of GEN002330

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-38354r1_rule Audio devices must not have extended ACLs.

Vulnerability discussion

File system ACLs can provide access to files beyond what is allowed by the mode numbers of the files.

Check content

Check the permissions of audio devices. Determine audio devices and class identifiers, i.e., audio should be listed as audio. # ioscan Determine audio/video device special files. # ioscan -fn -C Determine the device file mode. # ls -lL If the permissions include a "+" the file has an extended ACL, this is a finding.

Fix text

Remove the optional ACL from the file. # chacl -z [device file]

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