Library files must have mode 0755 or less permissive.

From MAC OSX 10.6 Workstation Security Technical Implementation Guide

Associated with IA controls: DCSL-1

Associated with: CCI-001499

SV-37911r1_rule Library files must have mode 0755 or less permissive.

Vulnerability discussion

Unauthorized access could destroy the integrity of the library files.

Check content

Open a terminal session and enter the following command to verify the permissions on library and framework files, all on one line. find /System/Library/Frameworks /Library/Frameworks /usr/lib /usr/local/lib -type f -perm +022 -exec stat -f %Lp:%N {} \; If any of the library files have a mode more permissive than 0755, this is a finding.

Fix text

Open a terminal session and enter the following command to change the mode of library files to 0755 or less permissive. chmod 0755 NOTE: Library files should have an extension of ".a" or ".so", possibly followed by a version number. Frameworks are directories that may already contain files with more restrictive permissions than 755 and thus should not have their modes changed to 755 recursively.

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