Duplicate group names must not exist.

From Solaris 11 X86 Security Technical Implementation Guide

Associated with: CCI-000366

SV-60941r2_rule Duplicate group names must not exist.

Vulnerability discussion

If a group is assigned a duplicate group name, it will create and have access to files with the first GID for that group in group. Effectively, the GID is shared, which is a security risk.

Check content

The root role is required. Check for duplicate group names. # getent group | cut -f1 -d":" | sort -n | uniq -c |\ while read x ; do [ -z "${x}" ] && break if [ ${x} -gt 1 ]; then gids=`getent group |\ nawk -F: '($1 == n) { print $3 }' n=${y} | xargs` echo "Duplicate Group Name (${y}): ${gids}" fi done If output is produced, this is a finding.

Fix text

The root role is required. Correct or justify any items discovered in the Check step. Determine if there are any duplicate group names, and work with their respective owners to determine the best course of action in accordance with site policy. Delete or change the group name of duplicate groups.

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