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Check: GEN005350

SUSE Linux Enterprise Server v11 for System z STIG: GEN005350 (in versions v1 r12 through v1 r9)

Title

Management Information Base (MIB) files must not have extended ACLs. (Cat II impact)

Discussion

The ability to read the MIB file could impart special knowledge to an intruder or malicious user about the ability to extract compromising information about the system or network.

Check Content

Check the file permissions for the MIB files. # find / -name *mib* -o -name *MIB* | xargs ls -lL If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding.

Fix Text

Remove the extended ACL from the file. # setfacl --remove-all <mib file>

Additional Identifiers

Rule ID: SV-45964r1_rule

Vulnerability ID: V-22450

Group Title: GEN005350

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000225	The organization employs the concept of least privilege, allowing only authorized accesses for users (and processes acting on behalf of users) which are necessary to accomplish assigned tasks in accordance with organizational missions and business functions.

Controls

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

Number	Title
AC-6	Least Privilege