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V-239488

CAT II (Medium)

The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using removexattr.

Rule ID

SV-239488r661915_rule

STIG

VMware vRealize Operations Manager 6.x SLES Security Technical Implementation Guide

Version

V2R2

CCIs

CCI-000172

Discussion

Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one. Audit records can be generated from various components within the information system (e.g., module or policy filter).

Check Content

To determine if SLES for vRealize is configured to audit calls to the "removexattr" system call, run the following command: 

# auditctl -l | grep syscall | grep removexattr

If SLES for vRealize is configured to audit this activity, it will return several lines, such as:

LIST_RULES: exit,always arch=3221225534 (0xc000003e) syscall=lchown,sethostname,init_module,delete_module,setxattr,lsetxattr,fsetxattr,removexattr,lremovexattr,fremovexattr,clock_settime

If no lines are returned, this is a finding.

Fix Text

At a minimum, the SLES for vRealize audit system should collect file permission changes for all users and "root". Add the following to "/etc/audit/audit.rules": 

-a always,exit -F arch=b64 -S removexattr

Or run the following command to implement all logging requirements:

# /etc/dodscript.sh