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Information: Systems need to be registered with the Red Hat Subscription Manager (RHSM) to receive patch updates. This is usually configured during initial installation.
Verification procedure:
Verify the system is connected to the Red Hat Subscription Manager. If connected to RHSM, the systemID can be ret... | 2.1 |
Information: Systems need to have package manager repositories configured to ensure they receive the latest patches and updates.
Verification procedure:
Run the following command to verify repositories are configured correctly:
# dnf repolist
Result: WARNING
Actual Value: The command '/usr/bin/dnf... | 2.3 |
Information: Unconfined processes run in unconfined domains
Verification procedure:
Run the following command and verify not output is produced:
# ps -eZ | grep unconfined_service_t
Result: FAILED
Actual Value: The command returned :
51 receptor
13 supervisord
00 python3
06 awx-manage
08 aw... | 7.5 |
Information: The /etc/rsyslog.conf and /etc/rsyslog.d/*.conf files specifies rules for logging and which files are to be used to log certain classes of messages.
Verification procedure:
Review the contents of the /etc/rsyslog.conf and /etc/rsyslog.d/*.conf files to ensure appropriate logg... | 14.4 |
Information: Log files stored in /var/log/ contain logged information from many services on the system, or on log hosts others as well.
Verification procedure:
Run the following command and verify that other has no permissions on any files and group does not have write or execute permissions on any f... | 15.4 |
Information: The RPM package manager has a number of useful options. One of these, the -V for RPM option, can be used to verify that system packages are correctly installed. The -V option can be used to verify a particular package or to verify all system packages. If no output is returned, the package is installed corr... | 20.1 |
Information: The /etc/shadow file is used to store the information about user accounts that is critical to the security of those accounts, such as the hashed password and other security information.
Verification procedure:
Run the following command and verify verify Uid is 0/root, Gid is 0/root or <g... | 20.3 |
Information: The /etc/gshadow file is used to store the information about groups that is critical to the security of those accounts, such as the hashed password and other security information.
Verification procedure:
Run the following command and verify Uid is 0/root, Gid is 0/root or <gid>/shadow, a... | 20.5 |
Information: The /etc/shadow- file is used to store backup information about user accounts that is critical to the security of those accounts, such as the hashed password and other security information.
Verification procedure:
Run the following command and verify verify Uid is 0/root, Gid is 0/root o... | 20.7 |
Information: The /etc/gshadow- file is used to store backup information about groups that is critical to the security of those accounts, such as the hashed password and other security information.
Verification procedure:
Run the following command and verify verify Uid is 0/root, Gid is 0/root or <gid... | 20.9 |
Information: While the system administrator can establish secure permissions for users' home directories, the users can easily override these.
Verification procedure:
Run the following script and verify no results are returned:
#!/bin/bash
grep -E -v '^(halt|sync|shutdown)' /etc/passwd |... | 21.7 |
Information: Sometimes when administrators delete users from the password file they neglect to remove all files owned by those users from the system.
Verification procedure:
Run the following command and verify no files are returned:
# df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}... | 20.11 |
Information: Sometimes when administrators delete users or groups from the system they neglect to remove all files owned by those users or groups.
Verification procedure:
Run the following command and verify no files are returned:
# df --local -P | awk '{if (NR!=1) print $6}' | xargs -I '{}' f... | 20.12 |
Information: The owner of a file can set the file's permissions to run with the owner's or group's permissions, even if the user running the program is not the owner or a member of the group. The most common reason for a SUID program is to enable users to perform functions (such as changing their password) that require... | 20.13 |
Information: The owner of a file can set the file's permissions to run with the owner's or group's permissions, even if the user running the program is not the owner or a member of the group. The most common reason for a SGID program is to enable users to perform functions (such as changing their password) that require... | 20.14 |
Information: The system includes the capability of rotating log files regularly to avoid filling up the system with logs or making the logs unmanageably large. The file /etc/logrotate.d/syslog is the configuration file used to rotate log files created by syslog or rsyslog.
Verification procedure:
Rev... | 15.5 |
Information: The noexec mount option specifies that the filesystem cannot contain executable binaries.
Verification procedure:
Verify that the noexec option is set for the /tmp mount. Run the following command to verify that the noexec mount option is set.
Example:
# findmnt --kernel /tm... | 1.6 |
Information: The noexec mount option specifies that the filesystem cannot contain executable binaries.
Verification procedure:
Verify that the noexec option is set for the /var/tmp mount. Run the following command to verify that the noexec mount option is set.
Example:
# findmnt --kernel... | 1.11 |
Information: The noexec mount option specifies that the filesystem cannot contain executable binaries.
Verification procedure:
Verify that the noexec option is set for the /var mount. Run the following command to verify that the noexec mount option is set.
Example:
# findmnt --kernel /var | gr... | 1.24 |
Information: The operating system must be configured so that users must provide a password for privilege escalation.
Verification procedure:
Note: If passwords are not being used for authentication, this is not applicable. Verify the operating system requires users to supply a password for privilege... | 3.4 |
Information: Internet Protocol Version 6 (IPv6) is the most recent version of Internet Protocol (IP). It's designed to supply IP addressing and additional security to support the predicted growth of connected devices.
Verification procedure:
Run the following script to verify IPv6 status on the syste... | 11.4 |
Information: Monitor privileged programs (those that have the setuid and/or setgid bit set on execution) to determine if unprivileged users are running these commands.
Verification procedure:
Run the following command replacing <partition> with a list of partitions where programs can be executed from... | 13.14 |
Information: Monitor privileged programs (those that have the setuid and/or setgid bit set on execution) to determine if unprivileged users are running these commands.
Verification procedure:
Run the following command replacing <partition> with a list of partitions where programs can be executed from... | 13.14 |
Information: Monitor the use of system calls associated with the deletion or renaming of files and file attributes. This configuration statement sets up monitoring for:
- unlink - remove a file
- unlinkat - remove a file attribute
- rename - rename a file
- renameat renam... | 13.15 |
Information: Monitor the use of system calls associated with the deletion or renaming of files and file attributes. This configuration statement sets up monitoring for:
- unlink - remove a file
- unlinkat - remove a file attribute
- rename - rename a file
- renameat rename a file attribu... | 13.15 |
Information: The operating system must generate audit records for successful/unsuccessful uses of the chacl command
Verification procedure:
64 Bit systems
On disk configuration Run the following command to check the on disk rules:
# UID_MIN=$(awk '/^s*UID_MIN/{print $2}' /etc/logi... | 13.23 |
Information: The operating system must generate audit records for successful/unsuccessful uses of the chacl command
Verification procedure:
64 Bit systems
On disk configuration Run the following command to check the on disk rules:
# UID_MIN=$(awk '/^s*UID_MIN/{print $2}' /etc/logi... | 13.23 |
Information: The rsyslog utility supports the ability to send logs it gathers to a remote log host running syslogd(8) or to receive messages from remote hosts, reducing administrative overhead.
Verification procedure:
Review the /etc/rsyslog.conf and /etc/rsyslog.d/*.conf files and verify... | 14.3 |
Information: The pam_pwquality.so module checks the strength of passwords. It performs checks such as making sure a password is not a dictionary word, it is a certain length, contains a mix of characters (e.g. alphabet, numeric, other) and more. The following are definitions of the pam_pwquality.so options.
... | 18.1 |
Information: There are a number of accounts provided with most distributions that are used to manage applications and are not intended to provide an interactive shell.
Verification procedure:
Run the following commands and verify no results are returned:
awk -F: '($1!=""root"" && $1!="... | 19.6 |
Information: NOTE: Nessus has not identified that the chosen audit applies to the target device.
Result: WARNING
Actual Value:
Policy Value: WARNING
See Also: https://workbench.cisecurity.org/files/3148 | CIS_CentOS_6_v3.0.0_Server_L1.audit |
Information: NOTE: Nessus has not identified that the chosen audit applies to the target device.
Result: WARNING
Actual Value:
Policy Value: WARNING
See Also: https://workbench.cisecurity.org/files/3148 | CIS_CentOS_6_v3.0.0_Server_L2.audit |
Information: Systems need to be registered with the Red Hat Subscription Manager (RHSM) to receive patch updates. This is usually configured during initial installation.
Verification procedure:
Verify the system is connected to the Red Hat Subscription Manager. If connected to RHSM, the systemID can be ret... | 2.1 |
Information: Systems need to have package manager repositories configured to ensure they receive the latest patches and updates.
Verification procedure:
Run the following command to verify repositories are configured correctly:
# dnf repolist
Result: WARNING
Actual Value: The command '/usr/bin/dnf... | 2.3 |
Information: Unconfined processes run in unconfined domains
Verification procedure:
Run the following command and verify not output is produced:
# ps -eZ | grep unconfined_service_t
Result: FAILED
Actual Value: The command returned :
31 supervisord
00 python3
25 awx-manage
11 awx-manage
17 ... | 7.5 |
Information: The /etc/rsyslog.conf and /etc/rsyslog.d/*.conf files specifies rules for logging and which files are to be used to log certain classes of messages.
Verification procedure:
Review the contents of the /etc/rsyslog.conf and /etc/rsyslog.d/*.conf files to ensure appropriate logg... | 14.4 |
Information: Log files stored in /var/log/ contain logged information from many services on the system, or on log hosts others as well.
Verification procedure:
Run the following command and verify that other has no permissions on any files and group does not have write or execute permissions on any f... | 15.4 |
Information: The RPM package manager has a number of useful options. One of these, the -V for RPM option, can be used to verify that system packages are correctly installed. The -V option can be used to verify a particular package or to verify all system packages. If no output is returned, the package is installed corr... | 20.1 |
Information: The /etc/shadow file is used to store the information about user accounts that is critical to the security of those accounts, such as the hashed password and other security information.
Verification procedure:
Run the following command and verify verify Uid is 0/root, Gid is 0/root or <g... | 20.3 |
Information: The /etc/gshadow file is used to store the information about groups that is critical to the security of those accounts, such as the hashed password and other security information.
Verification procedure:
Run the following command and verify Uid is 0/root, Gid is 0/root or <gid>/shadow, a... | 20.5 |
Information: The /etc/shadow- file is used to store backup information about user accounts that is critical to the security of those accounts, such as the hashed password and other security information.
Verification procedure:
Run the following command and verify verify Uid is 0/root, Gid is 0/root o... | 20.7 |
Information: The /etc/gshadow- file is used to store backup information about groups that is critical to the security of those accounts, such as the hashed password and other security information.
Verification procedure:
Run the following command and verify verify Uid is 0/root, Gid is 0/root or <gid... | 20.9 |
Information: While the system administrator can establish secure permissions for users' home directories, the users can easily override these.
Verification procedure:
Run the following script and verify no results are returned:
#!/bin/bash
grep -E -v '^(halt|sync|shutdown)' /etc/passwd |... | 21.7 |
Information: Sometimes when administrators delete users from the password file they neglect to remove all files owned by those users from the system.
Verification procedure:
Run the following command and verify no files are returned:
# df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}... | 20.11 |
Information: Sometimes when administrators delete users or groups from the system they neglect to remove all files owned by those users or groups.
Verification procedure:
Run the following command and verify no files are returned:
# df --local -P | awk '{if (NR!=1) print $6}' | xargs -I '{}' f... | 20.12 |
Information: The owner of a file can set the file's permissions to run with the owner's or group's permissions, even if the user running the program is not the owner or a member of the group. The most common reason for a SUID program is to enable users to perform functions (such as changing their password) that require... | 20.13 |
Information: The owner of a file can set the file's permissions to run with the owner's or group's permissions, even if the user running the program is not the owner or a member of the group. The most common reason for a SGID program is to enable users to perform functions (such as changing their password) that require... | 20.14 |
Information: The system includes the capability of rotating log files regularly to avoid filling up the system with logs or making the logs unmanageably large. The file /etc/logrotate.d/syslog is the configuration file used to rotate log files created by syslog or rsyslog.
Verification procedure:
Rev... | 15.5 |
Information: The noexec mount option specifies that the filesystem cannot contain executable binaries.
Verification procedure:
Verify that the noexec option is set for the /tmp mount. Run the following command to verify that the noexec mount option is set.
Example:
# findmnt --kernel /tm... | 1.6 |
Information: The noexec mount option specifies that the filesystem cannot contain executable binaries.
Verification procedure:
Verify that the noexec option is set for the /var/tmp mount. Run the following command to verify that the noexec mount option is set.
Example:
# findmnt --kernel... | 1.11 |
Information: The noexec mount option specifies that the filesystem cannot contain executable binaries.
Verification procedure:
Verify that the noexec option is set for the /var mount. Run the following command to verify that the noexec mount option is set.
Example:
# findmnt --kernel /var | gr... | 1.24 |
Information: The operating system must be configured so that users must provide a password for privilege escalation.
Verification procedure:
Note: If passwords are not being used for authentication, this is not applicable. Verify the operating system requires users to supply a password for privilege... | 3.4 |
Information: Internet Protocol Version 6 (IPv6) is the most recent version of Internet Protocol (IP). It's designed to supply IP addressing and additional security to support the predicted growth of connected devices.
Verification procedure:
Run the following script to verify IPv6 status on the syste... | 11.4 |
Information: Monitor privileged programs (those that have the setuid and/or setgid bit set on execution) to determine if unprivileged users are running these commands.
Verification procedure:
Run the following command replacing <partition> with a list of partitions where programs can be executed from... | 13.14 |
Information: Monitor privileged programs (those that have the setuid and/or setgid bit set on execution) to determine if unprivileged users are running these commands.
Verification procedure:
Run the following command replacing <partition> with a list of partitions where programs can be executed from... | 13.14 |
Information: Monitor the use of system calls associated with the deletion or renaming of files and file attributes. This configuration statement sets up monitoring for:
- unlink - remove a file
- unlinkat - remove a file attribute
- rename - rename a file
- renameat renam... | 13.15 |
Information: Monitor the use of system calls associated with the deletion or renaming of files and file attributes. This configuration statement sets up monitoring for:
- unlink - remove a file
- unlinkat - remove a file attribute
- rename - rename a file
- renameat rename a file attribu... | 13.15 |
Information: The operating system must generate audit records for successful/unsuccessful uses of the chacl command
Verification procedure:
64 Bit systems
On disk configuration Run the following command to check the on disk rules:
# UID_MIN=$(awk '/^s*UID_MIN/{print $2}' /etc/logi... | 13.23 |
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