{"description": "Do not allow users to reuse recent passwords. This can be\naccomplished by using the <tt>remember</tt> option for the\n<tt>pam_pwhistory</tt> PAM modules.\n<br /><br />\nIn the file <tt>/etc/pam.d/common-password</tt>, make sure the parameters\n<tt>remember</tt> and <tt>use_authtok</tt> are present, and that the value\nfor the <tt>remember</tt> parameter is <sub idref=\"var_password_pam_remember\" /> or greater. For example:\n<pre>password requisite pam_pwhistory.so <i>...existing_options...</i> remember=<sub idref=\"var_password_pam_remember\" /> use_authtok</pre>\nThe profile requirement is <sub idref=\"var_password_pam_remember\" /> passwords.", "rationale": "Preventing reuse of previous passwords helps ensure that a compromised password is not reused by a user.", "severity": "medium", "references": {"srg": ["SRG-OS-000077-GPOS-00045"], "cis": ["5.3.3.3.1"]}, "control_references": {"cis": ["5.3.3.3.1"]}, "components": [], "identifiers": {}, "ocil_clause": "the value of remember is not set equal to or greater than <sub idref=\"var_password_pam_remember\" />", "ocil": "Check that the SUSE operating system prohibits the reuse of a password for\na minimum of <tt><sub idref=\"var_password_pam_remember\" /></tt> generations with the following command:\n<pre># grep pam_pwhistory.so /etc/pam.d/common-password\npassword requisite pam_pwhistory.so remember=<sub idref=\"var_password_pam_remember\" /> use_authtok</pre>\nIf the command does not return a result, or the returned line is commented\nout, has a second column value different from \"requisite\", does not contain\n\"remember\" value, the value is less than\n<tt><sub idref=\"var_password_pam_remember\" /></tt>, or is missing the\n\"use_authtok\" keyword, this is a finding.", "oval_external_content": null, "fixtext": "", "checktext": "", "vuldiscussion": "", "srg_requirement": "", "warnings": [], "conflicts": [], "requires": [], "policy_specific_content": {}, "platform": "package[pam]", "platforms": ["package[pam]"], "sce_metadata": {}, "inherited_platforms": ["system_with_kernel"], "cpe_platform_names": ["package_pam"], "inherited_cpe_platform_names": ["system_with_kernel"], "bash_conditional": null, "fixes": {}, "title": "Limit Password Reuse", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/system/accounts/accounts-pam/locking_out_password_attempts/accounts_password_pam_pwhistory_remember/rule.yml", "template": null}