Unix: Uname Parameter

Description

The Unix: Uname Parameter test The uname test reveals information about the hardware the machine is running on. This information is the parsed equivalent of uname -a. For example: “Linux quark 2.6.5-7.108-default #1 Wed Aug 25 13:34:40 UTC 2004 i686 i686 i386 GNU/Linux”.

The uname_object element is used by a uname_test to define those objects to be evaluated based on a specified state. There is actually only one object relating to uname and this is the system as a whole. Therefore, there are no child entities defined. Any test written to check uname will reference the same uname_object which is basically an empty object element.

The uname_state element defines the information about the hardware the machine is running one.

Technical Details

Artifact Parameters

unix.uname_parameter_v1

Name	Type	Description
parameter	string	The uname parameter to be tested.

NOTE: The parameter parameter is governed by a constraint allowing only the following values:

machine_class
node_name
os_name
os_release
os_version
processor_type

Supported Test Types

Equals

Not Equal

Less Than

Less Than Or Equal

Greater Than

Greater Than Or Equal

Pattern Match

Pattern Not Match

Test Type Parameters

equals
not equal
less than
less than or equal
greater than
greater than or equal
pattern match
pattern not match

Name	Type	Description
value	string	The value to be tested.
data_type	string	The data type of the value.

NOTE: The data_type parameter is governed by a constraint allowing only the following values:

boolean
float
int
string
version
set

Generated Content

equals
not equal
less than
less than or equal
greater than
greater than or equal
pattern match
pattern not match

XCCDF+AE

This is what the AE check looks like, inside a Rule, in the XCCDF.

<xccdf:check system="https://benchmarks.cisecurity.org/ae/0.5">
  <xccdf:check-content>
    <ae:artifact_expression id="xccdf_org.cisecurity.benchmarks_ae_[SECTION-NUMBER]">
      <ae:artifact_oval_id>[ARTIFACT-OVAL-ID]</ae:artifact_oval_id>
      <ae:title>[ARTIFACT-TITLE]</ae:title>
      <ae:artifact type="[ARTIFACT-TYPE-NAME]">
        <ae:parameters>
          <ae:parameter dt="string" name="parameter">[parameter.value]</ae:parameter>
        </ae:parameters>
      </ae:artifact>
      <ae:test type="[TEST-TYPE-NAME]">
        <ae:parameters>
          <ae:parameter dt="string" name="value">[value.value]</ae:parameter>
          <ae:parameter dt="string" name="data_type">[data_type.value]</ae:parameter>
        </ae:parameters>
      </ae:test>
      <ae:profiles>
        <ae:profile idref="xccdf_org.cisecurity.benchmarks_profile_Level_2" />
      </ae:profiles>
    </ae:artifact_expression>
  </xccdf:check-content>
</xccdf:check>

SCAP

XCCDF

For unix.uname_parameter_v1 equals, not equal, less than, less than or equal, greater than, greater than or equal, pattern match, and pattern not match artifacts, an XCCDF Value element is generated.

<Value
  id="xccdf_org.cisecurity.benchmarks_value_[ARTIFACT-OVAL-ID]_var"
  type="string"
  operator="[operator.value]">
  <title>[RECOMMENDATION-TITLE]</title>
  <description>This value is used in Rule: [RECOMMENDATION-TITLE]</description>
  <value>[value.value]</value>
</Value>

For unix.uname_parameter_v1 equals, not equal, less than, less than or equal, greater than, greater than or equal, pattern match, and pattern not match artifacts, the XCCDF check looks like this.

<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5">
  <check-export
    export-name="oval:org.cisecurity.benchmarks.[PLATFORM]:var:[ARTIFACT-OVAL-ID]"
    value-id="xccdf_org.cisecurity.benchmarks_value_[ARTIFACT-OVAL-ID]_var" />
  <check-content-ref
    href="[BENCHMARK-TITLE]-oval.xml"
    name="oval:org.cisecurity.benchmarks.[PLATFORM]:def:[ARTIFACT-OVAL-ID]" />
</check>

OVAL

Test

<uname_test
  xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#unix"
  id="oval:org.cisecurity.benchmarks.[PLATFORM]:tst:[ARTIFACT-OVAL-ID]"
  check_existence="at_least_one_exists"
  check="all"
  comment="[ARTIFACT-TITLE]"
  version="1">
  <object object_ref="oval:org.cisecurity.benchmarks.[PLATFORM]:obj:[ARTIFACT-OVAL-ID]" />
  <state state_ref="oval:org.cisecurity.benchmarks.[PLATFORM]:ste:[ARTIFACT-OVAL-ID]" />
</uname_test>

Object

<uname_object
  xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#unix"
  id="oval:org.cisecurity.benchmarks.[PLATFORM]:obj:[ARTIFACT-OVAL-ID]"
  comment="[ARTIFACT-TITLE]"
  version="1" />

State

<uname_state
  xmlns="http://oval.mitre.org/XMLSchema/oval-definitions-5#unix"
  id="oval:org.cisecurity.benchmarks.[PLATFORM]:ste:[ARTIFACT-OVAL-ID]"
  comment="[ARTIFACT-TITLE]"
  version="1">
  <parameter
    datatype="[datatype.value]"
    operation="[operation.value]"
    var_ref="oval:org.cisecurity.benchmarks.[PLATFORM]:var:[ARTIFACT-OVAL-ID]" />
</uname_state>

Variable

<external_variable
  id="oval:org.cisecurity.benchmarks.[PLATFORM]:var:[ARTIFACT-OVAL-ID]"
  datatype="[datatype.value]"
  comment="This value is used in [RECOMMENDATION-TITLE]"
  version="1" />

YAML

artifact-expression:
  artifact-unique-id: "[ARTIFACT-OVAL-ID]"
  artifact-title: "[ARTIFACT-TITLE]"
  artifact:
    type: "[ARTIFACT-TYPE-NAME]"
    parameters:
      - parameter:
          name: "parameter"
          dt: "string"
          value: "[parameter.value]"
  test:
    type: "[TEST-TYPE-NAME]"
    parameters:
      - parameter:
          name: "value"
          dt: "string"
          value: "[value.value]"
      - parameter:
          name: "data_type"
          dt: "string"
          value: "[data_type.value]"

JSON

{
  "artifact-expression": {
    "artifact-unique-id": "[ARTIFACT-OVAL-ID]",
    "artifact-title": "[ARTIFACT-TITLE]",
    "artifact": {
      "type": "[ARTIFACT-TYPE-NAME]",
      "parameters": [
        {
          "parameter": {
            "name": "parameter",
            "type": "string",
            "value": "[parameter.value]"
          }
        }
      ]
    },
    "test": {
      "type": "[TEST-TYPE-NAME]",
      "parameters": [
        {
          "parameter": {
            "name": "value",
            "type": "string",
            "value": "[value.value]"
          }
        },
        {
          "parameter": {
            "name": "data_type",
            "type": "string",
            "value": "[data_type.value]"
          }
        }
      ]
    }
  }
}