Linux: Debian Package

Description

The Linux: Debian Package test is used to check information for a given DPKG package.

The dpkginfo_object element is used by a dpkginfo_test to define the object being evaluated. A dpkginfo object consists of a single name entity that identifies the package being checked.

The dpkginfo_state element defines the different information that can be used to evaluate the specified DPKG package. This includes the architecture, epoch number, release, and version numbers.

Warning: There are differences in the algorithms for how the version strings of Debian and RPM packages are compared. As a result, a debian_evr_string datatype should be used for this entity, instead of the evr_string datatype. This represents the epoch, upstream_version, and debian_revision fields, for a Debian package, as a single version string. It has the form “EPOCH:UPSTREAM_VERSION-DEBIAN_REVISION”. Note that a null epoch (or ‘(none)’ as returned by dpkg) is equivalent to ‘0’ and would hence have the form 0:UPSTREAM_VERSION-DEBIAN_REVISION.

Technical Details

Artifact Parameters

linux.debian_package_v1

Name	Type	Description
name	string	The name of the package being checked. Cannot be blank.

Supported Test Types

Existence Test

Test Type Parameters

existence_test

Name	Type	Description
value	string	The value to be tested.

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

all_exist
any_exist
at_least_one_exists
none_satisfy
none_exist
only_one_exists

Generated Content

existence_test

XCCDF+AE

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

<xccdf:complex-check operator="AND">
  <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="name">[name.name]</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:parameters>
        </ae:test>
        <ae:profiles>
          <ae:profile idref="xccdf_org.cisecurity.benchmarks_profile_Level_1" />
          <ae:profile idref="xccdf_org.cisecurity.benchmarks_profile_Level_2" />
        </ae:profiles>
      </ae:artifact_expression>
    </xccdf:check-content>
  </xccdf:check>
</xccdf:complex-check>

SCAP

XCCDF

For linux.debian_package_v1 existence_test artifacts, the XCCDF check looks like this. There is no Value element in the XCCDF for this artifact.

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

OVAL

Test

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

Object

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

State

N/A

YAML

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

JSON

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