RHEL 6 / 7 / 8 : Satellite Tools 6.9.9 Async Bug Fix Update (Important) (RHSA-2022:4867)

##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2022:4867. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(161763);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/03");

  script_cve_id("CVE-2021-27023", "CVE-2021-27025");
  script_xref(name:"RHSA", value:"2022:4867");

  script_name(english:"RHEL 6 / 7 / 8 : Satellite Tools 6.9.9 Async Bug Fix Update (Important) (RHSA-2022:4867)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 6 / 7 / 8 host has a package installed that is affected by multiple vulnerabilities
as referenced in the RHSA-2022:4867 advisory.

    Red Hat Satellite is a system management solution that allows organizations to configure and maintain
    their systems without the necessity to provide public Internet access to their servers or other client
    systems. It performs provisioning and configuration management of predefined standard operating
    environments.

    Security Fix(es):
    * Puppet Agent: Unsafe HTTP redirect (CVE-2021-27023)
    * Puppet Agent: Silent configuration failure in agent (CVE-2021-27025)

    Bugs Fixed:
    2023853 CVE-2021-27025 puppet: silent configuration failure in agent
    2023859 CVE-2021-27023 puppet: unsafe HTTP redirect
    2066884 CVE-2021-27025 puppet-agent: puppet: silent configuration failure in agent
    [rhn_satellite_6-default]

    Users of Red Hat Satellite Tools on all Red Hat Enterprise Linux versions are advised to upgrade to these
    updated packages.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  # https://access.redhat.com/security/data/csaf/v2/advisories/2022/rhsa-2022_4867.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c0faa61a");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#important");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2022:4867");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2023853");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2023859");
  script_set_attribute(attribute:"solution", value:
"Update the affected puppet-agent package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-27023");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(200, 665);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/11/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/06/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/06/01");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:puppet-agent");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Red Hat Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "redhat_repos.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");

  exit(0);
}


include('rpm.inc');
include('rhel.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Red Hat' >!< os_release) audit(AUDIT_OS_NOT, 'Red Hat');
var os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
os_ver = os_ver[1];
if (!rhel_check_release_list(operator: 'ge', os_version: os_ver, rhel_versions: ['6','7','8'])) audit(AUDIT_OS_NOT, 'Red Hat 6.x / 7.x / 8.x', 'Red Hat ' + os_ver);

if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu && 'ppc' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);

var constraints = [
  {
    'repo_relative_urls': [
      'content/dist/layered/rhel8/aarch64/sat-tools/6.9/debug',
      'content/dist/layered/rhel8/aarch64/sat-tools/6.9/os',
      'content/dist/layered/rhel8/aarch64/sat-tools/6.9/source/SRPMS',
      'content/dist/layered/rhel8/ppc64le/sat-tools/6.9/debug',
      'content/dist/layered/rhel8/ppc64le/sat-tools/6.9/os',
      'content/dist/layered/rhel8/ppc64le/sat-tools/6.9/source/SRPMS',
      'content/dist/layered/rhel8/x86_64/sat-tools/6.9/debug',
      'content/dist/layered/rhel8/x86_64/sat-tools/6.9/os',
      'content/dist/layered/rhel8/x86_64/sat-tools/6.9/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'puppet-agent-6.26.0-1.el8sat', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'puppet-agent-6.26.0-1.el8sat', 'cpu':'x86_64', 'release':'8', 'el_string':'el8sat', 'rpm_spec_vers_cmp':TRUE}
    ]
  },
  {
    'repo_relative_urls': [
      'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/sat-tools/6.9/debug',
      'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/sat-tools/6.9/os',
      'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/sat-tools/6.9/source/SRPMS',
      'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/sat-tools/6.9/debug',
      'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/sat-tools/6.9/os',
      'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/sat-tools/6.9/source/SRPMS',
      'content/dist/rhel/client/7/7Client/x86_64/sat-tools/6.9/debug',
      'content/dist/rhel/client/7/7Client/x86_64/sat-tools/6.9/os',
      'content/dist/rhel/client/7/7Client/x86_64/sat-tools/6.9/source/SRPMS',
      'content/dist/rhel/computenode/7/7ComputeNode/x86_64/sat-tools/6.9/debug',
      'content/dist/rhel/computenode/7/7ComputeNode/x86_64/sat-tools/6.9/os',
      'content/dist/rhel/computenode/7/7ComputeNode/x86_64/sat-tools/6.9/source/SRPMS',
      'content/dist/rhel/power-le/7/7Server/ppc64le/sat-tools/6.9/debug',
      'content/dist/rhel/power-le/7/7Server/ppc64le/sat-tools/6.9/os',
      'content/dist/rhel/power-le/7/7Server/ppc64le/sat-tools/6.9/source/SRPMS',
      'content/dist/rhel/power/7/7Server/ppc64/sat-tools/6.9/debug',
      'content/dist/rhel/power/7/7Server/ppc64/sat-tools/6.9/os',
      'content/dist/rhel/power/7/7Server/ppc64/sat-tools/6.9/source/SRPMS',
      'content/dist/rhel/server/7/7Server/x86_64/sat-tools/6.9/debug',
      'content/dist/rhel/server/7/7Server/x86_64/sat-tools/6.9/os',
      'content/dist/rhel/server/7/7Server/x86_64/sat-tools/6.9/source/SRPMS',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/sat-tools/6.9/debug',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/sat-tools/6.9/os',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/sat-tools/6.9/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'puppet-agent-6.26.0-1.el7sat', 'cpu':'aarch64', 'release':'7', 'el_string':'el7sat', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'puppet-agent-6.26.0-1.el7sat', 'cpu':'ppc64le', 'release':'7', 'el_string':'el7sat', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'puppet-agent-6.26.0-1.el7sat', 'cpu':'x86_64', 'release':'7', 'el_string':'el7sat', 'rpm_spec_vers_cmp':TRUE}
    ]
  },
  {
    'repo_relative_urls': [
      'content/els/rhel/server/6/6Server/i386/sat-tools/6.9/debug',
      'content/els/rhel/server/6/6Server/i386/sat-tools/6.9/os',
      'content/els/rhel/server/6/6Server/i386/sat-tools/6.9/source/SRPMS',
      'content/els/rhel/server/6/6Server/x86_64/sat-tools/6.9/debug',
      'content/els/rhel/server/6/6Server/x86_64/sat-tools/6.9/os',
      'content/els/rhel/server/6/6Server/x86_64/sat-tools/6.9/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'puppet-agent-6.26.0-1.el6sat', 'cpu':'i686', 'release':'6', 'el_string':'el6sat', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'puppet-agent-6.26.0-1.el6sat', 'cpu':'x86_64', 'release':'6', 'el_string':'el6sat', 'rpm_spec_vers_cmp':TRUE}
    ]
  }
];

var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);

var flag = 0;
foreach var constraint_array ( constraints ) {
  var repo_relative_urls = NULL;
  if (!empty_or_null(constraint_array['repo_relative_urls'])) repo_relative_urls = constraint_array['repo_relative_urls'];
  foreach var pkg ( constraint_array['pkgs'] ) {
    var reference = NULL;
    var _release = NULL;
    var sp = NULL;
    var _cpu = NULL;
    var el_string = NULL;
    var rpm_spec_vers_cmp = NULL;
    var epoch = NULL;
    var allowmaj = NULL;
    var exists_check = NULL;
    var cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        _release &&
        rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
        (applicable_repo_urls || (!exists_check || rpm_exists(release:_release, rpm:exists_check))) &&
        rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++;
  }
}

if (flag)
{
  var extra = NULL;
  if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
  else extra = rpm_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : extra
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'puppet-agent');
}