RHEL 8 / 9 : GitOps 1.12.1- Argo CD CLI and MicroShift GitOps (RHSA-2024:1752)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2024:1752. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(193172);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/04");

  script_cve_id(
    "CVE-2023-50726",
    "CVE-2024-21652",
    "CVE-2024-21661",
    "CVE-2024-21662",
    "CVE-2024-29893"
  );
  script_xref(name:"RHSA", value:"2024:1752");

  script_name(english:"RHEL 8 / 9 : GitOps 1.12.1- Argo CD CLI and MicroShift GitOps (RHSA-2024:1752)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for GitOps 1.12.1- Argo CD CLI / MicroShift GitOps.");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2024:1752 advisory.

    Errata Advisory for Red Hat OpenShift GitOps v1.12.1- Argo CD CLI and MicroShift GitOps.

    Security Fix(es):

    * argo-cd: Denial of Service Due to Unsafe Array Modification in Multi-threaded Environment
    (CVE-2024-21661)

    * argo-cd: Users with `create` but not `override` privileges can perform local
    sync (CVE-2023-50726)

    * argo-cd: Bypassing Brute Force Protection via Application Crash and In-Memory Data Loss (CVE-2024-21652)

    * argo-cd: uncontrolled resource consumption vulnerability (CVE-2024-29893)

    * argo-cd: Bypassing Rate Limit and Brute Force Protection Using Cache Overflow (CVE-2024-21662)

    For more details about the security issue(s), including the impact, a CVSS
    score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References
    section.

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.");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#important");
  # https://docs.openshift.com/gitops/latest/understanding_openshift_gitops/about-redhat-openshift-gitops.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?2c43e819");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2269479");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2270170");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2270173");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2270182");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2272211");
  # https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_1752.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?e0f27e1b");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2024:1752");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL GitOps 1.12.1- Argo CD CLI / MicroShift GitOps packages based on the guidance in RHSA-2024:1752.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:P");
  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-2023-50726");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2024-21652");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(269, 307, 400, 567);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/03/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/04/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/04/10");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:microshift-gitops");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:microshift-gitops-release-info");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-gitops-argocd-cli");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-gitops-argocd-cli-redistributable");
  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) 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: ['8','9'])) audit(AUDIT_OS_NOT, 'Red Hat 8.x / 9.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/gitops/1.12/debug',
      'content/dist/layered/rhel8/aarch64/gitops/1.12/os',
      'content/dist/layered/rhel8/aarch64/gitops/1.12/source/SRPMS',
      'content/dist/layered/rhel8/x86_64/gitops/1.12/debug',
      'content/dist/layered/rhel8/x86_64/gitops/1.12/os',
      'content/dist/layered/rhel8/x86_64/gitops/1.12/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'openshift-gitops-argocd-cli-1.12.1-5.el8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'openshift-gitops-argocd-cli-redistributable-1.12.1-5.el8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE}
    ]
  },
  {
    'repo_relative_urls': [
      'content/dist/layered/rhel9/aarch64/gitops/1.12/debug',
      'content/dist/layered/rhel9/aarch64/gitops/1.12/os',
      'content/dist/layered/rhel9/aarch64/gitops/1.12/source/SRPMS',
      'content/dist/layered/rhel9/x86_64/gitops/1.12/debug',
      'content/dist/layered/rhel9/x86_64/gitops/1.12/os',
      'content/dist/layered/rhel9/x86_64/gitops/1.12/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'microshift-gitops-1.12.1-4.el9', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'microshift-gitops-1.12.1-4.el9', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'microshift-gitops-release-info-1.12.1-4.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'openshift-gitops-argocd-cli-1.12.1-4.el9', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'openshift-gitops-argocd-cli-1.12.1-4.el9', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'openshift-gitops-argocd-cli-redistributable-1.12.1-4.el9', 'cpu':'x86_64', 'release':'9', '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, 'microshift-gitops / microshift-gitops-release-info / etc');
}