RHEL 9 : Red Hat OpenStack Services on OpenShift 18.0 (golang-github-openstack-k8s-operators-os-diff) (RHSA-2026:39810)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2026:39810. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(327031);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/15");

  script_cve_id(
    "CVE-2025-61726",
    "CVE-2025-61729",
    "CVE-2026-25679",
    "CVE-2026-27137",
    "CVE-2026-32280",
    "CVE-2026-32281",
    "CVE-2026-32282",
    "CVE-2026-32283",
    "CVE-2026-33810",
    "CVE-2026-33811"
  );
  script_xref(name:"RHSA", value:"2026:39810");

  script_name(english:"RHEL 9 : Red Hat OpenStack Services on OpenShift 18.0 (golang-github-openstack-k8s-operators-os-diff) (RHSA-2026:39810)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for Red Hat OpenStack Services on OpenShift 18.0
(golang-github-openstack-k8s-operators-os-diff).");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as
referenced in the RHSA-2026:39810 advisory.

    Security Fix(es):

    * net/url: Memory exhaustion in query parameter parsing in net/url
    (CVE-2025-61726)

    * golang: Denial of Service due to excessive resource consumption via
    crafted certificate (CVE-2025-61729)

    * Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)

    * Incorrect enforcement of email constraints in crypto/x509
    (CVE-2026-27137)

    * crypto/tls: golang: Go: Denial of Service vulnerability in certificate
    chain building (CVE-2026-32280)

    * golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update
    messages (CVE-2026-32283)

    * golang: Go crypto/x509: Certificate validation bypass due to incorrect
    DNS constraint application (CVE-2026-33810)

    * golang: Go net package: Denial of Service via long CNAME response in
    LookupCNAME (CVE-2026-33811)

    * golang: Go crypto/x509: Denial of Service via inefficient certificate
    chain validation (CVE-2026-32281)

    * internal/syscall/unix: Root.Chmod can follow symlinks out of the root
    (CVE-2026-32282)

    For more details about the security issue(s), including the impact, a CVSS
    score, acknowledgments, and other related information, refer to the CVE
    page 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");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2418462");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2434432");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2445345");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2445356");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2456333");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2456335");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2456336");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2456338");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2456339");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2467822");
  # https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_39810.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?eabad3e0");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2026:39810");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL Red Hat OpenStack Services on OpenShift 18.0 (golang-github-openstack-k8s-operators-os-diff) package
based on the guidance in RHSA-2026:39810.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:P/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:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-33810");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(295, 367, 764, 770, 1050, 1286, 1289, 1341);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/12/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/07/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:golang-github-openstack-k8s-operators-os-diff");
  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) 2026 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('rpm2.inc');
include('rhel.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_product = get_kb_item('installed_os/local/SSH/0/product');
if (isnull(os_product) || 'Red Hat' >!< os_product) audit(AUDIT_OS_NOT, 'Red Hat');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
if (!rhel_check_release(operator: 'ge', os_version: os_version, rhel_version: '9')) audit(AUDIT_OS_NOT, 'Red Hat 9.x', 'Red Hat ' + os_version);

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 = [
  {
    'release': '9',
    'repo_relative_urls': [
      'content/beta/layered/rhel9/x86_64/rhoso-edpm/1/debug',
      'content/beta/layered/rhel9/x86_64/rhoso-edpm/1/os',
      'content/beta/layered/rhel9/x86_64/rhoso-edpm/1/source/SRPMS',
      'content/beta/layered/rhel9/x86_64/rhoso-podified/1/debug',
      'content/beta/layered/rhel9/x86_64/rhoso-podified/1/os',
      'content/beta/layered/rhel9/x86_64/rhoso-podified/1/source/SRPMS',
      'content/beta/layered/rhel9/x86_64/rhoso-tools/18/debug',
      'content/beta/layered/rhel9/x86_64/rhoso-tools/18/os',
      'content/beta/layered/rhel9/x86_64/rhoso-tools/18/source/SRPMS',
      'content/beta/layered/rhel9/x86_64/rhoso/18/debug',
      'content/beta/layered/rhel9/x86_64/rhoso/18/os',
      'content/beta/layered/rhel9/x86_64/rhoso/18/source/SRPMS',
      'content/dist/layered/rhel9/x86_64/rhoso-edpm/1.0/debug',
      'content/dist/layered/rhel9/x86_64/rhoso-edpm/1.0/os',
      'content/dist/layered/rhel9/x86_64/rhoso-edpm/1.0/source/SRPMS',
      'content/dist/layered/rhel9/x86_64/rhoso-podified/1.0/debug',
      'content/dist/layered/rhel9/x86_64/rhoso-podified/1.0/os',
      'content/dist/layered/rhel9/x86_64/rhoso-podified/1.0/source/SRPMS',
      'content/dist/layered/rhel9/x86_64/rhoso-tools/18/debug',
      'content/dist/layered/rhel9/x86_64/rhoso-tools/18/os',
      'content/dist/layered/rhel9/x86_64/rhoso-tools/18/source/SRPMS',
      'content/dist/layered/rhel9/x86_64/rhoso/18.0/debug',
      'content/dist/layered/rhel9/x86_64/rhoso/18.0/os',
      'content/dist/layered/rhel9/x86_64/rhoso/18.0/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'golang-github-openstack-k8s-operators-os-diff-0.1.1-18.0.20260602234716.a95ae05.el9ost', 'cpu':'x86_64', 'el_string':'el9ost', '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 os_release = get_one_kb_item('installed_os/local/SSH/0/release');
var os_sp = get_one_kb_item('Host/*/minor_release');

var flag = 0;
var repo_relative_urls;
var reference;
var sp;
var _cpu;
var el_string;
var rpm_spec_vers_cmp;
var epoch;
var allowmaj;
var exists_check;
var cves;
foreach var constraint ( constraints ) {
  # Check that the target release is equal to the affected release
  if (!empty_or_null(constraint['release'])){
    if (constraint['release'] != os_release) continue;
  }
  if (!empty_or_null(constraint['sp'])){
    if (constraint['sp'] != os_sp) continue;
  }

  if (!empty_or_null(constraint['repo_relative_urls'])) repo_relative_urls = constraint['repo_relative_urls'];

  foreach var pkg ( constraint['pkgs'] ) {
    reference = NULL;
    sp = NULL;
    _cpu = NULL;
    el_string = NULL;
    rpm_spec_vers_cmp = NULL;
    epoch = NULL;
    allowmaj = NULL;
    exists_check = NULL;
    cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    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 &&
        rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
        (applicable_repo_urls || (!exists_check || rpm_exists(rpm:exists_check))) &&
        rpm_check(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_HOLE,
      extra      : extra
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'golang-github-openstack-k8s-operators-os-diff');
}