RHEL 9 : Red Hat OpenStack Platform 17.1 security advisory (Important) (RHSA-2026:90329)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2026:90329. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(372143);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/26");

  script_cve_id(
    "CVE-2025-61726",
    "CVE-2026-25679",
    "CVE-2026-27145",
    "CVE-2026-32280",
    "CVE-2026-32283",
    "CVE-2026-33811",
    "CVE-2026-33818",
    "CVE-2026-39821",
    "CVE-2026-56853",
    "CVE-2026-56858",
    "CVE-2026-56860",
    "CVE-2026-56862",
    "CVE-2026-73500",
    "CVE-2026-78669",
    "CVE-2026-111943"
  );
  script_xref(name:"RHSA", value:"2026:90329");

  script_name(english:"RHEL 9 : Red Hat OpenStack Platform 17.1 security advisory (Important) (RHSA-2026:90329)");

  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 9 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2026:90329 advisory.

    Red Hat OpenStack Platform provides the facilities for building, deploying and monitoring a private or
    public infrastructure-as-a-service (IaaS) cloud running on commonly available physical hardware.

    Security Fix(es):

    * golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate
    certificates (CVE-2026-111943)

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

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

    * golang: golang crypto/x509: Denial of Service via excessive processing of
    DNS SAN entries (CVE-2026-27145)

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

    * golang: Go encoding/asn1: Denial of Service via excessive recursion in
    Unmarshal (CVE-2026-33818)

    * golang: net/http: golang.org/x/net/idna: Privilege escalation via
    incorrect Punycode label processing (CVE-2026-39821)

    * golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial
    of Service (CVE-2026-56853)

    * golang: Go html/template: Cross-Site Scripting via pathological input
    (CVE-2026-56858)

    * golang: golang net/url: Denial of Service from quadratic complexity in
    path resolution (CVE-2026-56860)

    * golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate
    messages (CVE-2026-56862)

    * etcd: Denial of Service via unbounded TLS handshake goroutines
    (CVE-2026-73500)

    * net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of
    Service via excessive HTTP/2 SETTINGS frames (CVE-2026-78669)

    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=2434432");
  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=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");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2480756");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2484207");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2515007");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2515815");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2515820");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2515827");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2515838");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2515839");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2548344");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2556068");
  # https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_90329.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?041c895f");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2026:90329");
  script_set_attribute(attribute:"solution", value:
"Update the affected collectd-libpod-stats, collectd-sensubility and / or etcd packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  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:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-33811");
  script_set_attribute(attribute:"cvss4_score_source", value:"CVE-2026-73500");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(79, 295, 606, 764, 770, 776, 1050, 1286, 1289, 1341);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/01/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/10/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/26");

  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:collectd-libpod-stats");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:collectd-sensubility");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:etcd");
  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_info2.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/dist/layered/rhel9/x86_64/openstack-deployment-tools/17.1/debug',
      'content/dist/layered/rhel9/x86_64/openstack-deployment-tools/17.1/os',
      'content/dist/layered/rhel9/x86_64/openstack-deployment-tools/17.1/source/SRPMS',
      'content/dist/layered/rhel9/x86_64/openstack-tools/17/debug',
      'content/dist/layered/rhel9/x86_64/openstack-tools/17/os',
      'content/dist/layered/rhel9/x86_64/openstack-tools/17/source/SRPMS',
      'content/dist/layered/rhel9/x86_64/openstack/17.1/debug',
      'content/dist/layered/rhel9/x86_64/openstack/17.1/os',
      'content/dist/layered/rhel9/x86_64/openstack/17.1/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'collectd-libpod-stats-1.0.6-9.el9ost', 'cpu':'x86_64', 'el_string':'el9ost', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openstack-'},
      {'reference':'collectd-sensubility-0.2.1-8.el9ost', 'cpu':'x86_64', 'el_string':'el9ost', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openstack-'},
      {'reference':'etcd-3.4.26-9.10.el9ost', 'cpu':'x86_64', 'el_string':'el9ost', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openstack-'}
    ]
  }
];

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, 'collectd-libpod-stats / collectd-sensubility / etcd');
}