IBM MQ 9.1 < 9.1.0.38 LTS / 9.2 < 9.2.0.44 LTS / 9.3 < 9.3.0.42 LTS / 9.4 < 9.4.0.26 LTS / 9.3 - 10.0.0.0 CD < 10.0.0.5 (7284942)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(348152);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/09/21");

  script_cve_id("CVE-2026-12728");
  script_xref(name:"IAVA", value:"2026-A-1013");

  script_name(english:"IBM MQ 9.1 < 9.1.0.38 LTS / 9.2 < 9.2.0.44 LTS / 9.3 < 9.3.0.42 LTS / 9.4 < 9.4.0.26 LTS / 9.3 - 10.0.0.0 CD < 10.0.0.5 (7284942)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of IBM MQ Server running on the remote host is 9.1.0.0 prior to 9.1.0.38 LTS, or 9.2.0.0 prior to 9.2.0.44
LTS, or 9.3.0.0 prior to 9.3.0.42 LTS, or 9.4.0.0 prior to 9.4.0.26 LTS, or a 9.3.x / 9.4.x CD release, or 10.0.0.0. It
is, therefore, affected by a vulnerability as referenced in the 7284942 advisory.

  - IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through
    9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow an authenticated
    attacker to execute arbitrary code due to a deserialization of untrusted data. (CVE-2026-12728)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.ibm.com/support/pages/node/7284942");
  script_set_attribute(attribute:"solution", value:
"Upgrade to IBM MQ 9.1.0.38 LTS, 9.2.0.44 LTS, 9.3.0.42 LTS, 9.4.0.26 LTS, 10.0.0.5 CD or later.");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/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:L/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-2026-12728");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/09/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/09/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/09/18");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:ibm:websphere_mq");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:ibm:mq");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ibm_mq_nix_installed.nbin", "websphere_mq_installed.nasl");
  script_require_keys("installed_sw/IBM WebSphere MQ");

  exit(0);
}

include('vcf.inc');

var app = 'IBM WebSphere MQ';

var app_info = vcf::get_app_info(app:app);
var comps = tolower(app_info['Components']);
if (empty_or_null(comps))
  comps = tolower(app_info['Installed Components']);

if (app_info['Type'] != 'Server')
  audit(AUDIT_HOST_NOT, 'an affected product');

# Advisory affects the Java messaging component
if ('java messaging' >!< comps &&
    'javamsg' >!< comps)
  audit(AUDIT_INST_VER_NOT_VULN, app);

var constraints;
# check if CD - less than 4 version segments or non-0 3rd (M) segment
# https://www.ibm.com/support/pages/ibm-mq-faq-long-term-support-and-continuous-delivery-releases
if (app_info['version'] =~ "^10\.")
{
  constraints = [
    { 'equal' : '10.0.0.0', 'fixed_display' : '10.0.0.5' }
  ];
}
else if (app_info['version'] =~ "^9\.([0-9]+\.?){0,2}$" || app_info['version'] =~ "^9\.[0-9]\.[1-9]")
{
  constraints = [
    { 'min_version' : '9.3.0.0', 'max_version' : '9.3.5.1', 'fixed_display' : '10.0.0.5' },
    { 'min_version' : '9.4.0.0', 'max_version' : '9.4.5.1', 'fixed_display' : '10.0.0.5' }
  ];
}
else
{
  constraints = [
    { 'min_version' : '9.1.0.0', 'fixed_version' : '9.1.0.38' },
    { 'min_version' : '9.2.0.0', 'fixed_version' : '9.2.0.44' },
    { 'min_version' : '9.3.0.0', 'fixed_version' : '9.3.0.42' },
    { 'min_version' : '9.4.0.0', 'fixed_version' : '9.4.0.26' }
  ];
}

vcf::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_HOLE
);