IBM MQ 8.0.0.x < 8.0.0.11 / 9.0.0.x < 9.0.0.6 / 9.1.0.x < 9.1.0.2 / 9.1.1 TLS Key Renegotiation DoS

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(125896);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/10/07");

  script_cve_id("CVE-2019-4055");
  script_bugtraq_id(108027);

  script_name(english:"IBM MQ 8.0.0.x < 8.0.0.11 / 9.0.0.x < 9.0.0.6 / 9.1.0.x < 9.1.0.2 / 9.1.1 TLS Key Renegotiation DoS");

  script_set_attribute(attribute:"synopsis", value:
"A message queuing service installed on the remote host is affected
by a denial-of-service vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, the IBM MQ server installed
on the remote host is 8.0.0.x prior to 8.0.0.11 LTS, 9.0.0.x prior to
9.0.0.6 LTS, 9.1.0.x prior to 9.1.0.2 LTS, or 9.1.1 CD and is therefore
affected by a denial-of-service vulnerability in the IBM MQ Queue
Manager due to a weakness in the TLS key renegotiation functions. An
unauthenticated, remote attacker could exploit this vulnerability to
impact the availability of the service.");
  script_set_attribute(attribute:"see_also", value:"https://www-01.ibm.com/support/docview.wss?uid=ibm10870484");
  script_set_attribute(attribute:"solution", value:
"Upgrade to IBM MQ 8.0.0.11, 9.0.0.6, 9.1.0.2, 9.1.2 or later as per
the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:N/I:N/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-2019-4055");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/04/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/04/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/06/14");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:ibm:websphere_mq");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}

include('vcf.inc');

app = 'IBM WebSphere MQ';
app_info = vcf::get_app_info(app:app, win_local:TRUE);

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

constraints = [
  { 'min_version' : '8.0.0', 'fixed_version' : '8.0.0.11' },
  { 'min_version' : '9.0.0', 'fixed_version' : '9.0.0.6' },
  { 'min_version' : '9.1.0', 'fixed_version' : '9.1.0.2' },
  { 'min_version' : '9.1.1', 'fixed_version' : '9.1.2.0' }
];

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