IBM WebSphere Application Server 9.x < 9.0.5.25 / Liberty 17.0.0.3 < 25.0.0.8 DoS (7239856)

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

include('compat.inc');

if (description)
{
  script_id(242285);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/07/17");

  script_cve_id("CVE-2025-36097");

  script_name(english:"IBM WebSphere Application Server 9.x < 9.0.5.25 / Liberty 17.0.0.3 < 25.0.0.8 DoS (7239856)");

  script_set_attribute(attribute:"synopsis", value:
"The remote web application server is affected by a DoS vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of IBM WebSphere Application Server running on the remote host is affected by a DoS vulnerability as
referenced in the 7239856 advisory.

  - IBM WebSphere Application Server 9.0 and WebSphere Application Server Liberty 17.0.0.3 through 25.0.0.7
    are vulnerable to a denial of service, caused by a stack-based overflow. An attacker can send a specially
    crafted request that cause the server to consume excessive memory resources. (CVE-2025-36097)

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/7239856");
  script_set_attribute(attribute:"solution", value:
"Update to IBM WebSphere Application Server version 9.0.5.25, 25.0.0.8 Liberty or later. Alternatively, upgrade to the
minimal fix pack levels required by the interim fix and then apply Interim Fix PH67120 / PH67183.");
  script_set_attribute(attribute:"agent", value:"all");
  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:"cvss_score_source", value:"CVE-2025-36097");

  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:"2025/07/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/07/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/07/17");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:ibm:websphere_application_server");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Web Servers");

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("websphere_detect.nasl", "ibm_enum_products.nbin", "ibm_websphere_application_server_nix_installed.nbin", "ibm_websphere_application_server_win_installed.nbin");
  script_require_keys("installed_sw/IBM WebSphere Application Server");

  exit(0);
}

include('vcf.inc');

var app = 'IBM WebSphere Application Server';
var app_info = vcf::combined_get_app_info(app:app);
vcf::check_granularity(app_info:app_info, sig_segments:4);

# If the detection is only remote, Source will be set, and we should require paranoia
var require_paranoid = FALSE;
if (!empty_or_null(app_info['Source']) && app_info['Source'] != 'unknown' && report_paranoia < 2)
  require_paranoid = TRUE;

if ('PH67120' >< app_info['Fixes'] || 'PH67183' >< app_info['Fixes'])
  audit(AUDIT_INST_VER_NOT_VULN, app);

var constraints = [
  { 'min_version' : '9.0.0.0', 'fixed_version' : '9.0.5.25', 'fixed_display' : '9.0.5.25 or Interim Fix PH67120' },
  { 'min_version' : '17.0.0.3', 'fixed_version' : '25.0.0.8', 'fixed_display' : '25.0.0.8 or Interim Fix PH67183' }
];

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