IBM WebSphere Application Server 7.0.0.x <= 7.0.0.45 / 8.0.0.x <= 8.0.0.15 / 8.5.x < 8.5.5.17 / 9.0.x < 9.0.5.2 / Liberty < 19.0.0.11 Information Disclosure (CVE-2019-4441)

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

include('compat.inc');

if (description)
{
  script_id(132076);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/11/30");

  script_cve_id("CVE-2019-4441");

  script_name(english:"IBM WebSphere Application Server 7.0.0.x <= 7.0.0.45 / 8.0.0.x <= 8.0.0.15 / 8.5.x < 8.5.5.17 / 9.0.x < 9.0.5.2 / Liberty < 19.0.0.11 Information Disclosure (CVE-2019-4441)");
  script_summary(english:"Reads the version number from the SOAP and GIOP services.");

  script_set_attribute(attribute:"synopsis", value:
"The remote web application server is affected by an information disclosure vulnerability");
  script_set_attribute(attribute:"description", value:
"The IBM WebSphere Application Server running on the remote host is version 7.0.0.0 through 7.0.0.45, 8.0.0.0 through
8.0.0.15, 8.5.0.x prior to 8.5.5.17, or 9.0.x prior to 9.0.5.2, or Liberty prior to 19.0.0.11. It is, therefore,
affected by an information disclosure vulnerability. An unauthenticated remote attacker can exploit this by viewing
returned stack traces in the browser to obtain sensitive information.");
  script_set_attribute(attribute:"see_also", value:"https://exchange.xforce.ibmcloud.com/vulnerabilities/163177");
  # https://www.ibm.com/blogs/psirt/ibm-security-bulletin-information-disclosure-vulnerability-in-websphere-application-server-cve-2019-4441/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?245df746");
  script_set_attribute(attribute:"see_also", value:"https://www.ibm.com/support/pages/node/959023");
  script_set_attribute(attribute:"solution", value:
"Upgrade to IBM WebSphere Application Server 8.5.5.17, 9.0.5.2, Liberty 19.0.0.11 or later. 
Alternatively, upgrade to the minimal fix pack levels required by the interim 
fix and then apply Interim Fix PH13983.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/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:L/I:N/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-2019-4441");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/10/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/10/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/12/16");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:ibm:websphere_application_server");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2019-2020 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");
  script_require_keys("installed_sw/IBM WebSphere Application Server");

  exit(0);
}

include('vcf.inc');


app = 'IBM WebSphere Application Server';
fix = 'Interim Fix PH13983';

get_install_count(app_name:app, exit_if_zero:TRUE);
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
if (!empty_or_null(app_info['Source']) && app_info['Source'] != 'unknown' && report_paranoia < 2)
  audit(AUDIT_PARANOID);

if ('PH13983' >< app_info['Fixes'])
  audit(AUDIT_INST_VER_NOT_VULN, app);

constraints = [
  {'min_version':'7.0.0.0', 'max_version':'7.0.0.45', 'fixed_version':fix},
  {'min_version':'8.0.0.0', 'max_version':'8.0.0.15', 'fixed_version':fix},
  {'min_version':'8.5.0.0', 'max_version':'8.5.5.16', 'fixed_version':'8.5.5.17 or ' + fix},
  {'min_version':'9.0.0.0', 'max_version':'9.0.5.1', 'fixed_version':'9.0.5.2 or ' + fix},
  {'min_version':'16.0.0.2', 'max_version':'19.0.0.10', 'fixed_version':'19.0.0.11 or ' + fix}
];

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