IBM WebSphere Application Server 7.0.x / 8.0.0.x / 8.5.x < 8.5.5.17 / 9.0.0.x < 9.0.5.2 Information Disclosure (CVE-2019-4477)

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

include("compat.inc");

if (description)
{
  script_id(129097);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/11/30");

  script_cve_id("CVE-2019-4477");

  script_name(english:"IBM WebSphere Application Server 7.0.x / 8.0.0.x / 8.5.x < 8.5.5.17 / 9.0.0.x < 9.0.5.2 Information Disclosure (CVE-2019-4477)");
  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.x, 8.0.0.x, 8.5.0.x prior to 8.5.5.17, or 9.0.0.x prior to 9.0.5.2.
It is, therefore, affected by an information disclosure
vulnerability. An authenticated remote attacker can exploit this by
leveraging improper handling of command line options in order to obtain
sensitive information.");
  script_set_attribute(attribute:"see_also", value:"https://www.ibm.com/support/pages/node/960290");
  script_set_attribute(attribute:"solution", value:
"Upgrade to IBM WebSphere Application Server 8.5.5.17 or 9.0.5.2 or later. 
Alternatively, upgrade to the minimal fix pack levels required by the interim 
fix and then apply Interim Fix PH11248.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/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:L/UI:N/S:U/C:H/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-2019-4477");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/09/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/09/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/09/20");

  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 PH11248";

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 ('PH11248' >< 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}
];

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