IBM WebSphere Application Server 7.0.0.x <= 7.0.0.45 / 8.0.0.x <= 8.0.0.15 / 8.5.x < 8.5.5.16 / 9.0.0.x < 9.0.0.11 Information Disclosure Vulnerability (CVE-2018-1996)

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

include("compat.inc");

if (description)
{
  script_id(124023);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/11/30");

  script_cve_id("CVE-2018-1996");
  script_bugtraq_id(105954);

  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 < 8.5.5.16 / 9.0.0.x < 9.0.0.11 Information Disclosure Vulnerability (CVE-2018-1996)");
  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.x
prior to 8.5.5.16, or 9.0.0.x prior to 9.0.0.11. It is, therefore,
affected by a potential information disclosure vulnerability. An
improper TLS configuration could cause the IBM WebSphere Application
Server to provider weaker than expected security. A remote attacker
could exploit this to disclose sensitive information using a man in
the middle attack.");
  script_set_attribute(attribute:"see_also", value:"https://www-01.ibm.com/support/docview.wss?uid=ibm10793421");
  script_set_attribute(attribute:"solution", value:
"Upgrade to IBM WebSphere Application Server 8.5.5.16 or 9.0.0.11 or
later. Alternatively, upgrade to the minimal fix pack levels required
by the interim fix and then apply Interim Fix PH05769.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:H/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-2018-1996");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/02/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/02/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/04/12");

  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 PH05769";

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 ('PH05769' >< 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":"8.5.5.15", "fixed_version":"8.5.5.16 or " + fix},
  {"min_version":"9.0.0.0", "max_version":"9.0.0.10",  "fixed_version":"9.0.0.11 or " + fix}
];

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