SAP NetWeaver AS Java Information Disclosure (Enterprise Portal) (3059764)

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

include('compat.inc');

if (description)
{
  script_id(162414);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/03/23");

  script_cve_id("CVE-2021-33687");
  script_xref(name:"IAVA", value:"2021-A-0310");

  script_name(english:"SAP NetWeaver AS Java Information Disclosure (Enterprise Portal) (3059764)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SAP NetWeaver AS Java server may be affected by a information disclosure vulnerability.");
  script_set_attribute(attribute:"description", value:
"SAP NetWeaver AS JAVA (Enterprise Portal), versions - 7.10, 7.20, 7.30, 7.31, 7.40, 7.50 reveals sensitive information 
in one of their HTTP requests, an attacker can use this in conjunction with other attacks such as XSS to steal this 
information.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?39f0ff28");
  script_set_attribute(attribute:"see_also", value:"https://launchpad.support.sap.com/#/notes/3059764");
  script_set_attribute(attribute:"solution", value:
"Apply the appropriate patch according to the vendor advisory.");
  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:H/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-2021-33687");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/07/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/07/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/06/21");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:sap:netweaver_application_server");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("sap_netweaver_as_web_detect.nbin");
  script_require_keys("installed_sw/SAP Netweaver Application Server (AS)", "Settings/ParanoidReport");
  script_require_ports("Services/www", 80, 443, 8000, 50000);

  exit(0);
}

include('vcf_extras_sap.inc');

if (report_paranoia < 2) audit(AUDIT_PARANOID);

var app_info = vcf::sap_netweaver_as::get_app_info();

var constraints = [
  {'min_version' : '7.10', 'max_version' : '7.11', 'fixed_display' : 'See vendor advisory' },
  {'equal' : '7.20', 'fixed_display' : 'See vendor advisory' },
  {'equal' : '7.30', 'fixed_display' : 'See vendor advisory' },
  {'equal' : '7.31', 'fixed_display' : 'See vendor advisory' },
  {'equal' : '7.40', 'fixed_display' : 'See vendor advisory' },
  {'equal' : '7.50', 'fixed_display' : 'See vendor advisory' }
];

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