SAP NetWeaver AS ABAP and ABAP Information Disclosure (3044754)

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##

include('deprecated_nasl_level.inc');

include('compat.inc');

if (description)
{
  script_id(151762);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/07/19");

  script_cve_id("CVE-2021-33677");
  script_xref(name:"IAVA", value:"2021-A-0310");

  script_name(english:"SAP NetWeaver AS ABAP and ABAP Information Disclosure (3044754)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SAP NetWeaver server is affected by an information disclosure vulnerability.");
  script_set_attribute(attribute:"description", value:
"An information disclosure vulnerability exists in SAP NetWeaver Application Server ABAP. ABAP Server 
and ABAP Platform may expose functions externally that can lead to an information disclosure.

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://launchpad.support.sap.com/#/notes/3044754");
  # 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:"solution", value:
"Apply the appropriate patch according to the vendor advisory.");
  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: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-2021-33677");

  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:"2021/07/16");

  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) 2021 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 fix = 'See vendor advisory';
var constraints = [
    {'equal' : '700', 'fixed_display' : fix },
    {'equal' : '701', 'fixed_display' : fix },
    {'equal' : '702', 'fixed_display' : fix },
    {'equal' : '730', 'fixed_display' : fix },
    {'equal' : '731', 'fixed_display' : fix },
    {'equal' : '740', 'fixed_display' : fix },
    {'equal' : '750', 'fixed_display' : fix },
    {'equal' : '784', 'fixed_display' : fix },
    {'equal' : '804', 'fixed_display' : fix },
    {'equal' : 'DEV', 'fixed_display' : fix }
  ];

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