Cisco Adaptive Security Appliance Software Web-Based Management Interface Privilege Escalation Vulnerability

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

include('compat.inc');

if (description)
{
  script_id(137052);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/05/26");

  script_cve_id("CVE-2019-1934");
  script_xref(name:"CISCO-BUG-ID", value:"CSCvp09150");
  script_xref(name:"CISCO-SA", value:"cisco-sa-20190807-asa-privescala");

  script_name(english:"Cisco Adaptive Security Appliance Software Web-Based Management Interface Privilege Escalation Vulnerability");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, Cisco Adaptive Security Appliance (ASA) Software is affected by a vulnerability.
Please see the included Cisco BIDs and Cisco Security Advisory for more information");
  # https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190807-asa-privescala
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?3324f60e");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvp09150");
  script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvp09150");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P");
  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:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-1934");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_cwe_id(285);

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/08/07");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/08/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/06/02");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:adaptive_security_appliance_software");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CISCO");

  script_copyright(english:"This script is Copyright (C) 2020-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "os_fingerprint.nasl");
  script_require_keys("Host/Cisco/ASA", "Host/Cisco/ASA/model");

  exit(0);
}

include('audit.inc');
include('cisco_workarounds.inc');
include('ccf.inc');

product_info = cisco::get_product_info(name:'Cisco Adaptive Security Appliance (ASA) Software');

workarounds = make_list(CISCO_WORKAROUNDS['generic_workaround']);
workaround_params = WORKAROUND_CONFIG['ASA_HTTP_Server'];

vuln_ranges = [
  {'min_ver' : '8.2',   'fix_ver' : '9.4.4.37'},
  {'min_ver' : '9.5',   'fix_ver' : '9.6.4.30'},
  {'min_ver' : '9.7',   'fix_ver' : '9.8.4.7'},
  {'min_ver' : '9.9',   'fix_ver' : '9.9.2.50'},
  {'min_ver' : '9.10',  'fix_ver' : '9.10.1.22'},
  {'min_ver' : '9.12',  'fix_ver' : '9.12.2'}
];

reporting = make_array(
'port'     , 0,
'severity' , SECURITY_WARNING,
'version'  , product_info['version'],
'bug_id'   , 'CSCvp09150',
'cmds'     , make_list('show running-config')
);

cisco::check_and_report(
  product_info:product_info,
  workarounds:workarounds,
  workaround_params:workaround_params,
  reporting:reporting,
  vuln_ranges:vuln_ranges
);