Cisco Email Security Appliance Arbitrary Code Execution (cisco-sa-esa-sma-privesc-9DVkFpJ8)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(171791);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/03/14");

  script_cve_id("CVE-2023-20075");
  script_xref(name:"CISCO-BUG-ID", value:"CSCwd50043");
  script_xref(name:"CISCO-SA", value:"cisco-sa-esa-sma-privesc-9DVkFpJ8");
  script_xref(name:"IAVA", value:"2023-A-0107");

  script_name(english:"Cisco Email Security Appliance Arbitrary Code Execution (cisco-sa-esa-sma-privesc-9DVkFpJ8)");

  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 Email Security Appliance is affected by  vulnerability in the CLI of 
Cisco ESA could allow an authenticated, local attacker to execute arbitrary commands on an affected device. This 
vulnerability is due to improper input validation in the CLI. An attacker could exploit this vulnerability by injecting
operating system commands into a legitimate command. A successful exploit could allow the attacker to escape the 
restricted command prompt and execute arbitrary commands on the underlying operating system as the CLI process user. 
To successfully exploit this vulnerability, an attacker must have valid user credentials with Operator-level privileges
or higher.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.");
  # https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-sma-privesc-9DVkFpJ8
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?93abb59b");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwd50043");
  script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCwd50043");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:H/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-2023-20075");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/02/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/02/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/02/22");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:email_security_appliance");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

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

  script_dependencies("cisco_esa_version.nasl");
  script_require_keys("Host/AsyncOS/Cisco Email Security Appliance/Version", "Settings/ParanoidReport");

  exit(0);
}

include('ccf.inc');

var product_info = cisco::get_product_info(name:'Cisco Email Security Appliance (ESA)');

# We cannot test for LDAP or external authentication
if (report_paranoia < 2)
  audit(AUDIT_PARANOID);

var vuln_ranges = [
  { 'min_ver' : '12.5', 'fix_ver' : '12.5.4.041'},
  { 'min_ver' : '13.0', 'fix_ver' : '13.0.5.007' },
  { 'min_ver' : '13.5', 'fix_ver' : '13.5.4.038' },
  { 'min_ver' : '14.0', 'fix_ver' : '14.2.1.020' }
];

var reporting = make_array(
  'port'          , 0,
  'severity'      , SECURITY_WARNING,
  'version'       , product_info['version'],
  'bug_id'        , 'CSCwd50043',
  'disable_caveat', TRUE
);

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