SSL/TLS: Cert Issuer Policy Check Failed

# SPDX-FileCopyrightText: 2016 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.140040");
  script_version("2023-07-27T05:05:09+0000");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2023-07-27 05:05:09 +0000 (Thu, 27 Jul 2023)");
  script_tag(name:"creation_date", value:"2016-11-01 10:15:30 +0100 (Tue, 01 Nov 2016)");
  script_name("SSL/TLS: Cert Issuer Policy Check Failed");
  script_category(ACT_GATHER_INFO);
  script_family("Policy");
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_dependencies("Policy/gb_policy_cert_issuer.nasl");
  script_mandatory_keys("ssl_tls/port", "policy_cert_issuer/check_issuer", "policy_cert_issuer/run_test");

  script_tag(name:"summary", value:"This script reports if the SSL/TLS certificate is not signed by the given issuer.");

  script_tag(name:"solution", value:"Update or reconfigure the affected service / system / host according to the
  policy requirement.");

  script_tag(name:"qod_type", value:"remote_banner");
  script_tag(name:"solution_type", value:"Mitigation");

  exit(0);
}

include("ssl_funcs.inc");

if( ! port = tls_ssl_get_port() )
  exit( 0 );

if( ! failed = get_kb_item( "policy_cert_issuer/" + port + "/failed" ) )
  exit( 0 );

issuer = get_kb_item( "policy_cert_issuer/" + port + "/issuer" );
check_issuer = get_kb_item( "policy_cert_issuer/check_issuer" );

report = 'The issuer `' + issuer + '` is not matching the given issuer `' + check_issuer  + '`.';

security_message( port:port, data:report );

exit( 0 );