WordPress <= 4.8.2 Weak Password Hash Algorithm

# SPDX-FileCopyrightText: 2017 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-or-later

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.113048");
  script_version("2023-03-24T10:19:42+0000");
  script_tag(name:"last_modification", value:"2023-03-24 10:19:42 +0000 (Fri, 24 Mar 2023)");
  script_tag(name:"creation_date", value:"2017-11-09 13:53:54 +0100 (Thu, 09 Nov 2017)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2017-11-13 17:06:00 +0000 (Mon, 13 Nov 2017)");

  # Unreliable for Linux AND Windows, as some settings, PHP versions, etc. may circumvent the vulnerability
  script_tag(name:"qod_type", value:"remote_banner_unreliable");

  script_tag(name:"solution_type", value:"VendorFix");

  script_cve_id("CVE-2012-6707");

  script_name("WordPress <= 4.8.2 Weak Password Hash Algorithm");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_wordpress_http_detect.nasl");
  script_mandatory_keys("wordpress/detected");

  script_tag(name:"summary", value:"WordPress uses a weak MD5 password hashing algorithm.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the host.");

  script_tag(name:"impact", value:"The weak algorithm would allow an attacker with access to
  password hashes to more easily bruteforce those to acquire the cleartext passwords.");

  script_tag(name:"affected", value:"WordPress through version 4.8.2.");

  script_tag(name:"solution", value:"Update to version 4.8.3 or later.");

  script_xref(name:"URL", value:"https://core.trac.wordpress.org/ticket/21022");

  exit(0);
}

CPE = "cpe:/a:wordpress:wordpress";

include( "host_details.inc" );
include( "version_func.inc" );

if( ! port = get_app_port( cpe: CPE ) )
  exit( 0 );

if( ! version = get_app_version( cpe: CPE, port: port ) )
  exit( 0 );

if( version_is_less_equal( version: version, test_version: "4.8.2" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "4.8.3" );
  security_message( data: report, port: port );
  exit( 0 );
}

exit( 99 );