Mutt <= 2.0.4 DoS Vulnerability

# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.0.113807");
  script_version("2023-09-12T05:05:19+0000");
  script_tag(name:"last_modification", value:"2023-09-12 05:05:19 +0000 (Tue, 12 Sep 2023)");
  script_tag(name:"creation_date", value:"2021-03-24 11:06:25 +0000 (Wed, 24 Mar 2021)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-02-17 17:08:00 +0000 (Wed, 17 Feb 2021)");

  script_tag(name:"qod_type", value:"executable_version_unreliable");

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

  script_cve_id("CVE-2021-3181");

  script_name("Mutt <= 2.0.4 DoS Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_mutt_ssh_login_detect.nasl");
  script_mandatory_keys("mutt/detected");

  script_tag(name:"summary", value:"Mutt is prone to a denial of service (DoS) vulnerability.");

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

  script_tag(name:"insight", value:"An attacker may send a sequence of semicolon characters in the
  RFC822 address fields, which will cause large memory consumption and render the mailbox
  unavailable.");

  script_tag(name:"affected", value:"Mutt through version 2.0.4.");

  script_tag(name:"solution", value:"Update to version 2.0.5 or later.");

  script_xref(name:"URL", value:"https://www.openwall.com/lists/oss-security/2021/01/19/10");
  script_xref(name:"URL", value:"http://www.mutt.org/news.html");

  exit(0);
}

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

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

if( ! infos = get_app_version_and_location( cpe: CPE, exit_no_version: TRUE ) )
  exit( 0 );

version = infos["version"];
location = infos["location"];

if( version_is_less( version: version, test_version: "2.0.5" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "2.0.5", install_path: location );
  security_message( data: report, port: 0 );
  exit( 0 );
}

exit( 99 );