QNAP QTS Code Injection Vulnerability (QSA-23-01)

# SPDX-FileCopyrightText: 2023 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

CPE = "cpe:/o:qnap:qts";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.170301");
  script_version("2023-10-13T05:06:10+0000");
  script_tag(name:"last_modification", value:"2023-10-13 05:06:10 +0000 (Fri, 13 Oct 2023)");
  script_tag(name:"creation_date", value:"2023-01-31 13:20:35 +0000 (Tue, 31 Jan 2023)");
  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:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-02-01 14:40:00 +0000 (Wed, 01 Feb 2023)");

  script_cve_id("CVE-2022-27596");

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

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

  script_name("QNAP QTS Code Injection Vulnerability (QSA-23-01)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2023 Greenbone AG");
  script_family("General");
  script_dependencies("gb_qnap_nas_http_detect.nasl");
  script_mandatory_keys("qnap/nas/qts/detected");

  script_tag(name:"summary", value:"QNAP QTS is prone to a code injection vulnerability.");

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

  script_tag(name:"impact", value:"If exploited, this vulnerability allows remote attackers to inject
  malicious code.");

  script_tag(name:"affected", value:"QNAP QTS version 5.0.1.");

  script_tag(name:"solution", value:"Update to version 5.0.1.2234 build 20221201 or later.");

  script_xref(name:"URL", value:"https://www.qnap.com/en/security-advisory/qsa-23-01");
  script_xref(name:"URL", value:"https://www.qnap.com/en/release-notes/qts/5.0.1.2234/20221201");
  exit(0);
}

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

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

build = get_kb_item( "qnap/nas/qts/build" );

if ( version =~ "^5\.0\.1" ) {
  if ( version_is_less( version:version, test_version:"5.0.1.2234" ) ) {
    report = report_fixed_ver( installed_version:version, installed_build:build, fixed_version:"5.0.1.2234", fixed_build:"20221201" );
    security_message( port:0, data:report );
    exit( 0 );
  }

  if ( version_is_equal( version:version, test_version:"5.0.1.2234" ) &&
     ( ! build || version_is_less( version:build, test_version:"20221201" ) ) ) {
    report = report_fixed_ver( installed_version:version, installed_build:build, fixed_version:"5.0.1.2234", fixed_build:"20221201" );
    security_message( port:0, data:report );
    exit( 0 );
  }
}

exit( 99 );