Drupal 7.x, 8.x, 9.x RCE Vulnerability (SA-CORE-2020-013) - Linux

# SPDX-FileCopyrightText: 2020 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:/a:drupal:drupal";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.144924");
  script_version("2024-02-19T05:05:57+0000");
  script_tag(name:"last_modification", value:"2024-02-19 05:05:57 +0000 (Mon, 19 Feb 2024)");
  script_tag(name:"creation_date", value:"2020-11-30 03:46:20 +0000 (Mon, 30 Nov 2020)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-02-02 14:36:00 +0000 (Tue, 02 Feb 2021)");

  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2020-28948", "CVE-2020-28949");

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

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

  script_name("Drupal 7.x, 8.x, 9.x RCE Vulnerability (SA-CORE-2020-013) - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_drupal_http_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("drupal/detected", "Host/runs_unixoide");

  script_tag(name:"summary", value:"Drupal is prone to a remote code execution (RCE) vulnerability.");

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

  script_tag(name:"insight", value:"The Drupal project uses the PEAR Archive_Tar library. The PEAR Archive_Tar
  library has released a security update that impacts Drupal. Multiple vulnerabilities are possible if Drupal is
  configured to allow .tar, .tar.gz, .bz2, or .tlz file uploads and processes them.");

  script_tag(name:"affected", value:"Drupal 7.x, 8.8.x and prior, 8.9.x and 9.0.x.");

  script_tag(name:"solution", value:"Update to version 7.75, 8.8.12, 8.9.10, 9.0.9 or later. To mitigate this
  issue, prevent untrusted users from uploading .tar, .tar.gz, .bz2, or .tlz files.");

  script_xref(name:"URL", value:"https://www.drupal.org/sa-core-2020-013");

  exit(0);
}

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

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

if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE, version_regex: "^[0-9]\.[0-9]+"))
  exit(0);

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

if (version_is_less(version: version, test_version: "7.75")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "7.75", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "8.0", test_version2: "8.8.11")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "8.8.12", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "8.9", test_version2: "8.9.9")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "8.9.10", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "9.0", test_version2: "9.0.8")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "9.0.9", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);