Python Symlink Dereference Vulnerability (Mar 2024) - Mac OS X

# SPDX-FileCopyrightText: 2024 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:python:python";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.170813");
  script_version("2024-10-11T15:39:44+0000");
  script_tag(name:"last_modification", value:"2024-10-11 15:39:44 +0000 (Fri, 11 Oct 2024)");
  # nb: This was initially a single VT but got split later into multiple due to different affected /
  # fixed versions. Thus the original creation_date of the first VT has been kept.
  script_tag(name:"creation_date", value:"2024-03-20 08:50:29 +0000 (Wed, 20 Mar 2024)");
  script_tag(name:"cvss_base", value:"5.6");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:H/Au:N/C:C/I:C/A:N");

  script_cve_id("CVE-2023-6597");

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

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

  script_name("Python Symlink Dereference Vulnerability (Mar 2024) - Mac OS X");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2024 Greenbone AG");
  script_family("General");
  script_dependencies("gb_python_consolidation.nasl");
  script_mandatory_keys("python/mac-os-x/detected");

  script_tag(name:"summary", value:"Python is prone to a symlink dereference vulnerability.");

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

  script_tag(name:"insight", value:"The tempfile.TemporaryDirectory class would dereference symlinks
  during cleanup of permissions-related errors. This means users which can run privileged programs
  are potentially able to modify permissions of files referenced by symlinks in some
  circumstances.");

  script_tag(name:"affected", value:"Python prior to version 3.8.19, 3.9.x prior to 3.9.19, 3.10.x
  prior to 3.10.14, 3.11.x prior to 3.11.8 and 3.12.x prior to 3.12.1.");

  script_tag(name:"solution", value:"Update to version 3.8.19, 3.9.19, 3.10.14, 3.11.8, 3.12.1
  or later.");

  script_xref(name:"URL", value:"https://discuss.python.org/t/python-3-10-14-3-9-19-and-3-8-19-is-now-available/48993");
  script_xref(name:"URL", value:"https://pythoninsider.blogspot.com/2024/03/python-31014-3919-and-3819-is-now.html");
  script_xref(name:"URL", value:"https://mail.python.org/archives/list/[email protected]/thread/Q5C6ATFC67K53XFV4KE45325S7NS62LD/");
  script_xref(name:"URL", value:"https://github.com/python/cpython/issues/91133");
  script_xref(name:"URL", value:"https://osv.dev/vulnerability/PSF-2024-1");

  exit(0);
}

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

if (isnull(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]+\.[0-9]+"))
  exit(0);

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

if (version_is_less(version: version, test_version: "3.8.19")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.8.19", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "3.9", test_version_up: "3.9.19")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.9.19", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "3.10", test_version_up: "3.10.14")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.10.14", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "3.11", test_version_up: "3.11.8")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.11.8", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "3.12", test_version_up: "3.12.1")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.12.1", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);