Python < 3.8.18, 3.9.x < 3.9.18, 3.10.x < 3.10.13, 3.11.x < 3.11.5 Security Bypass Vulnerability - Linux

# 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:/a:python:python";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.124416");
  script_version("2023-12-20T05:05:58+0000");
  script_tag(name:"last_modification", value:"2023-12-20 05:05:58 +0000 (Wed, 20 Dec 2023)");
  script_tag(name:"creation_date", value:"2023-08-29 15:02:31 +0000 (Tue, 29 Aug 2023)");
  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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-08-31 14:35:00 +0000 (Thu, 31 Aug 2023)");

  script_cve_id("CVE-2023-40217");

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

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

  script_name("Python < 3.8.18, 3.9.x < 3.9.18, 3.10.x < 3.10.13, 3.11.x < 3.11.5 Security Bypass Vulnerability - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2023 Greenbone AG");
  script_family("General");
  script_dependencies("gb_python_consolidation.nasl", "os_detection.nasl");
  script_mandatory_keys("python/detected", "Host/runs_unixoide");

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

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

  script_tag(name:"insight", value:"Instances of ssl.SSLSocket are vulnerable to a bypass of the
  TLS handshake and included protections (like certificate verification) and treating sent
  unencrypted data as if it were post-handshake TLS encrypted data if the socket is closed before
  initiating its own handshake.");

  script_tag(name:"affected", value:"Python version prior to 3.8.18, 3.9.x prior to 3.9.18, 3.10.x
  prior to 3.10.13 and 3.11.x prior to 3.11.5.");

  script_tag(name:"solution", value:"Update to version 3.8.18, 3.9.18, 3.10.13, 3.11.5 or later.");

  script_xref(name:"URL", value:"https://mail.python.org/archives/list/[email protected]/thread/PEPLII27KYHLF4AK3ZQGKYNCRERG4YXY/");

  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: "3.8.18" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "3.8.18", 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: "3.9.18" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "3.9.18", 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: "3.10.13" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "3.10.13", 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: "3.11.5" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "3.11.5", install_path: location );
  security_message( port: port, data: report );
  exit( 0 );
}

exit( 99 );