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HistoryFeb 14, 2022 - 12:00 a.m.

Python urllib.parse Vulnerability (bpo-43882) - Windows

2022-02-1400:00:00
Copyright (C) 2022 Greenbone AG
plugins.openvas.org

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.8 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.5%

Python is prone to a vulnerability urllib.parse.

# SPDX-FileCopyrightText: 2022 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("1.3.6.1.4.1.25623.1.0.147631");
  script_version("2023-07-05T05:06:18+0000");
  script_tag(name:"last_modification", value:"2023-07-05 05:06:18 +0000 (Wed, 05 Jul 2023)");
  script_tag(name:"creation_date", value:"2022-02-14 05:44:48 +0000 (Mon, 14 Feb 2022)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-02-17 22:17:00 +0000 (Thu, 17 Feb 2022)");

  script_cve_id("CVE-2022-0391");

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

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

  script_name("Python urllib.parse Vulnerability (bpo-43882) - Windows");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("General");
  script_dependencies("gb_python_consolidation.nasl", "os_detection.nasl");
  script_mandatory_keys("python/detected", "Host/runs_windows");

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

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

  script_tag(name:"insight", value:"A flaw was found in Python, specifically within the
  urllib.parse module. This module helps break Uniform Resource Locator (URL) strings into
  components. The issue involves how the urlparse method does not sanitize input and allows
  characters like '\r' and '\n' in the URL path. This flaw allows an attacker to input a crafted
  URL, leading to injection attacks.");

  script_tag(name:"affected", value:"Python prior to version 3.6.14, version 3.7.x through 3.7.10,
  3.8.x through 3.8.10 and 3.9.x through 3.9.4.");

  script_tag(name:"solution", value:"Update to version 3.6.14, 3.7.11, 3.8.11, 3.9.5 or later.");

  script_xref(name:"URL", value:"https://python-security.readthedocs.io/vuln/urllib_parse_newline_tabs.html");
  script_xref(name:"Advisory-ID", value:"bpo-43882");

  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: "3.6.14")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.6.14", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "3.7.0", test_version_up: "3.7.11")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.7.11", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "3.8.0", test_version_up: "3.8.11")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.8.11", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "3.9.0", test_version_up: "3.9.5")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.9.5", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.8 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.5%