system: You are an expert security code reviewer. You will be shown a source code file along with a multi-select question listing several CWE (Common Weakness Enumeration) categories. Your task is to identify which of the listed CWEs are present in the code.

OUTPUT FORMAT: Respond with the letter(s) of all correct options, sorted alphabetically and comma-separated, wrapped in a single \boxed{...}. Examples: `\boxed{A}` for one correct, `\boxed{A,C}` for two, `\boxed{A,C,E}` for three. Output the boxed answer ONLY -- no explanation, no other text.

user: ```python
# Copyright 2021 Red Hat
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""
Abstractions around the kubectl-package binary.
"""

import os
import platform
import re

from semver import VersionInfo

from sretoolbox.binaries.base import Binary


class KubectlPackage(Binary):
    """
    Defines the properties of KubectlPackage.
    """
    system = platform.system().lower()
    machine = platform.machine()
    if machine == "x86_64":
        sanitized_machine = "amd64"
    else:
        sanitized_machine = machine

    binary_template = f"kubectl-package_{system}_{sanitized_machine}"
    download_url_template = (
        "https://github.com/package-operator/"
        "package-operator/releases/download/"
        "v{major}.{minor}.{patch}/"
        f"kubectl-package_{system}_{sanitized_machine}"
    )

    def get_version_command(self):
        """
        Gets the command and its option(s) to check the version.

        :return: version command
        :rtype: list
        """
        return [self.command, "--version"]

    def parse_version(self, version):
        """
        Parses version string as returned by the command execution
        to a VersionInfo instance.

        :param version: the return from the version command
        :type version: str

        :return: the parsed version as a VersionInfo object
        :rtype: VersionInfo
        """
        match = re.search(r"\d+\.\d+\.\d+", version)
        return VersionInfo.parse(version=match.group(0) if match else "")

    def process_download(self, path):
        """
        Processes a downloaded file and returns the executable binary path.

        :param path: The downloaded file path
        :return: The executable binary path.
        """
        bin_path = f"{self.download_path}/{self.binary}"
        os.chmod(bin_path, 0o777)
        return bin_path

```

Which of the following CWE vulnerability categories are present in this code? Multiple options may be correct.

  A) CWE-377: Insecure Temporary File
  B) CWE-732: Incorrect Permission Assignment for Critical Resource
  C) CWE-312: Cleartext Storage of Sensitive Information
  D) CWE-116: Improper Encoding or Escaping of Output
  E) CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
  F) CWE-20: Improper Input Validation
Answer: B