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[Security] Bump cryptography from 3.3.1 to 3.4.1 #607

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Bumps cryptography from 3.3.1 to 3.4.1.

Changelog

Sourced from cryptography's changelog.

3.4.1 - 2021-02-07

  • Fixed a circular import issue.
  • Added additional debug output to assist users seeing installation errors due to outdated pip or missing rustc.

3.4 - 2021-02-07

  • BACKWARDS INCOMPATIBLE: Support for Python 2 has been removed.
  • We now ship manylinux2014 wheels and no longer ship manylinux1 wheels. Users should upgrade to the latest pip to ensure this doesn't cause issues downloading wheels on their platform.
  • cryptography now incorporates Rust code. Users building cryptography themselves will need to have the Rust toolchain installed. Users who use an officially produced wheel will not need to make any changes. The minimum supported Rust version is 1.45.0.
  • cryptography now has 484 type hints on nearly all of of its public APIs. Users can begin using them to type check their code with mypy.

3.3.2 - 2021-02-07

  • SECURITY ISSUE: Fixed a bug where certain sequences of update() calls when symmetrically encrypting very large payloads (>2GB) could result in an integer overflow, leading to buffer overflows. CVE-2020-36242
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Bumps [cryptography](https://github.com/pyca/cryptography) from 3.3.1 to 3.4.1.
- [Release notes](https://github.com/pyca/cryptography/releases)
- [Changelog](https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst)
- [Commits](pyca/cryptography@3.3.1...3.4.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
@dependabot-preview dependabot-preview bot added the dependencies Pull requests that update a dependency file label Feb 8, 2021
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One of your CI runs failed on this pull request, so Dependabot won't merge it.

Dependabot will still automatically merge this pull request if you amend it and your tests pass.

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We've just been alerted that this update fixes a security vulnerability:

Sourced from The GitHub Security Advisory Database.

Symmetrically encrypting large values can lead to integer overflow

Impact

When certain sequences of update() calls with large values (multiple GBs) for symetric encryption or decryption occur, it's possible for an integer overflow to happen, leading to mishandling of buffers.

Patches

This is patched in version 3.3.2 and newer.

References

Affected versions: [">= 3.1, < 3.3.2"]

@dependabot-preview dependabot-preview bot changed the title Bump cryptography from 3.3.1 to 3.4.1 [Security] Bump cryptography from 3.3.1 to 3.4.1 Feb 10, 2021
@dependabot-preview dependabot-preview bot added the security Pull requests that address a security vulnerability label Feb 10, 2021
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