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[Security] Bump cryptography from 3.3.1 to 3.3.2 #96

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merged 1 commit into from
Feb 10, 2021

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Bumps cryptography from 3.3.1 to 3.3.2. This update includes a security fix.

Vulnerabilities fixed

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

Changelog

Sourced from cryptography's changelog.

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 3.3.2. **This update includes a security fix.**
- [Release notes](https://github.com/pyca/cryptography/releases)
- [Changelog](https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst)
- [Commits](pyca/cryptography@3.3.1...3.3.2)

Signed-off-by: dependabot-preview[bot] <[email protected]>
@dependabot-preview dependabot-preview bot added dependencies Pull requests that update a dependency file security Address a security vulnerability skip-changelog The PR will not appear in the release changelogs labels Feb 10, 2021
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bors merge

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bors bot commented Feb 10, 2021

Build succeeded:

@bors bors bot merged commit de09dcf into master Feb 10, 2021
@bors bors bot deleted the dependabot/pip/cryptography-3.3.2 branch February 10, 2021 08:54
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