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⬆️🔒 Bump rsa from 4.0 to 4.1 #219

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Bumps rsa from 4.0 to 4.1. This update includes a security fix.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Access Restriction Bypass Python-RSA 4.0 ignores leading '\0' bytes during decryption of ciphertext. This could conceivably have a security-relevant impact, e.g., by helping an attacker to infer that an application uses Python-RSA, or if the length of accepted ciphertext affects application behavior (such as by causing excessive memory allocation).

Affected versions: < 4.1

Changelog

Sourced from rsa's changelog.

Version 4.1 - released 2020-06-10

  • Added support for Python 3.8.
  • Dropped support for Python 2 and 3.4.
  • Added type annotations to the source code. This will make Python-RSA easier to use in your IDE, and allows better type checking.
  • Added static type checking via MyPy.
  • Fix #129 Installing from source gives UnicodeDecodeError.
  • Switched to using Poetry for package management.
  • Added support for SHA3 hashing: SHA3-256, SHA3-384, SHA3-512. This is natively supported by Python 3.6+ and supported via a third-party library on Python 3.5.
  • Choose blinding factor relatively prime to N. Thanks Christian Heimes for pointing this out.
  • Reject cyphertexts (when decrypting) and signatures (when verifying) that have been modified by prepending zero bytes. This resolves CVE-2020-13757. Thanks Adelapie for pointing this out.
Commits
  • c6731b1 Bumped version to 4.1
  • 80f0e9d Marked version 4.1 as released
  • 65ab5b5 Add support for Python 3.8
  • 9ecf340 Fixed credit for report
  • 93af6f2 Fix CVE-2020-13757: detect cyphertext modifications by prepending zero bytes
  • ae1a906 Add more type hints
  • 1473cb8 Drop character encoding markers for Python 2.x
  • 8ed5071 Choose blinding factor relatively prime to N
  • 1659432 Updated Code Climate badge in README.md
  • 96e13dd Configured CodeClimate
  • Additional commits viewable in compare view

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Bumps [rsa](https://github.com/sybrenstuvel/python-rsa) from 4.0 to 4.1. **This update includes a security fix.**
- [Release notes](https://github.com/sybrenstuvel/python-rsa/releases)
- [Changelog](https://github.com/sybrenstuvel/python-rsa/blob/main/CHANGELOG.md)
- [Commits](sybrenstuvel/python-rsa@version-4.0...version-4.1)

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@dependabot-preview dependabot-preview bot added dependencies Pull requests that update a dependency file security Pull requests that address a security vulnerability labels Mar 24, 2021
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