nstapelbroek / estate-crawler

Scraping the real estate agencies for up-to-date house listings as soon as they arrive!
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[Security] Bump cryptography from 3.3.1 to 3.3.2 #92

Closed dependabot-preview[bot] closed 3 years ago

dependabot-preview[bot] commented 3 years ago

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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