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[Security] Bump eventlet from 0.30.1 to 0.31.0 #19

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Bumps eventlet from 0.30.1 to 0.31.0. This update includes a security fix.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Improper Handling of Highly Compressed Data (Data Amplification) and Memory Allocation with Excessive Size Value in eventlet

Impact

A websocket peer may exhaust memory on Eventlet side by sending very large websocket frames. Malicious peer may exhaust memory on Eventlet side by sending highly compressed data frame.

Patches

Version 0.31.0 restricts websocket frame to reasonable limits.

Workarounds

Restricting memory usage via OS limits would help against overall machine exhaustion. No workaround to protect Eventlet process.

For more information

If you have any questions or comments about this advisory:

Affected versions: >= 0.10, < 0.31.0

Changelog

Sourced from eventlet's changelog.

0.31.0

0.30.3

  • wsgi: websocket ALREADY_HANDLED flag on corolocal
  • green.ssl: Set suppress_ragged_eofs default based on SSLSocket defaults
  • greenio: socket.connect_ex returned None instead of 0 on success
  • Use _imp instead of deprecated imp

0.30.2

Commits
  • f717f38 v0.31.0 release
  • 1412f5e websocket: Limit maximum uncompressed frame length to 8MiB
  • b0be94e v0.30.3 release
  • df0bc00 wsgi: websocket ALREADY_HANDLED flag on corolocal
  • 377b4fb green.ssl: Set suppress_ragged_eofs default based on SSLSocket defaults
  • 71b76bf Security Policy
  • 50441fc greenio: socket.connect_ex returned None instead of 0 on success
  • e16fcab Use _imp instead of deprecated imp
  • 83b14ed v0.30.2 release
  • 79cf4ea greendns: Patch ssl
  • See full diff in compare view

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Bumps [eventlet](https://github.com/eventlet/eventlet) from 0.30.1 to 0.31.0. **This update includes a security fix.**
- [Release notes](https://github.com/eventlet/eventlet/releases)
- [Changelog](https://github.com/eventlet/eventlet/blob/master/NEWS)
- [Commits](eventlet/eventlet@v0.30.1...v0.31.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>
@dependabot-preview dependabot-preview bot added dependencies Pull requests that update a dependency file security Pull requests that address a security vulnerability labels May 7, 2021
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