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[ENG-8501] Upgrade tornado version to "6.5.1" #398

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mkovalua
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@mkovalua mkovalua commented Aug 6, 2025

Ticket

https://openscience.atlassian.net/browse/ENG-8501

Purpose

Summary
When Tornado's multipart/form-data parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume of logs, constituting a DoS attack. This DoS is compounded by the fact that the logging subsystem is synchronous.

Affected versions
All versions of Tornado prior to 6.5 are affected. The vulnerable parser is enabled by default.

Changes

Upgrade to Tornado version 6.5. In the meantime, risk can be mitigated by blocking Content-Type: multipart/form-data in a proxy. It looks like there is no breaking changings in backlog https://www.tornadoweb.org/en/stable/releases/v6.5.0.html , so no code changings is needed.

added the changing to the PR #395 to keep it changings .

Side effects

MFR rely on waterbutler so WB merging is needed to be done first of all to keep system consistent, am going to update back to #waterbutler = { git = "https://github.com/CenterForOpenScience/waterbutler.git", branch = feature/buff-worms" } after the updates CenterForOpenScience/waterbutler#461 will be merged

image

QA Notes

FYI:

I see that Tornado has 6.5.1 version already that looks to be more stable with non latin chars (locally it goes ok with testing such a chars for 6.5.0 but there is many of them so maybe it is better to migrate to 6.5.1)?

image

Deployment Notes

@coveralls
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coveralls commented Aug 6, 2025

Coverage Status

coverage: 68.66% (+0.07%) from 68.586%
when pulling 1ee6674 on mkovalua:fix/ENG-8501
into 231f5be on CenterForOpenScience:feature/buff-worms.

@cslzchen cslzchen marked this pull request as ready for review August 7, 2025 19:46
@cslzchen cslzchen changed the title [ENG-8501] migrate tornado version to "6.5.0" [ENG-8501] Upgrade tornado version to "6.5.1" Aug 7, 2025
@cslzchen cslzchen marked this pull request as draft August 7, 2025 19:46
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As mentioned, let's rework this on top of the latest feature branch without the ruff work.

Comment on lines -46 to +47
waterbutler = { git = "https://github.com/CenterForOpenScience/waterbutler.git", branch = "feature/buff-worms" }
#waterbutler = { git = "https://github.com/CenterForOpenScience/waterbutler.git", branch = feature/buff-worms" }
waterbutler = { git = "https://github.com/Vlad0n20/waterbutler.git", branch = "feature/ENG-8500" }
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@cslzchen cslzchen Aug 7, 2025

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In addition, let's don't change this for now since the WB PR will be merged before this one.

@mkovalua
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mkovalua commented Aug 7, 2025

close because will move ruff for post release

updates for tornado there
#399

@mkovalua mkovalua closed this Aug 7, 2025
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3 participants