This release fixes a downstream security issue which impacts Cosmos SDK
users who are:
Using Cosmos SDK v0.40.0 or later, AND
Running validator nodes, AND
Using the file-based FilePV implementation for their consensus keys
Users who fulfill all the above criteria were susceptible to leaking
private key material in the logs. All other users are unaffected.
The root cause was a discrepancy
between the Tendermint Core (untyped) logger and the Cosmos SDK (typed) logger:
Tendermint Core's logger automatically stringifies Go interfaces whenever possible;
however, the Cosmos SDK's logger uses reflection to log the fields within a Go interface.
The introduction of the typed logger meant that previously un-logged fields within
interfaces are now sometimes logged, including the private key material inside the
FilePV struct.
Tendermint Core v0.34.7 fixes this issue; however, we strongly recommend that all validators
use remote signer implementations instead of FilePV in production.
Thank you to @joe-bowman for his assistance with this vulnerability and a particular
shout-out to @marbar3778 for diagnosing it quickly.
[consensus] #6128 Remove privValidator from log call (@tessr)
v0.34.6
February 18, 2021
Tendermint Core v0.34.5 and v0.34.6 have been recalled due to build tooling problems.
v0.34.4
February 11, 2021
This release includes a fix for a memory leak in the evidence reactor (see #6068, below).
All Tendermint clients are recommended to upgrade.
Thank you to our friends at Crypto.com for the initial report of this memory leak!
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dependabot[bot]
commented
3 years ago
Bumps github.com/tendermint/tendermint from 0.33.9 to 0.34.7.
Release notes
Sourced from github.com/tendermint/tendermint's releases.
Changelog
Sourced from github.com/tendermint/tendermint's changelog.
... (truncated)
Commits
15eb2c2.goreleaser: remove arm64 build instructions and bump changelog again (#6131)e4d2893changelog: bump to v0.34.6afd0709Revert "tooling: remove tools/Makefile (bp #6102) (#6106)"340071dchangelog: update for 0.34.5 (#6129)53d40e1consensus: remove privValidator from log call (#6128)bedb00dconsensus: Groom Logs (#5917)1030072changelog: update 0.34.3 changelog with details on security vuln (bp #6108) (...1b2174atooling: remove tools/Makefile (bp #6102) (#6106)6bac9d9makefile: remove call to tools (#6104)5efbbabchangelog: improve with suggestions from@melekes(#6097)Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
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