TenderMint from version 0.33.0 and before version 0.33.6 allows block proposers to include signatures for the wrong block. This may happen naturally if you start a network, have it run for some time and restart it (**without changing chainID**). A malicious block proposer (even with a minimal amount of stake) can use this vulnerability to completely halt the network. This issue is fixed in Tendermint 0.33.6 which checks all the signatures are for the block with 2/3+ majority before creating a commit.
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Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published: 2020-07-02T17:05:15
Updated: 2024-08-04T13:08:21.884Z
Reserved: 2020-06-25T00:00:00
Link: CVE-2020-15091
Vulnrichment
No data.
NVD
Status : Modified
Published: 2020-07-02T17:15:12.547
Modified: 2024-11-21T05:04:47.290
Link: CVE-2020-15091
Redhat
No data.