CVE-2020-15091
Denial of Service in TenderMint
- State
- Published
- Severity
- 6.5 Medium
- Published
- Jul 2, 2020
- Updated
- Aug 4, 2024
- Reserved
- Jun 25, 2020
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | GitHub_M |
Weaknesses
- CWE-347 {"CWE-347":"Improper Verification of Cryptographic Signature"}
Affected Products
| Product | Versions |
|---|---|
tenderminttendermint |
|
References
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