CVE-2021-21271

Tendermint Core CVE-2021-21271 describes a DoS due to timestamp miscalculation of DuplicateVoteEvidence during consensus. In v0.34.0–v0.34.2, the consensus reactor formed DuplicateVoteEvidence using last-commit timestamps, which could differ across nodes for the same height since a block hadn’t f...

CVE-2021-21271

Tendermint Core is an open source Byzantine Fault Tolerant BFT middleware that takes a state transition machine - written in any programming language - and securely replicates it on many machines. Tendermint Core v0.34.0 introduced a new way of handling evidence of misbehavior. As part of this, w...

PT-2021-14378 · Unknown · Tendermint Core

Name of the Vulnerable Software and Affected Versions: Tendermint Core versions 0.34.0 through 0.34.2 Description: The issue arises from the mishandling of timestamps during the consensus process in Tendermint Core, which can cause a denial of service. When double signs are observed, the consensu...

CVE-2021-21271: Uncontrolled Resource Consumption

Tendermint Core is an open source Byzantine Fault Tolerant BFT middleware that takes a state transition machine - written in any programming language - and securely replicates it on many machines. Tendermint Core v0.34.0 introduced a new way of handling evidence of misbehavior. As part of this, w...

Tendermint Resource Management Error Vulnerability

Tendermint is a Byzantine Fault Tolerant BFT style middleware from Tendermint, Inc. in the United States. A security vulnerability exists in Tendermint Core, which stems from the fact that any node with an invalid DuplicateVoteEvidence will present invalid evidence...

Denial Of Service (DoS)

github.com/tendermint/tendermint is vulnerable to denial of service DoS. The vulnerability exists as it allowed signatures to be included for the wrong block, causing the commits not to validate and invalidating the proposed blocks...

Tendermint Data Forgery Issue Vulnerability

Tendermint is a Byzantine Fault Tolerant BFT style middleware from Tendermint Inc. in the United States. A data forgery vulnerability exists in Tendermint v0.33.0 and later versions fixed in v0.33.6. The vulnerability arises from a network system or product that does not adequately validate the...

CVE-2020-15091

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...

CVE-2020-15091

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...

Design/Logic Flaw

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...

CVE-2020-15091

CVE-2020-15091 affects Tendermint up to v0.33.6: versions 0.33.0 through 0.33.5 allow a block proposer to include signatures for the wrong block, potentially halting the network. The root cause is signatures not guaranteed to correspond to the committed block, enabling a DoS condition where commi...

CVE-2020-15091

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...

CVE-2020-15091 Denial of Service in TenderMint

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...

PT-2020-14176

Name of the Vulnerable Software and Affected Versions TenderMint versions 0.33.0 through 0.33.5 Description The issue allows block proposers to include signatures for the wrong block, which can happen naturally if a network is started, run for some time, and then restarted without changing the...

CVE-2020-15091: Improper Verification of Cryptographic Signature

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...

Tendermint Denial of Service Vulnerability

Tendermint is a Byzantine Fault Tolerant BFT style middleware from Tendermint Inc. in the United States. A denial of service vulnerability exists in Tendermint versions prior to 0.33.3, 0.32.10, and 0.31.12, which stems from the program failing to limit the number of P2P connection requests. An...

CVE-2020-5303

Tendermint before versions 0.33.3, 0.32.10, and 0.31.12 has a denial-of-service vulnerability. Tendermint does not limit the number of P2P connection requests. For each p2p connection, it allocates XXX bytes. Even though this memory is garbage collected once the connection is terminated due to...

CVE-2020-5303

Tendermint before versions 0.33.3, 0.32.10, and 0.31.12 has a denial-of-service vulnerability. Tendermint does not limit the number of P2P connection requests. For each p2p connection, it allocates XXX bytes. Even though this memory is garbage collected once the connection is terminated due to...

Design/Logic Flaw

Tendermint before versions 0.33.3, 0.32.10, and 0.31.12 has a denial-of-service vulnerability. Tendermint does not limit the number of P2P connection requests. For each p2p connection, it allocates XXX bytes. Even though this memory is garbage collected once the connection is terminated due to...

CVE-2020-5303

Tendermint before versions 0.33.3, 0.32.10, and 0.31.12 has a denial-of-service vulnerability. Tendermint does not limit the number of P2P connection requests. For each p2p connection, it allocates XXX bytes. Even though this memory is garbage collected once the connection is terminated due to...