Denial of Service in ckb

An issue was discovered in the ckb crate before 0.40.0 for Rust. Attackers can cause a denial of service Nervos CKB blockchain node crash via a dead call that is used as a DepGroup...

GHSA-CW98-CX2M-9QQG Denial of Service in ckb

An issue was discovered in the ckb crate before 0.40.0 for Rust. Attackers can cause a denial of service Nervos CKB blockchain node crash via a dead call that is used as a DepGroup...

SAILFISH System to Find State-Inconsistency Bugs in Smart Contracts

A group of academics from the University of California, Santa Barbara, has demonstrated what it calls a "scalable technique" to vet smart contracts and mitigate state-inconsistency bugs, discovering 47 zero-day vulnerabilities on the Ethereum blockchain in the process. Smart contracts are program...

CVE-2021-45700

An issue was discovered in the ckb crate before 0.40.0 for Rust. Attackers can cause a denial of service Nervos CKB blockchain node crash via a dead call that is used as a DepGroup...

CVE-2021-45698

An issue was discovered in the ckb crate before 0.40.0 for Rust. A getblocktemplate RPC call may fail in situations where it is supposed to select a Nervos CKB blockchain transaction with a higher fee rate than another transaction...

CVE-2021-45699

An issue was discovered in the ckb crate before 0.40.0 for Rust. Remote attackers may be able to conduct a 51% attack against the Nervos CKB blockchain by triggering an inability to allocate memory for the misbehavior HashMap...

CVE-2021-45700

An issue was discovered in the ckb crate before 0.40.0 for Rust. Attackers can cause a denial of service Nervos CKB blockchain node crash via a dead call that is used as a DepGroup...

Information disclosure

An issue was discovered in the ckb crate before 0.40.0 for Rust. A getblocktemplate RPC call may fail in situations where it is supposed to select a Nervos CKB blockchain transaction with a higher fee rate than another transaction...

Design/Logic Flaw

An issue was discovered in the ckb crate before 0.40.0 for Rust. Attackers can cause a denial of service Nervos CKB blockchain node crash via a dead call that is used as a DepGroup...

Design/Logic Flaw

An issue was discovered in the ckb crate before 0.40.0 for Rust. Remote attackers may be able to conduct a 51% attack against the Nervos CKB blockchain by triggering an inability to allocate memory for the misbehavior HashMap...

CVE-2021-45698

The CVE-2021-45698 issue affects the Rust crate ckb prior to 0.40.0. The get_block_template RPC may fail when it should select a higher-fee transaction, impacting block template construction. The vulnerability is described consistently across sources (NVD/Red Hat and related advisories) as a get_...

CVE-2021-45698

An issue was discovered in the ckb crate before 0.40.0 for Rust. A getblocktemplate RPC call may fail in situations where it is supposed to select a Nervos CKB blockchain transaction with a higher fee rate than another transaction...

CVE-2021-45699

An issue was discovered in the ckb crate before 0.40.0 for Rust. Remote attackers may be able to conduct a 51% attack against the Nervos CKB blockchain by triggering an inability to allocate memory for the misbehavior HashMap...

CVE-2021-45699

CVE-2021-45699 affects the Rust crate ckb (pre-0.40.0). The issue allows remote attackers to trigger an inability to allocate memory for the misbehavior HashMap, potentially enabling a 51% attack against the Nervos CKB blockchain. The root cause is memory management for the HashMap used to track ...

CVE-2021-45700

An issue was discovered in the ckb crate before 0.40.0 for Rust. Attackers can cause a denial of service Nervos CKB blockchain node crash via a dead call that is used as a DepGroup...

Anyone Can Frontrun VaderPoolV2.mintSynth() To Steal Synthetic Assets

Handle leastwood Vulnerability details Impact The mintSynth function is callable by any user and creates a synthetic asset against foreignAsset if it does not already exist. The protocol expects a user to first approve the contract as a spender before calling mintSynth. However, any arbitrary use...

CVE-2021-43839

Cronos is a commercial implementation of a blockchain. In Cronos nodes running versions before v0.6.5, it is possible to take transaction fees from Cosmos SDK's FeeCollector for the current block by sending a custom crafted MsgEthereumTx. This problem has been patched in Cronos v0.6.5. There are ...

CVE-2021-43839

Cronos is a commercial implementation of a blockchain. In Cronos nodes running versions before v0.6.5, it is possible to take transaction fees from Cosmos SDK's FeeCollector for the current block by sending a custom crafted MsgEthereumTx. This problem has been patched in Cronos v0.6.5. There are ...

Design/Logic Flaw

Cronos is a commercial implementation of a blockchain. In Cronos nodes running versions before v0.6.5, it is possible to take transaction fees from Cosmos SDK's FeeCollector for the current block by sending a custom crafted MsgEthereumTx. This problem has been patched in Cronos v0.6.5. There are ...

CVE-2021-43839

Cronos v0.6.5 fixes a vulnerability in Cronos nodes earlier than v0.6.5 where an attacker could drain the current-block transaction fees from Cosmos SDK’s FeeCollector by sending a crafted MsgEthereumTx. Affected: Cronos prior to v0.6.5. Root cause: improper handling enabling fee drainage at the ...