PoolTemplate.sol initialize() can be called by attacker during deployment

Handle jayjonah8 Vulnerability details Impact In PoolTemplate.sol the initialize function sets important storage variables like conditions and references and this function can only be called once. During deployment an attacker can monitor the blockchain byte code and call the initialize function...

Security Bulletin: IBM MQ Blockchain bridge dependencies are vulnerable to issues in Apache Log4j (CVE-2021-45105 & CVE-2021-44832)

Summary A Denial of Service issue was identified within the Log4j fix for CVE-2021-45046 that is used by Fabric Gateway to provide logging functionality. Fabric Gateway is used by the IBM MQ blockchain bridge component of IBM MQ to provide connection capability between IBM MQ queue managers and...

RPC call failure in ckb

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...

GHSA-8GJM-H3XJ-MP6W RPC call failure in ckb

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...

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-2021-45699

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...

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...

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...

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...

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-2021-45698

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-2021-45699

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 ...