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Lines of code Vulnerability details Impact Scope of vulnerabiliy - This vulnerability allows any user including users the do not own any share tokens to effectivly cast a veto on a minter suggetion. The only requirement to excecute the vulnerability is to have the minimun fee in the acccount. In...

Tray tile characterIndex values (via PRNG) can be manipulated by miners

Lines of code Vulnerability details Impact By manipulating the ordering of transactions in blocks, miners could manipulate the characterIndex values of a Tray's tiles. This could result in miners being able to specifically select characterIndex values that they want for specific Tray tiles, rathe...

The Risk of Adding an Incorrect Previous Block Hash Value in a Blockchain Network

Lines of code Vulnerability details Impact There is a risk of adding an incorrect previous block hash value to a block, either intentionally or unintentionally. If the previous block hash value is incorrect, it means that the data in the previous block has been tampered with, and the current bloc...

Authorities Shut Down ChipMixer Platform Tied to Crypto Laundering Scheme

A coalition of law enforcement agencies across Europe and the U.S. announced the takedown of ChipMixer, an unlicensed cryptocurrency mixer that began its operations in August 2017. "The ChipMixer software blocked the blockchain trail of the funds, making it attractive for cybercriminals looking t...

OpenZeppelin 安全漏洞

OpenZeppelin is a software application. A standard for secure blockchain applications. A security vulnerability exists in OpenZeppelin Contracts that stems from an amount overflowing during transmission...

Security Bulletin: IBM MQ Blockchain bridge is vulnerable to multiple issues within protobuf-java-core (CVE-2022-3510, CVE-2022-3509)

Summary Multiple issues were identified within protobuf-java-core which is used by fabric gateway which is used by IBM MQ Blockchain bridge to provide Blockchain functionality to IBM MQ. Vulnerability Details CVEID:CVE-2022-3510 DESCRIPTION: protobuf-java core and lite are vulnerable to a denial ...

Friday Squid Blogging: Squid Is a Blockchain Thingy

I had no idea--until I read this incredibly jargon-filled article: Squid is a cross-chain liquidity and messaging router that swaps across multiple chains and their native DEXs via axlUSDC. So there. As usual, you can also use this squid post to talk about the security stories in the news that I...

Security Bulletin: IBM MQ Blockchain bridge is vulnerable to an issue identified in snakeyaml (CVE-2022-25857)

Summary An issue was identified with the snakeyaml package that is used by the fabric gateway package that is used by the IBM MQ Blockchain bridge package to provide Blockchain functionality in IBM MQ. Vulnerability Details CVEID:CVE-2022-25857 DESCRIPTION: Java package org.yaml:snakeyam is...

6 of the Best Crypto Bug Bounty Programs

By Waqas Crypto bug bounty programs have become essential as the number of blockchain platforms grows exponentially, making it increasingly difficult for developers to keep up with all the necessary security protocols on their own. This is a post from HackRead.com Read the original post: 6 of the...

FBI Says North Korean Hackers Behind $100 Million Horizon Bridge Crypto Theft

The U.S. Federal Bureau of Investigation FBI on Monday confirmed that North Korean threat actors were responsible for the theft of $100 million in cryptocurrency assets from Harmony Horizon Bridge in June 2022. The law enforcement agency attributed the hack to the Lazarus Group and APT38 aka...

The _verifySignature function skips signature verification if the offerer is the caller.

Lines of code Vulnerability details Impact it could have a significant impact on the security of the smart contract. The function is intended to verify the signature of an order, but if the offerer is the caller, the function skips the signature verification. This could allow someone other than t...

Front-run Initializer

Lines of code Vulnerability details Impact In function: function initialize Authority AUTHORITY, ICollateralToken COLLATERALTOKEN, ILienToken LIENTOKEN, ITransferProxy TRANSFERPROXY, address VAULTIMPL, address SOLOIMPL, address WITHDRAWIMPL, address BEACONPROXYIMPL, address CLEARINGHOUSEIMPL...

Relayers can steal extra fees from smart contract wallets on every transaction

Lines of code Vulnerability details Impact Relayers can take signed transactions and append zeroes to the signature parameter to artificially increase the gas cost and startGas estimation. This causes additional cost for the signer and increases the relayers reimbursement. The cost/reimbursement...

Security Bulletin: IBM MQ Blockchain bridge is vulnerable to a denial of service issue within protobuf-java core (CVE-2022-3171)

Summary An issue was identified within protobuf-java core, which is used by fabric gateway, which in turn is used by IBM MQ Blockchain bridge to provide IBM MQ Blockchain functionality. Vulnerability Details CVEID:CVE-2022-3171 DESCRIPTION: protobuf-java core and lite are vulnerable to a denial o...

BitKeep Confirms Cyber Attack, Loses Over $9 Million in Digital Currencies

Decentralized multi-chain crypto wallet BitKeep on Wednesday confirmed a cyber attack that allowed threat actors to distribute fraudulent versions of its Android app with the goal of stealing users' digital currencies. "With maliciously implanted code, the altered APK led to the leak of user's...

Glupteba Botnet Continues to Thrive Despite Google's Attempts to Disrupt It

The operators of the Glupteba botnet resurfaced in June 2022 as part of a renewed and "upscaled" campaign, months after Google disrupted the malicious activity. The ongoing attack is suggestive of the malware's resilience in the face of takedowns, cybersecurity company Nozomi Networks said in a...

CVE-2022-23507

Tendermint is a high-performance blockchain consensus engine for Byzantine fault tolerant applications. Versions prior to 0.28.0 contain a potential attack via Improper Verification of Cryptographic Signature, affecting anyone using the tendermint-light-client and related packages to perform ligh...

Design/Logic Flaw

Tendermint is a high-performance blockchain consensus engine for Byzantine fault tolerant applications. Versions prior to 0.28.0 contain a potential attack via Improper Verification of Cryptographic Signature, affecting anyone using the tendermint-light-client and related packages to perform ligh...

CVE-2022-23507 Light client verification not taking into account chain ID

Tendermint is a high-performance blockchain consensus engine for Byzantine fault tolerant applications. Versions prior to 0.28.0 contain a potential attack via Improper Verification of Cryptographic Signature, affecting anyone using the tendermint-light-client and related packages to perform ligh...

CVE-2022-23507

The CVE concerns Tendermint’s light-client verification prior to version 0.28.0, where the light client does not verify that the trusted and untrusted chain IDs match during header verification. This can allow a header from an untrusted chain that passes other checks (e.g., overlapping validator ...