Loss of NFTs Via Malicious Oracle Injection

Lines of code Vulnerability details Issue: The admin account can arbitrarily update the oracle at any time. If the oracle is changed to a malicious or vulnerable oracle, the price may be manipulated to allow illegitimate siezure of the assets. Consequences: Any user-deposited NFT with outstanding...

OpenSea warns of Discord channel compromise

OpenSea, the primary marketplace for buyers and sellers of non-fungible tokens NFTs, has reported major problems with its Discord support channel. How major? Well, theres a "potential vulnerability" which allowed spambots to post phishing links to other users. A problem that lead OpenSea Support ...

All approved addresses can burn tokens

Lines of code Vulnerability details Impact The burn function calls isApprovedOrOwner to check if a caller is authorized to burn tokens. This means that any address that has been approved can burn a user's token. Reading the ERC721 documentation from OpenZeppelin makes it understood that the...

NFT's can be bought to lowestprice even the final price is closed over the lowestprice

Lines of code Vulnerability details Impact NFT's can be bought to lowestprice even the final price is closed over the lowestprice Proof of Concept Say the 8000 NFT's are not sold at the bidSummon phase and optimistically the finalprice will be closed above the lowestprice of 0,6 ETH. A malicious...

Fake Cyberpunk Ape Executives target artists with malware-laden job offer

The wacky world of ape jpegs are at the heart of yet another increasingly bizarre internet scam, which contains malware, stolen accounts, a faint possibility of phishing, and zips full of ape pictures. The Ape Executives have a job offer you can, and must, refuse Lots of people with art profiles ...

Airdrop phishing: what is it, and how is my cryptocurrency at risk?

Airdrop phishing is a really popular tactic at the moment. It emerged alongside the explosion of Web3/NFT/cryptocurrency popularity, and ensures scammers get a slice of the money pie. You may well have heard the term in passing, and wondered what an Airdrop is. Is your iPhone about to be Airdrop...

Skim Accidental Transfer of Collateral

Lines of code Vulnerability details Issue: removeCollateral function does not perform any address checks if the loan status = LOANINITIAL. Consequences: If anyone sends an NFT to the contract by itself, for whatever reason, an attacker can snatch it with removeCollateral. Proof of Concept Someone...

NFT oracle price request successful or not is not checked

Lines of code Vulnerability details Impact Loan can be destroyed because of no price reported by oracle. or any other reason that makes oracle "work as expected" in bad situations when the get function return success=false Proof of Concept According to the interface of INFTOracle, the first...

Rarible NFT Market Vulnerability Authorized Attackers to Transfer Crypto Assets

By Deeba Ahmed The vulnerability could allow attackers to steal crypto and NFT tokens in a single transaction if exploited. Check… This is a post from HackRead.com Read the original post: Rarible NFT Market Vulnerability Authorized Attackers to Transfer Crypto Assets...

Rarible NFT Marketplace Flaw Could've Let Attackers Hijack Crypto Wallets

Cybersecurity researchers have disclosed a now-fixed security flaw in the Rarible non-fungible token NFT marketplace that, if successfully exploited, could have led to account takeover and theft of cryptocurrency assets. "By luring victims to click on a malicious NFT, an attacker can take full...

[WP-H13] LockPosition can be overwritten by new lockFor() which leads to user's funds loss

Lines of code Vulnerability details function lockFor address account, uint256 nftIndex, uint256 lockAmount external onlyOwner nonReentrant jpeg.safeTransferFromaccount, addressthis, lockAmount; positionsnftIndex = LockPosition owner: account, unlockAt: block.timestamp + lockTime, lockAmount:...

Use of deprecated API for chainlink aggregator

Lines of code Vulnerability details Impact Price returned by oracle could be stale Proof of Concept The use of aggregator.latestAnswer is deprecated and could lead to stale data if the data wasn't recently updated. This is especially important for checking NFT prices since prices can change quick...

Malicious users can frontrun borrowers trying to repay loans, causing DoS and possibly a loan default

Lines of code Vulnerability details Impact Attackers can listen for a borrower to call repayAndCloseLoan on a specific loanId, and frontrun their transaction with a call to lend, creating a new loan with an increased amount, causing the borrower's transaction to fail due to the new loanAmount bei...

mintBorrowTicketTo can be a contract with no onERC721Received method, which may cause the BorrowTicket NFT to be frozen and put users' funds at risk

Lines of code Vulnerability details IERC721MintableborrowTicketContract.mintmintBorrowTicketTo, id; function mintaddress to, uint256 tokenId external override loanFacilitatorOnly mintto, tokenId; If mintBorrowTicketTo is a contract that does not implement the onERC721Received method, in the curre...

Loan buyouts can stick users with huge surprise bills

Lines of code Vulnerability details Impact If a small loan is bought out with a new loanAmount in the millions, so much interest can be charged that the borrower is unable to pay back the loan, essentially guaranteeing whales will be able to Seize NFTs. Proof of Concept The only requirement as it...

NFTs Are a Privacy and Security Nightmare

The blockchain isn’t as “anonymous” as you might think...

North Korean Hackers Distributing Trojanized DeFi Wallet Apps to Steal Victims' Crypto

The North Korean state-backed hacking crew, otherwise known as the Lazarus Group, has been attributed to yet another financially motivated campaign that leverages a trojanized decentralized finance DeFi wallet app to distribute a fully-featured backdoor onto compromised Windows systems. The app,...

Fee-on-Transfer tokens aren’t supported

Lines of code Vulnerability details Details & Impact Tokens that are charge a fee on transfer will not work correctly if it is specified as a payment token for NFT mints or as a royalty asset. For NFT mints, the amount recorded by the NewPayment and NewWithdrawal events might not match the actual...

CoreCollection: Starting index is pseudo-randomly generated, allowing for gameable NFT launches

Lines of code Vulnerability details Details & Impact In Paradigm’s article “A Guide to Designing Effective NFT Launches”, one of the desirable properties of an NFT launch is unexploitable fairness: Launches must have true randomness to ensure that predatory users cannot snipe the rarest items at...

Collection Owners Can Reinitialize CoreCollection.sol and Mint Duplicate NFTs

Lines of code Vulnerability details Impact The initialize function is called by CoreFactory.sol when creating projects or adding collections to an existing project. When ownership of the CoreCollection.sol contract is transferred to the project owner, it gives the owner access to a subset of...