Users Can Frontrun Token Distributions Using Flashloans

Lines of code Vulnerability details Impact The collector suite of contracts will actively send ANC token distributions to staked ANC token holders. However, because it is known beforehand that a distribution will be made to the governance contract, users can abuse this to frontrun distributions b...

[WP-H4] anchor_basset_reward pending yields can be stolen

Lines of code Vulnerability details For yield farming aggregators, if the pending yield on an underlying strategy can be harvested and cause a surge of rewards to all existing investors, especially if the harvest can be triggered permissionlessly. Then the attacker can amplify the attack using a...

Missing allowlist checks on tokens in CrossAnchorBridge could cause loss of funds

Lines of code Vulnerability details Impact The CrossAnchorBridge contract accepts any ERC20 token and transfers them to the wormhole bridge. There were allowlist checks on the tokens before, but they were commented out in this version for the audit. If a user transfers, for example, non-supported...

Updating the hub’s token contract address may lead to incorrect undelegation amount

Lines of code Vulnerability details Updating the hub’s token contract address may lead to incorrect undelegation amounts Impact The hub contract allows config updates to the tokencontract config values in anchor-bAsset-contracts/contracts/anchorbassethub/src/config.rs Such updates can cause wrong...

Staking tokens can be stolen

Lines of code Vulnerability details Impact The staking contract keeps track of shares of each user. When withdrawing from the staking contract the amount parameter is converted to shares and this value is decreased shares = amount / totalbalance totalshare. This shares calculation rounds down whi...

bETH rewards can be timed

Lines of code Vulnerability details Impact The bETH reward contract allocates new rewards sent to the contract whenever updateglobalindex is called. It should be possible to time the transfer of the rewards to the contract and frontrun it with increasing one's token balance to capture more reward...

Rewards can be stolen from contract

Lines of code Vulnerability details It was observed that executeclaimrewards/executedecreasebalance/executeincreasebalance are missing to update the global index before calculating user rewards in anchorbassetreward contract This can lead to serious consequences: 1. executeincreasebalance functio...

The pay() function can still be DOSed

Lines of code Vulnerability details Impact From the prior contest: in the pay function users repay their debt and in line 364: it decreases their debt. lets say a user wants to repay all his debt, he calls the pay function with his full debt. an attacker can see it and frontrun to repay a single...

EIP-712 signatures can be re-used in private sales

Lines of code Vulnerability details Impact Within a NFTMarketPrivateSale contract, buyers are allowed to purchase a seller's NFT. This is done through a seller providing a buyer a EIP-712 signature. The buyer can then call buyFromPrivateSaleFor providing the v, r, and s values of the signature as...

[WP-M3] PRIMARY_FOUNDATION_FEE can be bypassed

Lines of code Vulnerability details The protocol is charging a different fee rate when the NFT is sold by the creator for the first time on the platform, the fee rate is currently set to a constant value of 15%. For other sales, the fee rate is only 5%. if isCreator &&...

Private sale replay attack

Lines of code Vulnerability details Impact The private sale signature used in buyFromPrivateSaleFor does not prevent replay attacks. If the NFT ends up in the original seller's wallet again within the deadline it can be purchased from them again. POC S sells to B using a private sale. S creates a...

There is no Support For The Trading of Cryptopunks

Lines of code Vulnerability details Impact Cryptopunks are at the core of the NFT ecosystem. As one of the first NFTs, it embodies the culture of NFT marketplaces. By not supporting the trading of cryptopunks, Foundation is at a severe disadvantage when compared to other marketplaces. Cryptopunks...

Upgradable escrow contract

Lines of code Vulnerability details Impact Upgradable escrow contract pose great risk to user who approved their NFT to the contract. Most popular token / NFT exchange do not require user approve their asset to admin upgradable contract. This also increase user gas usage because they would have t...

Security Bulletin: Oracle Database Server Vulnerability Affects IBM Emptoris Contract Management (CVE-2021-2332)

Summary IBM Emptoris Contract Management supports Oracle database server as a backend database. The remediated version of Oracle database server has been certified by IBM Emptoris Contract Management. Vulnerability Details CVEID: CVE-2021-2332 DESCRIPTION: An unspecified vulnerability in Oracle...

Security Bulletin: Oracle Database Server Vulnerability Affects IBM Emptoris Contract Management(CVE-2021-35557)

Summary IBM Emptoris Contract Management supports Oracle database server as a backend database. The remediated version of Oracle database server has been certified by IBM Emptoris Contract Management. Vulnerability Details CVEID: CVE-2021-35557 DESCRIPTION: An unspecified vulnerability in Oracle...

Security Bulletin: Oracle Database Server Vulnerability Affects IBM Emptoris Contract Management (CVE-2021-35558)

Summary IBM Emptoris Contract Management supports Oracle database server as a backend database. The remediated version of Oracle database server has been certified by IBM Emptoris Contract Management. Vulnerability Details CVEID: CVE-2021-35558 DESCRIPTION: An unspecified vulnerability in Oracle...

Auction DOS On The Bidding

Lines of code Vulnerability details Impact During the code review, It has been observed that If the bidder is contract, the bidder can make auction infunctional. Proof of Concept 1. Navigate to the following contract. 2. Auction has public function named as placeBid. 3. Example Poc steps can be...

NFT tranfered to market directly can be took by anyone

Lines of code Vulnerability details Proof of Concept 1. Offer can be made on any NFT if: 1. Not in active auction 2. No existing offer 3. The new offer amount is greater than existing offer 1. No access control on acceptOffer , anyone can send tx and reach this line which lead to transfer from...

Anyone can be _owner

Lines of code Vulnerability details Impact Anyone can be owner by calling initialize Proof of Concept initialize can called multiple times as the name 'initialize' should intended to be called one time when the contract deployed. Nothing prevent it to be called multiple times, and claim the...

Users can unlock other users FETH tokens

Lines of code Vulnerability details Impact In FETH.sol the marketUnlockFor function which is called by the market contract does not ensure that funds can only be unlocked by the owner of the account. This opens the way for a user to unlock FETH tokens of arbitrary accounts. Proof of Concept Tools...