_payoutToken[s]() is not compatible with ERC20-tokens which revert on zero value transfer

Lines of code Vulnerability details Impact Payout is blocked. Proof of Concept PA1D.payoutToken and PA1D.payoutTokens call ERC20.transfer to send tokens to a list of payout recipients. Some tokens e.g. LEND revert when transferring a zero value amount. If one of the recipients is to receive a zer...

_payoutEth() calculates balance with an offset, always leaving dust ETH in the contract

Lines of code Vulnerability details Payout recipients can call getEthPayout to transfer the ETH balance of the contract to all payout recipients. This function makes an internal call to payoutEth, which sends the payment to the recipients based on their associated bp The issue is that the balance...

_payoutEth() gas computation can make call revert even if balance is sufficient

Lines of code Vulnerability details Payout recipients can call getEthPayout to transfer the ETH balance of the contract to all payout recipients. This function makes an internal call to payoutEth, which computes the gasCost, then proceeds to check balance - gasCost 10000 before sending the result...

A reverting token transfer will lock all payouts.

Lines of code Vulnerability details Impact A reverting fallback function will lock all payouts. Proof of Concept External calls can fail accidentally or deliberately, which can cause a DoS condition in the contract. To minimize the damage caused by such failures, it is better to isolate each...

Invalid payout is accepted

Lines of code Vulnerability details Impact In callback function, getMarketInfoForPurchase also returns maxPayout as last argument. This is not compared against outputAmount which means if market asks for higher outputAmount then the contract will simply pay Similar instance Also check the...

Affiliates Manager < 2.9.14 - Admin+ Stored Cross-Site Scripting

The plugin does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed. Put the following payload in the "Currency Symbol" settings of the plugin and save: " Other settings...

Miscalculated payout to NFT sellers completing ERC1155 bids

Lines of code Vulnerability details Impact Payout to user fulfilling bid orders by selling their NFTs on ERC1155 will get incorrectly calculated. This will lead to eth getting stuck in the contract, and users not getting their advertised payout. Proof of Concept This whole bug takes place in...

Incorrect payout calculation due to a division before multiplication

Lines of code Vulnerability details Impact Reverse dutch auction price is calculated incorrectly Proof of Concept In the function calcPayout which calculates reverse dutch auction according to the formula inkOut = artIn / totalArt totalInk p + 1 - p t t is always zero because you divide before...

Project Owner can mint all tokens to their own address

Lines of code Vulnerability details Impact A project owner may mint all tokens for the project in JBController.mintTokensOf , with all tokens minted by the project owner to their own address, the payer during any pay call would be unable to to mint any project token as the mint function would...

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...

Merck Awarded $1.4B Insurance Payout over NotPetya Attack

Unsealed court records show pharmaceutical giant Merck was awarded a $1.4 billion payout last month on its property insurance policy, for losses the company suffered because of the 2017 NotPetya cyberattacks. Merck’s cyber-insurance company, International Indemnity, was claiming the losses fell...

System Debt Is Not Handled When Insurance Pools Become Insolvent

Handle leastwood Vulnerability details Impact If an incident has occurred where an insurance policy is to be redeemed. The market is put into the MarketStatus.Payingout mode where the insurance.insured account is allowed to redeem their cover and receive a payout amount. Upon paying out the...

Reserve does not properly apply prices of VADER and USDV tokens

Handle TomFrenchBlockchain Vulnerability details Impact Reserve pays out vastly higher or lower IL protection than it should Proof of Concept Consider the lines 98 and 102 as shown on the link below: Here we multiply the IL experienced by the LP by a price for USDV or VADER as returned by the LBT...

SingleNativeTokenExitV2 only returns single output token

Handle cmichel Vulnerability details The SingleNativeTokenExitV2.exit function performs a list of arbitrary user-defined swaps on the exited token basket. These could result in many different final "output" tokens ending up in the contract after the swaps. However, the contract assumes that there...

Facebook to Pay Hackers for Reporting Data Scraping Bugs and Scraped Datasets

Meta Platforms, the company formerly known as Facebook, has announced that it's expanding its bug bounty program to start rewarding valid reports of scraping vulnerabilities across its platforms as well as include reports of scraping data sets that are available online. "We know that automated...

Aave's share tokens are rebasing breaking current strategy code

Handle cmichel Vulnerability details When depositing into Aave through the AaveYield.lockTokens contract strategy, one receives the sharesReceived amount corresponding to the diff of aToken balance, which is just always the deposited amount as aave is a rebasing token and 1.0 aToken = 1.0...

Users Can Reset Bond Depositor's Vesting Period

Handle leastwood Vulnerability details Impact The VaderBond.deposit function overwrites a depositors bond info on each call with the updated payout information. If any of the vesting is left unclaimed before a call to deposit is made, the vesting period is reset to terms.vestingTerm, resulting in...

Twitch Gets Gutted: All Source Code Leaked

An attacker claims to have ransacked Twitch for everything it’s got, including all of its source code and user-payout information. 100621 14:23 UPDATE: Twitch has confirmed the breach. According to Video Games Chronicle VGC, which first reported the assault on the interactive live-streaming...

Bounties payout will get stuck on publishing new index

Handle csanuragjain Vulnerability details Impact User funds will get stuck in case Auction is restarted via publishNewIndex Proof of Concept 1. Publisher publishes new index using publishNewIndex function of Basket.sol function publishNewIndexaddress memory tokens, uint256 memory weights...

Yield distribution after large payout seems unfair

Handle gpersoon Vulnerability details Impact When a large payout occurs, it will lower unallocatedSherX. This could mean some parties might not be able to get their Yield. The first couple of users for which harvest is called or which transfer tokens will be able to get their full Yield, until th...