Needles in a Haystack: Using Forensic Network Science to Uncover Insider Trading

Although the automation and digitisation of anti-financial crime investigation has made significant progress in recent years, detecting insider trading remains a unique challenge, partly due to the limited availability of labelled data. To address this challenge, we propose using a data-driven...

In Gaming Item Scams and How to Avoid Them?

The popularity of the TF2 gaming and trading scene attracts scammers with phishing, fake trades, and malicious tools.…...

utahwomenintrades.org Cross Site Scripting vulnerability OBB-3952584

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

MEV-attack

Lines of code Vulnerability details Impact Tokens trades can be sandwiched for profit. Proof of concept The price of tokens is proportional to the supply with the current LinearBoningCurve. An attacker can therefore sandwich a buy transaction with a buy at the first lower price range followed by ...

Missing flash loan initiator check allows attacker to open trades, close trades and steal funds

Lines of code Vulnerability details Impact The attacker can close trades, partially close trades and even steal funds. Proof of Concept The OptionsPositionManager.executeOperation function is called when a flash loan is made and it can only be called by the lendingPool. The wrong assumption by th...

Missing deadline checks allow pending transactions to be maliciously executed

Lines of code Vulnerability details Impact In PoolActions.sol, swapToEqualAmounts function has no deadline check for the transaction when swapping. File: src/talos/libraries/PoolActions.sol function swapToEqualAmountsActionParams memory actionParams, int24 baseThreshold internal bool zeroForOne,...

Dangerous use of setVirtualReserves(), withdraw(), and execute() leads to incorrect configuration of PrivatePool

Lines of code Vulnerability details Impact The function setVirtualReserves allows arbitrary changes to the values of virtualBaseTokenReserves and virtualNftReserves, which determine the price of the NFT trade in the pool. However, the real balance of tokens or ether in the pool is not checked, so...

User can abuse tight stop losses and high leverage to make risk free trades

Lines of code Vulnerability details Impact User can abuse how stop losses are priced to open high leverage trades with huge upside and very little downside Proof of Concept function limitClose uint id, bool tp, PriceData calldata priceData, bytes calldata signature external checkDelayid, false;...

Frontrunning Private Trades Vulnerability

Lines of code Vulnerability details Impact The inability to create private trades in the Seaport contract would affect users significantly. Users will be forced to create public trades that run the risk of being frontrun. Proof of Concept Today, all trades are private meant for specific offerer a...

Slippage protection

Handle pauliax Vulnerability details Impact exchangeunderlying in functions swapUnderlyingToUst and swapUstToUnderlying lack slippage control, it uses a default value of 0 minimum received. A common attack in DeFi is the sandwich attack. Upon observing a trade of asset X for asset Y, an attacker...

SingleTokenJoinV2 doesn't take input deadline to consideration

Handle kenzo Vulnerability details SingleNativeTokenExitV2 takes as input from the user a deadline for the trades. However, it does not use this input for the actual trade but sets the deadline to be block.timestamp. Impact Trades will not work as expected. User might set a deadline for the trade...

Missing slippage/min-return check in UniswapHandler

Handle cmichel Vulnerability details The contracts are missing slippage checks which can lead to being vulnerable to sandwich attacks. A common attack in DeFi is the sandwich attack. Upon observing a trade of asset X for asset Y, an attacker frontruns the victim trade by also buying asset Y, lets...

DOS attack possible for Token->ETH trades

Handle pmerkleplant Vulnerability details Impact Any user's trade from some token to a native token e.g. ETH can be DOSed if an attacker sends native tokens to the Executioner contract. If the attacker watches for trades, he/she could either make the whole trade fail or, depending on the...

Slingshot: Incorrect initial balance fetched for native token in executeTrades()

Handle hickuphh3 Vulnerability details Impact The executioner contract only supports ERC20ERC20 token trades. Native token swaps are supported by either wrapping / unwrapping the ERC20 wrapped native token before / after the trades respectively. When exchanging from the native token, the wrapping...

Regular Trades Can Drain Executioner.sol Balance

Handle zer0dot Vulnerability details Impact This vulnerability allows any trade to effectively drain the balance, as long as it is not the chain's native asset which is not used directly in the modules , from the Executioner.sol contract. This is technically not critical because funds are not...

Incorrect calculation of initialBalance in Slingshot.executeTrades()

Handle daejunpark Vulnerability details Impact The Slingshot.executeTrades incorrectly calculates initialBalance when toToken == nativeToken. It should have been the balance of wrapped native tokens e.g., WETH, rather than that of native currencies e.g., Ether. This incorrect behavior introduces...

Revert the transaction if convergence does not happen in HybridPool

Handle broccoli Vulnerability details Title: Revert the transaction if convergence does not happen in HybridPool Impact The getY and computeLiquidityFromAdjustedBalances functions use iterative approximations to calculate the output token amount or the liquidity invariant D. However, if the...

Wrong trading pricing calculations

Handle 0xsanson Vulnerability details Impact In the Pricing contract, an agent can manipulate the trading prices by spamming an high amount of trades. Indeed an agent can create an high amount of orders at an arbitrary price and with a near-zero amount so the agent doesn't even need large funds;...

CVE-2021-32543

The CTS Web transaction system related to authentication management is implemented incorrectly. After login, remote attackers can manipulate cookies to access other accounts and trade in the stock market with spoofed identity...

Gatecoin: API request signature can be reused with other parameters/data than the original in certain cases

If an attacker can intercept/see an API-request from a client who has a system-clock that is slightly ahead of the server time then the attacker can re-use the API request-signature towards the same URL but with a different payload. This can for some of the endpoint lead to serious vulnerabilitie...