ConstantProductPool & HybridPool: Adding and removing unbalanced liquidity yields slightly more tokens than swap

Handle GreyArt Vulnerability details Impact A mint fee is applied whenever unbalanced liquidity is added, because it is akin to swapping the excess token amount for the other token. However, the current implementation distributes the minted fee to the minter as well when he should be excluded. It...

Users are susceptible to back-running when depositing ETH to TridenRouter

Handle broccoli Vulnerability details Impact The depositToBentoBox and depositFromUserToBentoBox allow users to provide ETH to the router, which is later deposited to the bento contract for swapping other assets or providing liquidity. However, in these two functions, the input parameter does not...

_depositToBentoBox sometimes uses both ETH and WETH

Handle cmichel Vulnerability details The TridentRouter.depositToBentoBox function only uses the ETH in the contract if it's higher then the desired underlyingAmount addressthis.balance = underlyingAmount. Otherwise, the ETH is ignored and the function uses WETH from the user. Impact Note that the...

use of transfer() instead of call() to send eth

Handle JMukesh Vulnerability details Impact Use of transfer might render ETH impossible to withdraw becuase after istanbul hardfork , there is increases in the gas cost of the SLOAD operation and therefore breaks some existing smart contracts.Those contracts will break because their fallback...

Unhandled reverts from Cosmos to Eth batches can cause *Denial Of Service*

Handle hack3r-0m Vulnerability details At the above-mentioned places in Gravity contract, it makes external call to a function to transfer erc20 token. This can cause revert in cases where erc20 safeTransfer fails for e.g erc20 contract has blacklisted address of gravity contract to alllow...

Large Validator Sets/Rapid Validator Set Updates May Freeze the Bridge or Relayers

Handle nascent Vulnerability details In a similar vein to "Freeze The Bridge Via Large ERC20 Names/Symbols/Denoms", a sufficiently large validator set or sufficiently rapid validator update could cause both the ethoraclemainloop and relayermainloop to fall into a state of perpetual errors. In...

OracleManagerFlippening_V0, OracleManagerEthVsBtc only work if chainlink decimals are the same

Handle cmichel Vulnerability details The OracleManagerFlippeningV0, OracleManagerEthVsBtc contracts divide the ETH price by the BTC price and want to return a value where 100% = 1e20. This does not work if the chainlink oracle decimals for ETH are different from the one for BTC. Impact The "price...

OracleManagerFlippening_V0 wrong decimals

Handle cmichel Vulnerability details The OracleManagerFlippeningV0.updatePrice function states that it wants to return the eth dominance as a percentage where 100% = 1e20. It's unclear why there is a division by 1e10 to compute the bitcoin market cap: uint256btcPrice btcSupply 1e10 Impact The pri...

eth-brownie (=1.15.0) potentially affected by unknown CVE via vyper (=0.2.14)

vyper PYPI version =0.2.14 is affected by a known vulnerability. The following packages have a transitive dependency on vyper and may be impacted: - eth-brownie =1.15.0 Source cves: unknown CVE Source advisory: OSV:GHSA-7F92-RR6W-CQ64...

Doldrums - A Flutter/Dart Reverse Engineering Tool

To flutter: to move in quick, irregular motions, to beat rapidly, to be agitated. Doldrums: a period of stagnation. Doldrums is a reverse engineering tool for Flutter apps targetting Android. Concretely, it is a parser and information extractor for the Flutter/Dart Android binary, conventionally...

UniswapV3Oracle: Check for stale ETH prices

Handle greiart Vulnerability details Impact Freshness of the returned ETH price should be checked, since it affects an account's health and therefore liquidations. The latestAnswer function is deprecated see comment on EACAggregatorProxy, and the use latestRoundData is recommended instead...

Wrong price scale for GasOracle

Handle cmichel Vulnerability details The GasOracle uses two chainlink oracles GAS in ETH with some decimals, USD per ETH with some decimals and multiplies their raw return values to get the gas price in USD. However, the scaling depends on the underlying decimals of the two oracles and could be...

SmartThings 安全漏洞

Samsung SmartThings Hub STH-ETH-250 is a smart home management device from Samsung South Korea. A security vulnerability exists in versions prior to SmartThings 1.7.64.21 that allows an attacker to access user information via logs...

Unauthorized functions in Ladle.sol and PoolRouter.sol

Handle gpersoon Vulnerability details Impact Both Ladle.sol and PoolRouter.sol contain a function batch, which gives access to several internal functions. Some of those functions call functions in other contracts which have an "auth" access control mechanism. However several internal functions ca...

Should check return data from Chainlink aggregators

Handle shw Vulnerability details Impact The getEtherPrice function in the contract FSDNetwork fetches the ETH price from a Chainlink aggregator using the latestRoundData function. However, there are no checks on roundID nor timeStamp, resulting in stale prices. Proof of Concept Referenced code:...

DNS-Black-Cat(DBC) - Multi Platform Toolkit For An Interactive DNS Shell Commands Exfiltration, By Using DNS-Cat You Will Be Able To Execute System Commands In Shell Mode Over DNS Protocol

Multi-platform toolkit for an interactive C2C DNS shell, by using DNS-Black-Cat, you will be able to execute system commands in shell mode over a fully encrypted covert channel. Server ported as a python script, which acts as DNS server with required functionalities to provide interactive shell...

Eth may get stuck in contract

Handle JMukesh Vulnerability details Impact Istanbul hardfork increases the gas cost of the SLOAD operation and therefore breaks some existing smart contracts. In file withdrawable.sol, contract uses transfer to send eth from contract to EOA due which eth can get stuck. reason behind this is, aft...

Sifchain: Private eth key found

Hello, team! Found private ethereum key at file: https://github.com/Sifchain/sifnode/blob/develop/smart-contracts/.env.example This key points to wallet balance: F1284232 As I understood, private key allows to spend this coins, so it may need to be masked or hidden. Impact eth private key disclos...

New JavaScript Exploit Can Now Carry Out DDR4 Rowhammer Attacks

Academics from Vrije University in Amsterdam and ETH Zurich have published a new research paper describing yet another variation of the Rowhammer attack. Dubbed SMASH Synchronized MAny-Sided Hammering, the technique can be used to successfully trigger the attack from JavaScript on modern DDR4 RAM...

diffMaxMinRuntime gets default value of 0

Email address [email protected] Handle paulius.eth Eth address 0x523B5b2Cc58A818667C22c862930B141f85d49DD Vulnerability details uint256 public diffMaxMinRuntime; This variable is never set nor updated so it gets a default value of 0. Impact diffMaxMinRuntime with 0 value is making the calculatio...