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...

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...

Cream Finance DeFi Platform Rooked For $29M

Cream Finance is the latest decentralized finance DeFi platform for cryptocurrency trading to take a major financial hit at the hands of hackers, losing nearly $19 million in an attack this week on its “flash loan” feature. The attacker was able to steal nearly $29 million before being discovered...

TimelockController vulnerability in OpenZeppelin Contracts

Impact A vulnerability in TimelockController allowed an actor with the executor role to take immediate control of the timelock, by resetting the delay to 0 and escalating privileges, thus gaining unrestricted access to assets held in the contract. Instances with the executor role set to "open"...

How to prepare for CMMC compliance as a defense industrial base supplier using the Microsoft cloud

In 2020, the US Department of Defense DoD began the phased rollout of a new framework for protecting their supply chain, known as the defense industrial base DIB. This new Cybersecurity Maturity Model Certification1 CMMC system requires regular audits that will bolster the security of the DIB,...

How to prepare for CMMC compliance as a defense industrial base supplier using the Microsoft cloud

In 2020, the US Department of Defense DoD began the phased rollout of a new framework for protecting their supply chain, known as the defense industrial base DIB. This new Cybersecurity Maturity Model Certification1 CMMC system requires regular audits that will bolster the security of the DIB,...

Privilege Escalation

@openzeppelin/contracts is vulnerable to privilege escalation. The vulnerability exists due to the lack of sanitization of roles in the TimelockController function which allowed an actor with executor role to escalate privileges...

OpenZepplin 安全漏洞

OpenZepplin is a library for smart contract development. OpenZepplin has a security vulnerability that stems from a vulnerability in the TimelockController in the affected version that allows elevation of privilege for participants with the executor role...

ERC20Rewards.sol: Use TransferHelper for rewardsToken

Handle hickuphh3 Vulnerability details Impact As it is used in other contracts, rewardsToken shouldn't be an exception. --- The text was updated successfully, but these errors were encountered: All reactions...

Rewards squatting - setting rewards in different ERC20 tokens opens various economic attacks.

Handle moose-code Vulnerability details Impact Users have essentially have an option to either claim currently earned reward amounts on future rewards tokens, or the current rewards token. Although stated on line 84, it does not take into account the implications and lock in this contract will ha...

Missing purgeDeployer function

Handle 0xsanson Vulnerability details Impact In most of the contracts there's a purgeDeployer function that sets the Deployer address to zero. Contracts synthVault and Router though don't have it. Since the idea is to decentralize the protocol giving all the power to the Dao, the function should ...

Flash loan risk mitigation is optional and not robust enough

Handle 0xRajeev Vulnerability details Impact The switchEoaOnly allows the owner to disable preventSmartContracts the project’s plan apparently is to do so after the beta-period which will allow any smart contract to interact with the protocol and potentially exploit any underlying flash loan...

Underflow problems occurring when a token has >18 decimals

Handle tensors Vulnerability details Impact The contracts assume that all tokens will have =18 decimals. If the Tracer team are the only people deploying the contracts, and they keep this in mind, this isn't a problem. If the contracts are to be deployed by other people, this assumption should be...

safe transfer

Handle gpersoon Vulnerability details Impact 3 of the 5 yield sources use safeTransfer/safeTransferFrom ATokenYieldSource.sol, IdleYieldSource.sol, YearnV2YieldSource.sol However 2 of the 5 yielsd source use transfer/transferFrom and also don't check the result of the functions...

The Supreme Court Narrowed the CFAA

In a 6-3 ruling, the Supreme Court just narrowed the scope of the Computer Fraud and Abuse Act: In a ruling delivered today, the court sided with Van Buren and overturned his 18-month conviction. In a 37-page opinion written and delivered by Justice Amy Coney Barrett, the court explained that the...

Cybercriminals Hold $115,000-Prize Contest to Find New Cryptocurrency Hacks

A top Russian-language underground forum has been running a "contest" for the past month, calling on its community to submit "unorthodox" ways to conduct cryptocurrency attacks. The forum's administrator, in an announcement made on April 20, 2021, invited members to submit papers that assess the...

Flashloan griefing attack

Handle cmichel Vulnerability details Funds from contracts that approved a join and implement the flashloan interface can be stolen. One can call Join.flashLoanvulnerablecontract, token, amount and the contract's balance will be decreased by the fees they have to pay for the flashloan. One can...

Call to swapExactTokensForETH in liquidateDai() will always fail

Handle 0xRajeev Vulnerability details Impact liquidateDai calls Uniswap’s swapExactTokensForETH to swap Dai to ETH. This will work if msg.sender, i.e. FSD contract, has already given the router an allowance of at least amount on the input token Dai. Given that there is no prior approval, the call...

Ghidra-Evm - Module For Reverse Engineering Smart Contracts

In the last few years, attacks on deployed smart contracts in the Ethereum blockchain have ended up in a significant amount of stolen funds due to programming mistakes. Since smart contracts, once compiled and deployed, are complex to modify and update different practitioners have suggested the...

The vulnerability of the Hold Management sub-component of the Oracle Project Contracts component in the Oracle E-Business Suite system, which allows a malicious individual to gain unauthorized access to the device.

The vulnerability of the Hold Management sub-component of the Oracle Project Contracts component in the Oracle E-Business Suite automation system is related to code errors. Exploiting this vulnerability may allow an attacker, operating remotely, to gain unauthorized access to the device through...