Upgraded Q -> M from 104 [1654443194486]

Judge has assessed an item in Issue 104 as Medium risk. The relevant finding follows: transfer return value of a general ERC20 is ignored Need to use safeTransfer instead of transfer. As there are popular tokens, such as USDT that transfer/trasnferFrom method doesn’t return anything. The transfer...

StakerVault.unstake(), StakerVault.unstakeFor() would revert with a uint underflow error of StakerVault.strategiesTotalStaked, StakerVault._poolTotalStaked.

Lines of code Vulnerability details Impact StakerVault.unstake, StakerVault.unstakeFor would revert with a uint underflow error of StakerVault.strategiesTotalStaked, StakerVault.poolTotalStaked. Proof of Concept Currently it saves totalStaked for strategies and non-strategies separately. uint...

Usage of deprecated transfer to send ETH

Lines of code Vulnerability details Impact Usage of deprecated transfer Swap can revert. Proof of Concept The original transfer used to send eth uses a fixed stipend 2300 gas. This was used to prevent reentrancy. However this limit your protocol to interact with others contracts that need more th...

Wrong items length assertion in basic order

Lines of code Vulnerability details When fulfilling a basic order we need to assert that the parameter totalOriginalAdditionalRecipients is less or equal than the length of additionalRecipients written in calldata. However in prepareBasicFulfillmentFromCalldata this assertion is incorrect L346: /...

Helper Appliance Resource Requirements

Purpose This article documents the specific EC2 Instance Type / Azure VM Size that will be used by Veeam Backup & Replication based on the Helper Appliance size selected when adding Amazon S3 or Azure Object Storage. Solution Helper Appliance Sizes The table below documents the actual EC2 Instanc...

CVE-2022-30236

A CWE-669: Incorrect Resource Transfer Between Spheres vulnerability exists that could allow unauthorized access when an attacker uses cross-domain attacks. Affected Products: Wiser Smart, EER21000 & EER21001 V4.5 and prior...

Cross site scripting

A CWE-669: Incorrect Resource Transfer Between Spheres vulnerability exists that could allow unauthorized access when an attacker uses cross-domain attacks. Affected Products: Wiser Smart, EER21000 & EER21001 V4.5 and prior...

CVE-2022-30236

A CWE-669: Incorrect Resource Transfer Between Spheres vulnerability exists that could allow unauthorized access when an attacker uses cross-domain attacks. Affected Products: Wiser Smart, EER21000 & EER21001 V4.5 and prior...

VE3DRewardPool.getReward() overmints with fee-on-transfer reward tokens

Lines of code Vulnerability details Impact Fee-on-transfer rewardTokens will lead to over minting when calling VE3DRewardPool.getReward. Proof of Concept function getReward address account, bool claimExtras, bool stake public updateRewardaccount address rewardToken; for uint256 i = 0; i 0...

safetransferfrom a user has to give allowance to make the function work

Lines of code Vulnerability details i ssue dos with revet because of no allowance dont use safetrafserfrom where is this contract giving allowance to users if a user has zero allowance of the function will fail IERC20veAsset.safeTransferFrommsg.sender, addressthis, amount; Because you would have ...

user can pay alot of money with out getting his tokens

Lines of code Vulnerability details lockveasset function: lockveasset functoin should do some transfer but if that dosnt happen then user can can loose alot of money and if incentiveveasset is 0 because the check is 0 and if statment will not pass and the minting will not happen and your not goin...

VoterProxy.claimVeAsset() and VeAssetDepositor._lockVeAsset() both spend veAsset.balanceOf(staker) for different purposes

Lines of code Vulnerability details Impact Each of the functions VeAssetDepositor.lockVeAsset and VoterProxy.claimVeAsset will use the entire balance of the VoterProxy for different purposes. In VeAssetDepositor.lockVeAsset the balance is locked into the VoterEscrow contract and cannot be...

Chromium: CVE-2022-1867 Insufficient validation of untrusted input in Data Transfer

This CVE was assigned by Chrome. Microsoft Edge Chromium-based ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information...

The vulnerabilities of OPC UA data transfer specification implementations in industrial networks, related to pointer dereferencing errors, allow attackers to trigger service failures.

The vulnerability of OPC UA data transmission implementations in industrial networks is related to pointer dereferencing errors. Exploiting this vulnerability can allow a malicious actor to cause service failures remotely...

KLA12548 Multiple vulnerabilities in Microsoft Browser

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to cause denial of service, gain privileges, execute arbitrary code, spoof user interface. Below is a complete list of vulnerabilities: 1. Inappropriate implementation vulnerability in...

Improper Validation

chromium is vulnerable to improper validation. The vulnerability exists because of insufficient validation of untrusted input in Data Transfer which allows an attacker to gain access to the system...

In Bribe, tokenRewardsPerEpoch isn't decreased after transferring the rewards

Lines of code Vulnerability details Impact DoS issues when users try to claim rewards. Proof of Concept tokenRewardsPerEpochtokenadjustedTstamp for a given epoch only increases when bribe.notifyRewardAmount is called and never decreases. Before it's called first time in a given epoch, this value...

Bribe.sol is not meant to handle fee-on-transfer tokens

Lines of code Vulnerability details Impact Should a fee-on-transfer token be added as a reward token and deposited, the tokens will be locked in the Bribe contract. Voters will be unable to withdraw their rewards. Proof of Concept Tokens are deposited into the Bribe contract using...

Bribe.sol Tokens with fee on transfer are not supported

Lines of code Vulnerability details There are ERC20 tokens that charge fee for every transfer or transferFrom. In the current implementation, Bribe.solnotifyRewardAmount assumes that the received amount is the same as the transfer amount, and uses it to calculate reward amounts. As a result, in...

Repeated calls to deliverBribes() risks draining bribe of assets into Gauge

Lines of code Vulnerability details Impact Funds drain from Bribe prematurely with repeated calls to deliverBribes Proof of Concept Calling deliverBribes calls deliverRewards which transfers the amount specified as the rewards due and sends to gauge. Repeated calls to deliverBribes makes repeated...