JoinTokenSingle() function does not validate against evil struct inputs

Handle jayjonah8 Vulnerability details Impact In SingleTokenJoin.sol, the joinTokenSingle function allows a user to add any token address as an inputToken and any address as the outputBasket address without validating the struct data to guard against malicious input Proof of Concept An attacker...

Can drain any promotion rewards

Handle gzeon Vulnerability details Impact There are no checks to make sure epochId const promotionId = 1; const wallet2Amount = toWei'750'; const wallet3Amount = toWei'250'; await ticket.mintwallet2.address, wallet2Amount; await ticket.connectwallet2.delegatewallet2.address; await...

Reward stuck if promotion cancel before all past reward claimed

Handle gzeon Vulnerability details Impact When owner call cancelPromotion, the contract 1. Delete the promotion struct L132 2. Return all token reserved for future epochs L133 If there are token left for previous epochs, they will be stuck in the contract as the promotion struct is gone. Proof of...

Allowing more than 256 epochs leads to loss of funds

Handle cmichel Vulnerability details The TwabRewards contract has an implicit restriction of 256 epochs per promotion as it uses a bitmask in a uint256 to mark claimed epochs 0-255, see isClaimedEpoch. "/// @dev We pack epochs claimed by a user into a uint256. So we can't store more than 255...

Support of deflationary / rebasing tokens

Handle pauliax Vulnerability details Impact Deflationary fee on transfer / rebasing tokens are not supported. Because anyone can createPromotion with an arbitrary token, such tokens may be lost forever. Recommended Mitigation Steps Consider checking the actual amounts transferred balance...

If a promoter cancels a promotion, unclaimed rewards of ticket holders are lost

Handle hubble Vulnerability details Impact Loss of rewards for the ticket holders who have not yet claimed the rewards accrued until the previous epocs, if the promoter cancels the promotion after any epoch. Proof of Concept contract : TwabRewards function : cancelPromotion line 132 delete...

U.S. Dept Of Defense: ██████████ running a vulnerable log4j

Description: https://vulners.com/cve/CVE-2021-44228 Impact Probably arbitrary code execution System Hosts ████████ Affected Products and Versions CVE Numbers CVE-2021-44228 Steps to Reproduce 1. Browse to https://████████/███████https%3A%2F%2F█████████%2F 2. Enter a...

StartTimestamp is not checked

Handle defsec Vulnerability details Impact When the promotion is created, the promotion.startTimestamp variable can be so old date. That will cause to affect to epoch calculation. Proof of Concept 1. Navigate to the following contract code. promotionsnextPromotionId = Promotion msg.sender, ticket...

Exploit for Uncontrolled Resource Consumption in Siemens 6Bk1602-0Aa12-0Tp0_Firmware

Log4Shell sample vulnerable application CVE-2021-44228 This...

Remote Code Execution (RCE)

Overview log4j-jars is a ruby bundled Log4j jars. Affected versions of this package are vulnerable to Remote Code Execution RCE. Apache Log4j2 JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An...

Basket:handleFees(): fees are overcharged

Handle GiveMeTestEther Vulnerability details Impact The fee calculation is based on the totalSupply of the basket token. But some amount of the totalSupply represents the fees paid to the publisher/ protocol owner. Therefore the fees are "overcharged": because the fee amount is calculated on a pa...

divide-before-multiply

Handle 0v3rf10w Vulnerability details Impact divide-before-multiply can lead to miscalculation of fees in below function Proof of Concept Vulnerable Function : Basket.handleFeesuint256 Basket.sol133-153 : uint256 feePct = timeDiff licenseFee / ONEYEAR; uint256 fee = startSupply feePct / BASE -...

Free School Management Software 1.0 Cross Site Scripting

Exploit Title: Free School Management Software 1.0 - 'multiple' Stored Cross-Site Scripting XSS Exploit Author: fuzzyap1 Date: 7-12-2021 Category: Web application Vendor Homepage: https://www.sourcecodester.com/php/15073/free-school-management-software.html Software Link:...

Reentrancy vulnerability in Basket contract's initialize() method.

Handle broccolirob Vulnerability details A malicious "publisher" can create a basket proposal that mixes real ERC20 tokens with a malicious ERC20 token containing a reentrancy callback in it's approve method. When the initialize method is called on the newly cloned Basket contract, a method calle...

CVE-2021-32591

A missing cryptographic steps vulnerability in the function that encrypts users' LDAP and RADIUS credentials in FortiSandbox before 4.0.1, FortiWeb before 6.3.12, FortiADC before 6.2.1, FortiMail 7.0.1 and earlier may allow an attacker in possession of the password store to compromise the...

CVE-2021-32591

A missing cryptographic steps vulnerability in the function that encrypts users' LDAP and RADIUS credentials in FortiSandbox before 4.0.1, FortiWeb before 6.3.12, FortiADC before 6.2.1, FortiMail 7.0.1 and earlier may allow an attacker in possession of the password store to compromise the...

CVE-2021-32591

A missing cryptographic steps vulnerability in the function that encrypts users' LDAP and RADIUS credentials in FortiSandbox before 4.0.1, FortiWeb before 6.3.12, FortiADC before 6.2.1, FortiMail 7.0.1 and earlier may allow an attacker in possession of the password store to compromise the...

IsContract Function Usage

Handle defsec Vulnerability details Impact the isContract function that uses EXTCODESIZE was discovered to be hackable. The function will return false if it is invoked from a contract's constructor because the contract has not been deployed yet. The code should be used very carefully, if at all, ...

ERC20Vault does not support fee-on-transfer token

Handle gzeon Vulnerability details Impact ERC20Vault does not support fee-on-transfer token since it does not check the balance received by the contract. Proof of Concept for uint256 i = 0; i 0 IERC20tokensi.safeTransferFromfrom, addressthis, tokenAmountsi; actualTokenAmounts = pushtokens,...

User deposits don't have min. return checks

Handle cmichel Vulnerability details The LPIssuer.deposit first computes balanced amounts on the user's defined tokenAmounts. The idea is that LP tokens give the same percentage share of each vault tokens' tvl, therefore the provided amounts should be balanced, meaning, the depositAmount / tvl...