CVE-2024-1857: Missing Authorization

The Ultimate Gift Cards for WooCommerce – Create, Redeem & Manage Digital Gift Certificates with Personalized Templates plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.6.6 via the wpswgmpreviewemailtemplate. This makes it possible for...

StakedUSDe.totalSupply() may decrease below MIN_SHARES by StakedUSDe.redistributeLockedAmount.

Lines of code Vulnerability details Impact StakedUSDe runs checkMinShares in deposit and withdraw to keep the totalSupply more than MINSHARES, 1e18. It is to prevent an ERC4626 inflation attack. However, StakedUSDe.redistributeLockedAmountuser, address0 burns all the user's shares and decreases t...

Users will retain possession of their USDe after redeeming collateral

Lines of code Vulnerability details Impact Users will retain possession of their USDe after redeeming their collateral this can lead to theft/loss of funds. Proof of Concept See belo for the coded POC. The benefactor and the beneficiary in the Order struct containing order details and confirmatio...

Limits on mint and redeem per block of USDe will lead to paralysis

Lines of code Vulnerability details Impact Since the number of mint and redeem per block is limited, attackers can use scripts to squeeze out the quota with their own addresses. Thena cannot determine whether it is a normal user address or an attack address, causing the contract to be paralyzed. ...

Upgraded Q -> 2 from #2142 [1698131545015]

Judge has assessed an item in Issue 2142 as 2 risk. The relevant finding follows: LOW1: No whenNotPaused in redeem Technical Details Almost all state changing functions have whenNotPaused in the core contract but it is not the case for redeem. The NFT it interact with has a pause/unpause...

Rounding in the unwrap function in rUSDY may cause fund loss for users.

Lines of code Vulnerability details Impact Rouding with BPSDENOMINATOR in function unwrap in rUSDY.sol may cause users to be transfered back less than expected USDY. POC The rUSDY.sol contract provides a way to wrap an amount of USDY as shares in order to gain profit in rUSDY. This is done throug...

the perpetualVaultLP.sol is vulnable by flashloan attack

Lines of code Vulnerability details impact The perpVaultLp contract is susceptible to a flash loan attack. An attacker can exploit the vulnerability by executing flash loan transactions using both the deposit and redeem functions. This allows the attacker to acquire extra rdpx tokens and increase...

You can front-run to enrich yourself

Lines of code Vulnerability details Impact An attacker can use flash loan and withdraw significant part of funding intended for collateral providers. Proof of Concept Let's consider code snippet from deposit: requireshares = previewDepositassets != 0, "ZEROSHARES";...

Potential Over-redemption Vulnerability in redeem Function

Lines of code Vulnerability details Impact In the redeem function, when a third party is using their allowance to redeem shares on behalf of an owner, there exists a potential scenario where the third party could redeem more than originally intended by the owner. Proof of Concept This is how the...

Attacker can Steal all eths of WETHRouter.sol through redeem function

Lines of code Vulnerability details Impact An attacker can Steal eths through redeem function in WETHRouter.sol as you know the contract does the redeem process and redeem user mTokens to ETHs, and as you know we have the function of mint which is the opposite of this and users deposit ETH in ord...

RToken.redeem should claim rewards before sending tokens to user

Lines of code Vulnerability details Impact RToken.redeem should claim rewards before sending tokens to user. Because after that he will not receive them anymore. Proof of Concept When user mints RToken, then he sends some tokens as collateral and they are stored by BackingManager. Some of...

Using old oracle prices for estimation users assets before redeeming

Lines of code Vulnerability details Impact Users can avoid correct estimation of assets and redeem more tokens than would redeem in case of estimation with updated oracle prices. Proof of Concept exitMarket function doesn't call oracle.updatePrice before checkRedeemAllowed check at all...

Malicious redeem prevention

Lines of code Vulnerability details Impact Sending FPS to a person affects his voteAnchor and can prevent him from withdrawing money for a long time Proof of Concept Since canRedeem function is using voteAnchor to determine holding period and sending FPS evokes adjustRecipientVoteAnchor, which...

Lack of slippage in redeem can result in loss of shares for redeemer

Lines of code Vulnerability details FPS holders can redeem their shares against zchf using redeem File: Equity.sol 276: function redeemaddress target, uint256 shares public returns uint256 //@audit no slippage, calculateProceeds can return 0 277: requirecanRedeemmsg.sender; 278: uint256 proceeds ...

sFrxEth may revert on redeeming non-zero amount

Lines of code Vulnerability details Impact Unstaking is blocked. Proof of Concept When unstaking the withdraw of each derivative is called. SfrxEth.withdraw calls IsFrxEthSFRXETHADDRESS.redeemamount, addressthis, addressthis;. This function may revert if amount is low due to the following line in...

March 28, 2023—KB5023774 (OS Build 22000.1761) Preview

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Upgraded Q -> 2 from #773 [1679568911031]

Judge has assessed an item in Issue 773 as 2 risk. The relevant finding follows: LACK OF SLIPPAGE PROTECTIONS FOR EOA IN FUNCTIONS LIKE ReaperVaultERC4626.deposit, ReaperVaultERC4626.mint, ReaperVaultERC4626.withdraw, AND ReaperVaultERC4626.redeem --- The text was updated successfully, but these...

Upgraded Q -> 2 from #596 [1677228840417]

Judge has assessed an item in Issue 596 as 2 risk. The relevant finding follows: withdraw and redeem function withdraw IERC4626 vault, address to, uint256 amount, uint256 maxSharesOut public payable virtual override returns uint256 sharesOut ERC20addressvault.safeApproveaddressvault, amount; if...

Possible Unauthorized Redemption of Collateral ERC20 Tokens due to Lack of Proper Check in redeem() Function

Lines of code Vulnerability details Impact An attacker who is not authorized by the smart contract could potentially redeem more tokens than they are entitled to. This could cause a loss of funds for the smart contract and its users, as well as potentially destabilizing the overall ecosystem...

redeem() should be possible when protocol is Paused but to be able to redeem function grantRTokenAllowance() should be called for any basket tokens and it can only be called when protocol is not paused

Lines of code Vulnerability details Impact Function redeem in RToken contract, redeems RToken for basket collateral and it's callable when protocol is paused. but function redeem transfers basket tokens from BackingManager contract to redeemer and it requires spending allowance of the BackingMang...