CVE-2021-20163

Trendnet AC2600 TEW-827DRU version 2.08B01 leaks information via the ftp web page. Usernames and passwords for all ftp users are revealed in plaintext on the ftpserver.asp page...

CVE-2021-35031

A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device...

mintSynth() can transfer funds from an arbitrary address

Handle Critical Vulnerability details Impact Attackers can steal funds from users' balances for those who approved the VaderPoolV2 contract. Proof of Concept nativeAsset.safeTransferFromfrom, addressthis, nativeDeposit; VaderPoolV2.mintSynth allows anyone to transfer funds from an arbitrary addre...

CVE-2021-21877

Specially-crafted HTTP requests can lead to arbitrary command execution in “GET” requests. An attacker can make authenticated HTTP requests to trigger this vulnerability...

ERC20 return values not checked

Handle cmichel Vulnerability details The ERC20.transfer, ERC20.transferFrom, ERC20.approve functions return a boolean value indicating success. This parameter needs to be checked for success. Some tokens do not revert if the transfer failed but return false instead. Examples:...

Unsafe transfer in XTokenUpgradeable

Handle 0x1f8b Vulnerability details Impact Unsafe transfer was done. Proof of Concept In the method XTokenUpgradeable.burnXTokens it's made a transfer without checking the boolean result, ERC20 standard specify that the token can return false if the transfer was not made, so it's mandatory to che...

Lack of access control allows attacker to call wrap() and steal other user's wallet balance

Handle WatchPug Vulnerability details function wrapuint amount, address from, address to, address rewardOwner external override JLP.transferFromfrom, addressthis, amount; JLP.approveaddressMasterChefJoe, amount; // stake LP tokens in Trader Joe's. // In process of depositing, all this contract's ...

Lantronix PremierWave 2050 路径遍历漏洞

The Lantronix PremierWave 2050 is an embedded enterprise Wi-Fi module from Lantronix, Inc. A security vulnerability exists in the Lantronix PremierWave 2050 due to a lack of effective restriction and filtering of directory access by the software-focused Web Manager FsTFtp feature. An attacker cou...

'wrap' tokens that you are not entitled to

Handle pauliax Vulnerability details Impact function wrap can be called by anyone. It accepts arbitrary from and to, and transfers 'from', and mints 'to'. A malicious actor can transfer from other users that have approved the contract before, e.g. an EOA user will need to execute 2 txs: first,...

Reward not transferred correctly

Handle csanuragjain Vulnerability details Impact Monetary loss for user Proof of Concept 1. Navigate to contract at 2. Let us see sendJoeReward function function sendJoeRewardaddress rewardOwner, address to internal // harvests all JOE that the WJLP contract is owed MasterChefJoe.withdrawpoolPid,...

XTokenUpgradeable burnXTokens doesn't check baseToken transfer result

Handle hyh Vulnerability details Impact Transaction will not be reverted on failed transfer, setting system state as if it was successful. User will have the remainder funds frozen within the system. Proof of Concept burnXTokens does the baseToken transfer after burning the shares: Recommended...

KLA12434 Multiple vulnerabilities in Opera

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service. Below is a complete list of vulnerabilities: 1. Heap buffer overflow vulnerability in Task Manager can be exploited to execute arbitrary code or caus...

Minting and burning synths exposes users to unlimited slippage

Handle TomFrenchBlockchain Vulnerability details Impact LPs remaining in VaderPool end up paying all transfer fees for LPs which leave the pool. Proof of Concept See VaderPoolV2.mintSynth: Here a user sends nativeDeposit to the pool and the equivalent amount of foreignAsset is minted as a synth t...

Unchecked return value for token.transfer call

Handle WatchPug Vulnerability details It is usually good to add a require-statement that checks the return value or to use something like safeTransfer; unless one is sure the given token reverts in case of a failure. Instances include: IERC20Upgradeablevault.transferto, minTokenIn-amountToken;...

Use safeTransfer/safeTransferFrom consistently

Handle sirhashalot Vulnerability details Impact A transfer function can fail without reverting. To prepare for such situations, a contract should either check the return value of the transfer function or use a solution such as Open Zeppelin's SafeTransfer function. Only a few places in this proje...

WJLP contract doesn't check for JOE and JLP token transfers success

Handle hyh Vulnerability details Impact Transactions will not be reverted on failed transfer call, setting system state as if it was successful. This will lead to wrong state accounting down the road with a wide spectrum of possible consequences. Proof of Concept safeJoeTransfer do not check for...

WJLP._safeJoeTransfer should return amount actually sent

Handle hyh Vulnerability details Impact User's rewards can be partial lost as system will write down all current rewards as transferred, while actual transfer amount can be smaller. WJLP will be still accounted for the remaining part of rewards by Trader Joe, but there will be no link to the user...

wrong withdraw

Handle certora Vulnerability details the comment says that the function should byrn user shares, but it also mints them. in addition, that function transfers tokens from msg.sender to addressthis, but it should be upside down. --- The text was updated successfully, but these errors were...

Unsafe token transfer

Handle WatchPug Vulnerability details Calling ERC20.transfer without handling the returned value is unsafe. outputToken.transfermsg.sender, outputTokenBalance; Recommendation Consider using OpenZeppelin's SafeERC20 library with safe versions of transfer functions. --- The text was updated...

unchecked return value from transfer()

Handle JMukesh Vulnerability details Impact transfer does not check the return , due which transfer may get failed without reverting . some tokens does not revert on failure , they just return false Proof of Concept Tools Used manual review Recommended Mitigation Steps use safetransferFrom from o...