GHSA-MGV8-GGGW-MRG6 vyper vulnerable to storage allocator overflow

Impact The storage allocator does not guard against allocation overflows. This can result in vulnerabilities like the following: vyper owner: publicaddress takeupsomespace: publicuint25610 buffer: publicuint256maxvalueuint256 @external def initialize: self.owner = msg.sender @external def fooidx:...

GHSA-93HQ-5WGC-JC82 GovernorCompatibilityBravo may trim proposal calldata

Impact The proposal creation entrypoint propose in GovernorCompatibilityBravo allows the creation of proposals with a signatures array shorter than the calldatas array. This causes the additional elements of the latter to be ignored, and if the proposal succeeds the corresponding actions would...

GovernorCompatibilityBravo may trim proposal calldata

Impact The proposal creation entrypoint propose in GovernorCompatibilityBravo allows the creation of proposals with a signatures array shorter than the calldatas array. This causes the additional elements of the latter to be ignored, and if the proposal succeeds the corresponding actions would...

CVE-2023-30541 TransparentUpgradeableProxy clashing selector calls may not be delegated in @openzeppelin/contracts

OpenZeppelin Contracts is a library for secure smart contract development. A function in the implementation contract may be inaccessible if its selector clashes with one of the proxy's own selectors. Specifically, if the clashing function has a different signature with incompatible ABI encoding,...

GHSA-MX2Q-35M2-X2RH OpenZeppelin Contracts TransparentUpgradeableProxy clashing selector calls may not be delegated

Impact A function in the implementation contract may be inaccessible if its selector clashes with one of the proxy's own selectors. Specifically, if the clashing function has a different signature with incompatible ABI encoding, the proxy could revert while attempting to decode the arguments from...

OpenZeppelin 安全漏洞

OpenZeppelin is a software application. A standard for secure blockchain applications. A security vulnerability exists in OpenZeppelin Contracts prior to version 4.8.3, which stems from the fact that if conflicting functions have different signatures and incompatible ABI encodings, an agent may...

CVE-2023-30542

OpenZeppelin Contracts is a library for secure smart contract development. The proposal creation entrypoint propose in GovernorCompatibilityBravo allows the creation of proposals with a signatures array shorter than the calldatas array. This causes the additional elements of the latter to be...

Design/Logic Flaw

OpenZeppelin Contracts is a library for secure smart contract development. The proposal creation entrypoint propose in GovernorCompatibilityBravo allows the creation of proposals with a signatures array shorter than the calldatas array. This causes the additional elements of the latter to be...

CVE-2023-30542 GovernorCompatibilityBravo may trim proposal calldata

OpenZeppelin Contracts is a library for secure smart contract development. The proposal creation entrypoint propose in GovernorCompatibilityBravo allows the creation of proposals with a signatures array shorter than the calldatas array. This causes the additional elements of the latter to be...

CVE-2023-30542 GovernorCompatibilityBravo may trim proposal calldata

OpenZeppelin Contracts is a library for secure smart contract development. The proposal creation entrypoint propose in GovernorCompatibilityBravo allows the creation of proposals with a signatures array shorter than the calldatas array. This causes the additional elements of the latter to be...

Contracts are susceptible for Head Overflow Bug in Calldata

Lines of code Vulnerability details Impact ABI-encoding a tuple with a statically-sized calldata array in the last component would corrupt 32 leading bytes of its first dynamically encoded component. Proof of Concept The functions are taking input arguments as calldata. Following contracts are...

SWC-109 Uninitialized Storage Pointer

Lines of code Vulnerability details Impact Uninitialized storage variables can point to unexpected storage locations. Proof of Concept // Exploitable Vulnerability MemoryPointer callData; Tools Used github Recommended Mitigation Steps // Initialize variable "callData" or set the storage attribute...

[Medium-2] Sponsored transactions can be abused for profit

Lines of code Vulnerability details Impact When a user executes a transaction with their SmartAccount, the function execTransaction can be used. In some cases, some protocols want to get promoted and will sponsorize users of the abstract wallet transactions by refunding them back their gas usage ...

Reentrancy in GroupBuy.purchase allows buying NFT twice

Lines of code Vulnerability details Impact In GroupBuy.purchase, poolInfopoolId.success which prevents buying the same NFT again is only set to true after the sale was executed. This can be exploited by reentering in the following line: address vault = IMarketBuyermarket.executevalue:...

arbitrary low level call

Lines of code Vulnerability details Impact An attacker may perform call to an arbitrary address with controlled calldata Proof of Concept File: contracts\DepositHandler.sol: 23 if callee.code.length == 0 revert NotContract; 24: success, returnData = callee.calldata; 25 references: Tools Used vsco...

Malicious Relayers Could Favor Their Routers

Lines of code Vulnerability details Vulnerability Details Assume that a malicious relayer operates a router in Connext providing fast-liquidity service. A malicious relayer could always swap the routers within the execute calldata with the routers owned by malicious relayer, and submit it to the...

User can bypass entryFee by sending arbitrary calldata to ParaSwap operator

Lines of code Vulnerability details Impact Any user is able to bypass the entryFee collection when using NestedFactory.create by passing in arbitrary calldata when using the ParaSwap router. High level, a user can pass in calldata to swap from a miniscule amount of input token to an ERC777 with...

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: /...

Owner can whitelist addresses for swaps and steal approved assets from users

Lines of code Vulnerability details Impact There is a common vulnerability with aggregator/bridge contracts where passing in arbitrary calldata can do unwanted actions such as steal tokens that were approved to that contract. While there is a whitelist system set up, there is no stopping a...

All swapping functions lack checks for returned tokens

Lines of code Vulnerability details Impact Every function that stems from the GenericSwapFacet lacks checks to ensure that some tokens have been returned via the swaps. In LibSwap.sol in the swap function, the swap call is sent to the target DEX. A return of success is required, otherwise the...