Unauthorized Contract Upgrade Vulnerability in Upgradable Contract

Lines of code Vulnerability details In the "upgrade" function, the contract allows the owner to upgrade the contract to a new implementation using the provided address and code hash. However, there is a flaw in the implementation that can allow an attacker to bypass the contract upgrade checks an...

LlamaAccount can be tricked to selfdestruct with an upgradable contract

Lines of code Vulnerability details Impact The LlamaAccount contract will be destroyed and all the assets can be lost. Proof of Concept In execute, we use readSlot0 to prevent a malicious or buggy target from taking ownership of this contract. But the malicious target can send all the assets and...

Incorrect Handling of Return Value in onlyWhenNotPaused Modifier

Lines of code Vulnerability details Description: contract named "L1ChugSplashProxy" which is a proxy contract with additional functionality for code and storage modification. However, there is a bug in the code that needs to be addressed. Bug: The bug is in the modifier onlyWhenNotPaused function...

Broken Upgradable Logic in Pool.sol

Lines of code Vulnerability details Impact The Pool smart contract allows a user to predeposit ETH so that it can be used when a seller takes their bid. It uses an ERC1967 proxy pattern and only the exchange contract is permitted to make transfers. The smart contract inherits the...

No storage gap for Upgradable contract might lead to storage slot collision

Lines of code Vulnerability details Impact For Upgradable contracts, there must be storage gap to “allow developers to freely add new state variables in the future without compromising the storage compatibility with existing deployments” quote OpenZeppelin. Otherwise it may be very difficult to...

Anyone Can Become Owner Of XC20Wrapper Contract

Lines of code Vulnerability details Anyone can become the owner of the XC20Wrapper contract by calling the XC20Wrapper.setup function. Proof-of-Concept The XC20Wrapper contract inherits from Upgradable contract. contract XC20Wrapper is AxelarExecutable, Upgradable As such, the XC20Wrapper contrac...

[WP-H3] Imprecise management of users' allowance allows the admin of the upgradeable proxy contract to rug users

Lines of code Vulnerability details In the current implementation, when there is a fee on follow or collect, users need to approve to the follow modules or collect module contract, and then the Hub contract can call processFollow and transfer funds from an arbitrary address as the follower...

reputation risk via upgradable contracts

Handle gpersoon Vulnerability details Impact The contract SwappableYieldSource is upgradable. This means the owner could upgrade and change the contract so any new functionality. Amongst others the owner could retrieve all the tokens of the Yieldsource and transfer them out. The project could sti...