Last token of maximum supply can be paid, but it isn't minted nor reverted.

Lines of code Vulnerability details Description collectionCirculationSupply is incremented in each mint and it's used to check if the mint don't overtakes the collection's max supply. However, it increments before the check, which makes that although last token is in the max supply range, the...

Risk of Permanent ETH Loss for Bidders

Lines of code Vulnerability details Impact There's a risk of ETH becoming irretrievably locked in the contract if a bidder's address is a contract with either complex logic in its receive function or no receive function at all. In such cases, ETH transfers to these addresses could fail and result...

Bidder Can Retrieve Bid Amount Twice in claimAuction

Lines of code Vulnerability details Impact This vulnerability enables a bidder to recover their bid amount twice during the execution of the claimAuction function. Proof of Concept A race condition between the claimAuction and cancelBid functions allows a non-winning bidder to claim their bid...

No validation for the partyFactory contract !

Lines of code Vulnerability details Impact Malicious party contract can be deployed ! Proof of Concept Party contracts are created by the proxyFactory contract . In the initialize function , the proxyFactory contract address is provided by the user which may bring catastrophic consequences . This...

DoS Any Market by Frontrunning Creation with a Codehash Change

Lines of code Vulnerability details Impact Any market contract can be DoSed by sending a 1 wei transaction to the market address that will be created for a user. When an account has no code and has never been interacted with, the codehash will be bytes320. This will result in market creation...

DoS Any Controller by Frontrunning Creation with a Codehash Change

Lines of code Vulnerability details Impact Any controller contract can be DoSed by sending a 1 wei transaction to the controller address that will be created for a user. When an account has no code and has never been interacted with, the codehash will be bytes320. This will result in controller...

CVE-2023-46232 era-compiler-vyper First Immutable Variable Initialization vulnerability

era-compiler-vyper is the EraVM Vyper compiler for zkSync Era, a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. Prior to era-compiler-vype version 1.3.10, a bug prevented the initialization of the first immutable variable for Vyper contracts meeting certain criteria. The proble...

CVE-2023-46232 era-compiler-vyper First Immutable Variable Initialization vulnerability

era-compiler-vyper is the EraVM Vyper compiler for zkSync Era, a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. Prior to era-compiler-vype version 1.3.10, a bug prevented the initialization of the first immutable variable for Vyper contracts meeting certain criteria. The proble...

Centralisation risk

Lines of code Vulnerability details Impact The protocol has a onlyGovernor role with privileged rights to perform administrator tasks that can affect users. Proof of Concept The governorhave control over crucial function that can be updated and change according to the governor discretion. functio...

getModulesPaginated does not return the correct data

Lines of code Vulnerability details Impact In ConsoleFallbackHandler, you can call getModules to return the first 10 modules: function getModules external view returns address memory GnosisSafe safe = GnosisSafepayablemsg.sender; address memory array, = safe.getModulesPaginatedSENTINELMODULES, 10...

Compiler version used by Brahma contracts may introduce permanent bugs in the future

Lines of code Vulnerability details Impact Lack of upgradeability of protocol to adapt with new pragma version may introduce a risk of being targeted by malicious actors if the pragma version 0.8.19 introduce bugs in the future. Here's the list of previous solidity compiler bugs for your referenc...

The Fake Browser Update Scam Gets a Makeover

One of the oldest malware tricks in the book -- hacked websites claiming visitors need to update their Web browser before they can view any content -- has roared back to life in the past few months. New research shows the attackers behind one such scheme have developed an ingenious way of keeping...

use higher version of openzeppelin library instead of vulnerible ones.

Lines of code Vulnerability details Impact the Op lib has some dangerous vulnerabilities in lower versions especially when you work with ERC1155 Openzeppelin already says the lower versions are vulnerable. Affected versions = 4.2.0 Tools Used vs code Recommended Mitigation Steps upgrade versions ...

people can steal others voting power by creating mlicous proxy contracts

Lines of code Vulnerability details Impact bad actor can control over the other peoples voting power in delegate proxy contracts. lets start from delegateMulti when somebody calls it it leads to delegateMulti and it calls processDelegationsource, target, amount; in the process of loop. if you loo...

OpenZeppelin 's recent v5.0.0 release includes many changes to libraries/contracts that can directly affect ERC20MultiDelegate functionality

Lines of code Vulnerability details Impact OpenZeppelin just released v5.0.0, and there happen to be several significant changes that directly affect the ERC20MultiDelegate implementation, directly and indirectly, via packages used and inherited from. Here’s a link to the release: Below is a...

Hash Collisions and Front-Running Risk

Lines of code Vulnerability details Salt Value in Proxy Deployment: The contract uses a salt value of 0 during the deployment of proxy delegator contracts. This introduces a significant security concern related to potential hash collisions. If multiple delegators attempt to deploy to the same...

Caracal - Static Analyzer For Starknet Smart Contracts

Caracal is a static analyzer tool over the SIERRA representation for Starknet smart contracts. Features Detectors to detect vulnerable Cairo code Printers to report information Taint analysis Data flow analysis framework Easy to run in Scarb projects Installation Precompiled binaries Precompiled...

Lack of access control in claimConcentratedRewards and claimAmbientRewards functions allows unauthorized fund drainage. Implement access restrictions.

Lines of code Vulnerability details Impact Any caller can call claimConcentratedRewards or claimAmbientRewards and drain funds. The contract should restrict calling these functions to authorized roles. Proof of Concept The lack of access control on claimConcentratedRewards and claimAmbientRewards...

Improper Encoding

firefox is vulnerable to Improper Encoding. The vulnerability exists due to improperly validating curl command which allows an attacker to cause unintended behavior in smart contracts that rely on the sender's accurate identification...

New Ward Can Revoke Admin Access

Lines of code Vulnerability details Impact A Newly added ward can remove all the wards from the system, including the admin one. Proof of Concept There is not a mechanism to prevent newly added wards from removing everyone else access' to the contracts, including the admin. Tools Used Manual...