CVE-2023-42460 _abi_decode input not validated in complex expressions in Vyper

Vyper is a Pythonic Smart Contract Language for the EVM. The abidecode function does not validate input when it is nested in an expression. Uses of abidecode can be constructed which allow for bounds checking to be bypassed resulting in incorrect results. This issue has not yet been fixed, but a...

CVE-2023-42460 _abi_decode input not validated in complex expressions in Vyper

Vyper is a Pythonic Smart Contract Language for the EVM. The abidecode function does not validate input when it is nested in an expression. Uses of abidecode can be constructed which allow for bounds checking to be bypassed resulting in incorrect results. This issue has not yet been fixed, but a...

CVE-2023-42460 _abi_decode input not validated in complex expressions in Vyper

Vyper is a Pythonic Smart Contract Language for the EVM. The abidecode function does not validate input when it is nested in an expression. Uses of abidecode can be constructed which allow for bounds checking to be bypassed resulting in incorrect results. This issue has not yet been fixed, but a...

CVE-2023-42460

CVE-2023-42460 affects Vyper (EVM Python-like language). The _abi_decode() function does not validate input when nested in an expression, enabling construction that bypasses bounds checking and may yield incorrect results. No exploitation details are provided in the documents, and the vulnerabili...

CVE-2023-42441

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. Starting in version 0.2.9 and prior to version 0.3.10, locks of the type @nonreentrant"" or @nonreentrant'' do not produce reentrancy checks at runtime. This issue is fixed in version 0.3.10. As a workaround, ensure...

CVE-2023-42443

Vyper

CVE-2023-42441 Vyper has incorrect re-entrancy lock when key is empty string

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. Starting in version 0.2.9 and prior to version 0.3.10, locks of the type @nonreentrant"" or @nonreentrant'' do not produce reentrancy checks at runtime. This issue is fixed in version 0.3.10. As a workaround, ensure...

CVE-2023-42441

CVE-2023-42441 affects the Vyper language. From versions 0.2.9 up to, but not including, 0.3.10, locks using @nonreentrant("") or @nonreentrant('') fail to perform reentrancy checks at runtime. The issue is fixed in version 0.3.10. As a workaround, ensure the lock name is a non-empty string. Affe...

CVE-2023-42441 Vyper has incorrect re-entrancy lock when key is empty string

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. Starting in version 0.2.9 and prior to version 0.3.10, locks of the type @nonreentrant"" or @nonreentrant'' do not produce reentrancy checks at runtime. This issue is fixed in version 0.3.10. As a workaround, ensure...

Vyper Security Vulnerability

Vyper is the Pythonic smart contract language for EVM. A security vulnerability exists in Vyper versions 0.2.9 through 0.3.10, which stems from the fact that locks of type @nonreentrant or @nonreentrant are not reentrant-checked at runtime...

Deployment issues with chains not compatible with Shanghai hardfork

Lines of code Vulnerability details Impact Besides issues with deployment &maintenance contracts; A Big Issues is quoted below from an audit finding... "This could also become a problem if different versions of Solidity are used to compile contracts for different chains. The differences in byteco...

Failed transfer with low level call could be overlooked

Lines of code Vulnerability details Impact In LendingLedger.sol and votingEscrow.sol, low level call made using the call, According to the Solidity docs, "The low-level functions call, delegatecall and staticcall return true as their first return value if the account called is non-existent, as pa...

CVE-2023-39363

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. In versions 0.2.15, 0.2.16 and 0.3.0, named re-entrancy locks are allocated incorrectly. Each function using a named re-entrancy lock gets a unique lock regardless of the key, allowing cross-function re-entrancy in...

Xxe

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. In versions 0.2.15, 0.2.16 and 0.3.0, named re-entrancy locks are allocated incorrectly. Each function using a named re-entrancy lock gets a unique lock regardless of the key, allowing cross-function re-entrancy in...

CVE-2023-39363

Vyper CVE-2023-39363 vulnerability: in Vyper versions 0.2.15, 0.2.16, and 0.3.0, named re-entrancy locks are allocated per function, not per key, enabling cross-function re-entrancy when a contract uses @nonreentrant with a specific key and path-dependent state updates before storage (breaking ch...

CVE-2023-39363 Vyper incorrectly allocated named re-entrancy locks

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. In versions 0.2.15, 0.2.16 and 0.3.0, named re-entrancy locks are allocated incorrectly. Each function using a named re-entrancy lock gets a unique lock regardless of the key, allowing cross-function re-entrancy in...

CVE-2023-37902

Vyper is a Pythonic programming language that targets the Ethereum Virtual Machine EVM. Prior to version 0.3.10, the ecrecover precompile does not fill the output buffer if the signature does not verify. However, the ecrecover builtin will still return whatever is at memory location 0. This means...

PYSEC-2023-133

Vyper is a Pythonic programming language that targets the Ethereum Virtual Machine EVM. Prior to version 0.3.10, the ecrecover precompile does not fill the output buffer if the signature does not verify. However, the ecrecover builtin will still return whatever is at memory location 0. This means...

CVE-2023-37902 Vyper's ecrecover can return undefined data if signature does not verify

Vyper is a Pythonic programming language that targets the Ethereum Virtual Machine EVM. Prior to version 0.3.10, the ecrecover precompile does not fill the output buffer if the signature does not verify. However, the ecrecover builtin will still return whatever is at memory location 0. This means...

CVE-2023-37902

Vyper (Pythonic language for the EVM) has a vulnerability in the ecrecover precompile prior to version 0.3.10, where the output buffer may contain undefined data if a signature does not verify. The ecrecover builtin can still return memory contents at address 0, potentially causing a signature ch...