CVE-2022-36025
Incorrect Conversion between Numeric Types in Besu Ethereum Client
En resumen
El cliente Ethereum Besu calcula incorrectamente el gas en llamadas a contratos debido a un error de conversión de tipos numéricos, permitiendo que transacciones consuman más gas del solicitado o causando fallos de consenso en la blockchain.
Detalle técnico
Un defecto de conversión entre enteros con y sin signo de 32 bits en el cálculo de gas de operaciones CALL/DELEGATECALL causa valores de gas incorrectos pasados a contratos llamados. Esto resulta en incompatibilidad de estado raíz entre implementaciones EVM (fallo de consenso) o consumo excesivo de gas en redes de una sola implementación, comprometiendo la integridad de la red.
Resumen generado y traducido por IA a partir de la descripción oficial.
Besu is a Java-based Ethereum client. In versions newer than 22.1.3 and prior to 22.7.1, Besu is subject to an Incorrect Conversion between Numeric Types. An error in 32 bit signed and unsigned types in the calculation of available gas in the CALL operations (including DELEGATECALL) results in incorrect gas being passed into called contracts and incorrect gas being returned after call execution. Where the amount of gas makes a difference in the success or failure, or if the gas is a negative 64 bit value, the execution will result in a different state root than expected, resulting in a consensus failure in networks with multiple EVM implementations. In networks with a single EVM implementation this can be used to execute with significantly more gas than then transaction requested, possibly exceeding gas limitations. This issue is patched in version 22.7.1. As a workaround, reverting to version 22.1.3 or earlier will prevent incorrect execution.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Productos afectados
hyperledger · besu¿Quieres saber si tu infraestructura está expuesta a esto?
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