CVE-2022-21685 Integer underflow in Frontier

Frontier is Substrate's Ethereum compatibility layer. Prior to commit number 8a93fdc6c9f4eb1d2f2a11b7ff1d12d70bf5a664, a bug in Frontier's MODEXP precompile implementation can cause an integer underflow in certain conditions. This will cause a node crash for debug builds. For release builds and...

CVE-2022-21685

CVE-2022-21685 affects Frontier’s MODEXP precompile in Substrate’s Ethereum compatibility layer. The root cause is a bug in the MODEXP precompile that can trigger an integer underflow. Impact: Debug builds: possible node crash Release/WebAssembly: limited impact to EVM out-of-gasMitigation: apply...

Frontier 数字错误漏洞

Frontier is an ethereum-compatible layer of Substrate. A numeric error vulnerability exists in Frontier, which stems from a bug in Frontier's pre-compiled implementation of MODEXP that could lead to integer underflow in some cases. This would cause the node of the debug build to crash. No detaile...