漏洞信息
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Vulnerability Title
Integer underflow in Frontier
Vulnerability Description
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 production WebAssembly binaries), the impact is limited as it can only cause a normal EVM out-of-gas. Users who do not use MODEXP precompile in their runtime are not impacted. A patch is available in pull request #549.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
整数下溢(超界折返)
Vulnerability Title
Frontier 数字错误漏洞
Vulnerability Description
Frontier是一个 Substrate 的以太坊兼容层。用于运行未经修改的以太坊 Dapp。 Frontier 中存在数字错误漏洞,该漏洞源于Frontier 的 MODEXP 预编译实现中的一个错误可能会在某些情况下导致整数下溢。这将导致调试构建的节点崩溃。
CVSS Information
N/A
Vulnerability Type
N/A