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CVE-2025-54126

WebAssembly Micro Runtime's `--addr-pool` option allows all IPv4 addresses when subnet mask is not specified

概要

WebAssembly Micro Runtime's --addr-pool option allows all IPv4 addresses when subnet mask is not specified

原文の説明

取得元が公開している説明をそのまま載せています (多くは英語)。

The WebAssembly Micro Runtime's (WAMR) iwasm package is the executable binary built with WAMR VMcore which supports WebAssembly System Interface (WASI) and command line interface. In versions 2.4.0 and below, iwasm uses --addr-pool with an IPv4 address that lacks a subnet mask, allowing the system to accept all IP addresses. This can unintentionally expose the service to all incoming connections and bypass intended access restrictions. Services relying on --addr-pool for restricting access by IP may unintentionally become open to all external connections. This may lead to unauthorized access in production deployments, especially when users assume that specifying an IP without a subnet mask implies a default secure configuration. This is fixed in version 2.4.1.

出典: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

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