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.
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Wed, 30 Jul 2025 19:15:00 +0000
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Wed, 30 Jul 2025 11:15:00 +0000
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Bytecodealliance
Bytecodealliance webassembly Micro Runtime |
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Bytecodealliance
Bytecodealliance webassembly Micro Runtime |
Tue, 29 Jul 2025 22:00:00 +0000
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Description | 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. | |
Title | WebAssembly Micro Runtime's `--addr-pool` option allows all IPv4 addresses when subnet mask is not specified | |
Weaknesses | CWE-668 | |
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cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2025-07-29T21:52:36.253Z
Updated: 2025-07-30T18:12:22.511Z
Reserved: 2025-07-16T23:53:40.509Z
Link: CVE-2025-54126

Updated: 2025-07-30T18:12:18.396Z

Status : Awaiting Analysis
Published: 2025-07-29T22:15:25.503
Modified: 2025-07-31T18:42:56.503
Link: CVE-2025-54126

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