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CVE-2025-52884— RISC Zero Ethereum 安全漏洞

一分钟漏洞结论

影响对象
risc0 risc0-ethereum
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

RISC Zero Ethereum是RISC Zero开源的一个计算平台。 RISC Zero Ethereum 2.1.1和2.2.0之前版本存在安全漏洞，该漏洞源于Steel.validateCommitment函数对摘要值为零的承诺返回true，可能导致语义违反。

AI 预测 5.3 利用难度: 理论可行 EPSS 0.41% · P33
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一、 漏洞 CVE-2025-52884 基础信息

漏洞信息
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Vulnerability Title
risc0-ethereum-contracts allows invalid commitment with digest value of zero to be accepted by Steel.validateCommitment
来源: CVE Program / CVE List V5
Vulnerability Description
RISC Zero is a zero-knowledge verifiable general computing platform, with Ethereum integration. The risc0-ethereum repository contains Solidity verifier contracts, Steel EVM view call library, and supporting code. Prior to versions 2.1.1 and 2.2.0, the `Steel.validateCommitment` Solidity library function will return `true` for a crafted commitment with a digest value of zero. This violates the semantics of `validateCommitment`, as this does not commitment to a block that is in the current chain. Because the digest is zero, it does not correspond to any block and there exist no known openings. As a result, this commitment will never be produced by a correct zkVM guest using Steel and leveraging this bug to compromise the soundness of a program using Steel would require a separate bug or misuse of the Steel library, which is expected to be used to validate the root of state opening proofs. A fix has been released as part of `risc0-ethereum` 2.1.1 and 2.2.0. Users for the `Steel` Solidity library versions 2.1.0 or earlier should ensure they are using `Steel.validateCommitment` in tandem with zkVM proof verification of a Steel program, as shown in the ERC-20 counter example, and documentation. This is the correct usage of Steel, and users following this pattern are not at risk, and do not need to take action. Users not verifying a zkVM proof of a Steel program should update their application to do so, as this is incorrect usage of Steel.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U
来源: CVE Program / CVE List V5
Vulnerability Type
特殊元素净化处理不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
RISC Zero Ethereum 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
RISC Zero Ethereum是RISC Zero开源的一个计算平台。 RISC Zero Ethereum 2.1.1和2.2.0之前版本存在安全漏洞，该漏洞源于Steel.validateCommitment函数对摘要值为零的承诺返回true，可能导致语义违反。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
risc0 risc0-ethereum < 2.1.1 -

二、漏洞 CVE-2025-52884 的公开POC

# POC 描述 源链接 神龙链接
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三、漏洞 CVE-2025-52884 的情报信息

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IV. Related Vulnerabilities

Same vendor: risc0
Same weakness: CWE-159

V. Comments for CVE-2025-52884

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