CVE-2024-53267— sigstore-java 安全漏洞
一分钟漏洞结论
影响对象
sigstore sigstore-java
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。
sigstore-java是sigstore开源的一个用于与 sigstore 基础架构交互的 sigstore java 客户端。 sigstore-java存在安全漏洞，该漏洞源于sigstore-java 无法充分验证有效签名但mismatched的捆绑包是否被纳入透明日志。
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一、 漏洞 CVE-2024-53267 基础信息
漏洞信息
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Vulnerability Title
Vulnerability with bundle verification in sigstore-java
来源: CVE Program / CVE List V5
Vulnerability Description
sigstore-java is a sigstore java client for interacting with sigstore infrastructure. sigstore-java has insufficient verification for a situation where a validly-signed but "mismatched" bundle is presented as proof of inclusion into a transparency log. This bug impacts clients using any variation of KeylessVerifier.verify(). The verifier may accept a bundle with an unrelated log entry, cryptographically verifying everything but fails to ensure the log entry applies to the artifact in question, thereby "verifying" a bundle without any proof the signing event was logged. This allows the creation of a bundle without fulcio certificate and private key combined with an unrelated but time-correct log entry to fake logging of a signing event. A malicious actor using a compromised identity may want to do this to prevent discovery via rekor's log monitors. The signer's identity will still be available to the verifier. The signature on the bundle must still be on the correct artifact for the verifier to pass. sigstore-gradle-plugin and sigstore-maven-plugin are not affected by this as they only provide signing functionality. This issue has been patched in v1.1.0 release with PR #856. All users are advised to upgrade. There are no known workarounds for this vulnerability.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
sigstore-java 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
sigstore-java是sigstore开源的一个用于与 sigstore 基础架构交互的 sigstore java 客户端。 sigstore-java存在安全漏洞，该漏洞源于sigstore-java 无法充分验证有效签名但mismatched的捆绑包是否被纳入透明日志。
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 |
|---|---|---|---|---|
| sigstore | sigstore-java | >= 1.0.0, < 1.1.0 | - |
|
二、漏洞 CVE-2024-53267 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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IV. Related Vulnerabilities
V. Comments for CVE-2024-53267
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