CVE-2025-27403— Ratify 授权问题漏洞
一分钟漏洞结论
影响对象
ratify-project ratify
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。
Ratify是Ratify开源的一个工件批准框架（CNCF沙盒）。 Ratify 1.2.3版本和1.3.2版本之前版本存在授权问题漏洞，该漏洞源于Azure身份验证提供程序未验证目标注册表是否为ACR，可能导致EID令牌被滥用。
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一、 漏洞 CVE-2025-27403 基础信息
漏洞信息
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Vulnerability Title
Ratify Azure authentication providers can leak authentication tokens to non-Azure container registries
来源: CVE Program / CVE List V5
Vulnerability Description
Ratify is a verification engine as a binary executable and on Kubernetes which enables verification of artifact security metadata and admits for deployment only those that comply with policies the user creates. In a Kubernetes environment, Ratify can be configured to authenticate to a private Azure Container Registry (ACR). The Azure workload identity and Azure managed identity authentication providers are configured in this setup. Users that configure a private ACR to be used with the Azure authentication providers may be impacted by a vulnerability that exists in versions prior to 1.2.3 and 1.3.2. Both Azure authentication providers attempt to exchange an Entra ID (EID) token for an ACR refresh token. However, Ratify’s Azure authentication providers did not verify that the target registry is an ACR. This could have led to the EID token being presented to a non-ACR registry during token exchange. EID tokens with ACR access can potentially be extracted and abused if a user workload contains an image reference to a malicious registry. As of versions 1.2.3 and 1.3.2, the Azure workload identity and Azure managed identity authentication providers are updated to add new validation prior to EID token exchange. Validation relies upon registry domain validation against a pre-configured list of well-known ACR endpoints. EID token exchange will be executed only if at least one of the configured well-known domain suffixes (wildcard support included) matches the registry domain of the image reference.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:L
来源: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
Ratify 授权问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Ratify是Ratify开源的一个工件批准框架（CNCF沙盒）。 Ratify 1.2.3版本和1.3.2版本之前版本存在授权问题漏洞，该漏洞源于Azure身份验证提供程序未验证目标注册表是否为ACR，可能导致EID令牌被滥用。
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 |
|---|---|---|---|---|
| ratify-project | ratify | < 1.2.3 | - |
|
二、漏洞 CVE-2025-27403 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2025-27403 补丁与修复 (2)
CVE-2025-27403 厂商安全公告 (1)
-
https://github.com/ratify-project/ratify/security/advisories/GHSA-44f7-5fj5-h4px x_refsource_CONFIRM
IV. Related Vulnerabilities
V. Comments for CVE-2025-27403
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