CVE-2025-47282— Malicious google credential in DNS secret can lead to privilege escalation
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I. Basic Information for CVE-2025-47282
Vulnerability Information
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Vulnerability Title
Malicious google credential in DNS secret can lead to privilege escalation
Source: NVD (National Vulnerability Database)
Vulnerability Description
Gardener External DNS Management is an environment to manage external DNS entries for a kubernetes cluster. A security vulnerability was discovered in Gardener's External DNS Management prior to version 0.23.6 that could allow a user with administrative privileges for a Gardener project or a user with administrative privileges for a shoot cluster, including administrative privileges for a single namespace of the shoot cluster, to obtain control over the seed cluster where the shoot cluster is managed. This CVE affects all Gardener installations no matter of the public cloud provider(s) used for the seed clusters/shoot clusters. The affected component is `gardener/external-dns-management`. The `external-dns-management` component may also be deployed on the seeds by the `gardener/gardener-extension-shoot-dns-service` extension when the extension is enabled. In this case, all versions of the `shoot-dns-service` extension `<= v1.60.0` are affected by this vulnerability. Version 0.23.6 of Gardener External DNS Management fixes the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
External DNS Management 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
External DNS Management是Gardener开源的一个用于管理kubernetes集群外部DNS条目的环境。 External DNS Management 0.23.6之前版本存在输入验证错误漏洞，该漏洞源于DNS中的恶意谷歌凭证，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| gardener | external-dns-management | < 0.23.6 | - |
II. Public POCs for CVE-2025-47282
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|---|
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Same Patch Batch · gardener · 2025-05-19 · 3 CVEs total
| CVE-2025-47284 | Gardener vulnerable to metadata injection for a project secret that can lead to privilege | |
| CVE-2025-47283 | Bypassing project secret validation can lead to privilege escalation |
IV. Related Vulnerabilities
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