cert-manager: Direct ACME Challenge resources can bypass Issuer DNS01 solver policy and use ClusterIssuer DNS credentials
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| cert-manager | cert-manager | affected |
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Configuration 1 [-]
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No data.
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| Cert-manager | Cert-manager |
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| Source | ID | Title |
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Github GHSA |
GHSA-8rvj-mm4h-c258 | cert-manager: Direct ACME Challenge resources can bypass Issuer DNS01 solver policy and use ClusterIssuer DNS credentials |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.112% probability within 30 days)
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| Metrics |
ssvc
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| First Time appeared |
Cert-manager
Cert-manager cert-manager |
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| Vendors & Products |
Cert-manager
Cert-manager cert-manager |
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| Description | cert-manager adds certificates and certificate issuers as resource types in Kubernetes clusters, and simplifies the process of obtaining, renewing and using those certificates. From 1.18.0 until 1.19.6 and 1.20.3, Challenge resources under acme.cert-manager.io can be created directly by namespace users without admission validation tying the Challenge to an Order, owner reference, or Issuer-selected solver, allowing attacker-controlled Challenge.spec.solver values referencing a ClusterIssuer to bypass DNS01 solver selectors such as dnsZones, dnsNames, and matchLabels and cause cert-manager to use ClusterIssuer DNS credentials for attacker-selected provider settings and DNS names, including disclosure of X-Api-User and X-Api-Key headers for acme-dns. This issue is fixed in versions 1.19.6 and 1.20.3. | |
| Title | cert-manager: Direct ACME Challenge resources can bypass Issuer DNS01 solver policy and use ClusterIssuer DNS credentials | |
| Weaknesses | CWE-863 | |
| References |
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| Metrics |
cvssV3_1
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