ghsa-mfv7-gq43-w965
Vulnerability from github
Published
2021-09-07 23:09
Modified
2021-09-14 18:47
Severity ?
Summary
Incomplete List of Disallowed Inputs in Kubernetes
Details
A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.
{ "affected": [ { "package": { "ecosystem": "Go", "name": "k8s.io/kubernetes" }, "ranges": [ { "events": [ { "introduced": "1.16.0" }, { "fixed": "1.18.19" } ], "type": "ECOSYSTEM" } ] }, { "package": { "ecosystem": "Go", "name": "k8s.io/kubernetes" }, "ranges": [ { "events": [ { "introduced": "1.19.0" }, { "fixed": "1.19.11" } ], "type": "ECOSYSTEM" } ] }, { "package": { "ecosystem": "Go", "name": "k8s.io/kubernetes" }, "ranges": [ { "events": [ { "introduced": "1.20.0" }, { "fixed": "1.20.7" } ], "type": "ECOSYSTEM" } ] }, { "package": { "ecosystem": "Go", "name": "k8s.io/kubernetes" }, "ranges": [ { "events": [ { "introduced": "1.21.0" }, { "fixed": "1.21.1" } ], "type": "ECOSYSTEM" } ], "versions": [ "1.21.0" ] } ], "aliases": [ "CVE-2021-25737" ], "database_specific": { "cwe_ids": [ "CWE-184", "CWE-601" ], "github_reviewed": true, "github_reviewed_at": "2021-09-07T18:59:14Z", "nvd_published_at": "2021-09-06T12:15:00Z", "severity": "MODERATE" }, "details": "A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.", "id": "GHSA-mfv7-gq43-w965", "modified": "2021-09-14T18:47:27Z", "published": "2021-09-07T23:09:24Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-25737" }, { "type": "WEB", "url": "https://github.com/kubernetes/kubernetes/issues/102106" }, { "type": "PACKAGE", "url": "https://github.com/kubernetes/kubernetes" }, { "type": "WEB", "url": "https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20211004-0004" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "type": "CVSS_V3" } ], "summary": "Incomplete List of Disallowed Inputs in Kubernetes" }
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.