Vulnerability-Lookup

GHSA-GC2P-G4FG-29VH

Vulnerability from github – Published: 2022-05-24 16:44 – Updated: 2025-04-24 17:41

Summary

Kubernetes did not effectively clear service account credentials

Details

In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() method returns a copy of the provided config, with credentials removed (bearer token, username/password, and client certificate/key data). In the affected versions, rest.AnonymousClientConfig() did not effectively clear service account credentials loaded using rest.InClusterConfig()

Severity

8.1 (High)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "k8s.io/kubernetes"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.12.0"
            },
            {
              "fixed": "1.12.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "k8s.io/kubernetes"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.13.0"
            },
            {
              "fixed": "1.13.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2019-11243"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-212",
      "CWE-271"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-04-24T17:41:45Z",
    "nvd_published_at": "2019-04-22T15:29:00Z",
    "severity": "HIGH"
  },
  "details": "In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() method returns a copy of the provided config, with credentials removed (bearer token, username/password, and client certificate/key data). In the affected versions, rest.AnonymousClientConfig() did not effectively clear service account credentials loaded using rest.InClusterConfig()",
  "id": "GHSA-gc2p-g4fg-29vh",
  "modified": "2025-04-24T17:41:45Z",
  "published": "2022-05-24T16:44:02Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11243"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/issues/76797"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/kubernetes/kubernetes"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20190509-0002"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Kubernetes did not effectively clear service account credentials"
}

CVE-2019-11243 (GCVE-0-2019-11243)

Vulnerability from cvelistv5 – Published: 2019-04-22 14:54 – Updated: 2024-08-04 22:48

Summary

Severity

3.1 (Low)


                        
                          CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE

CWE-271 - Privilege Dropping / Lowering Errors

Assigner

kubernetes mitre root

References

3 references

URL	Tags
https://github.com/kubernetes/kubernetes/issues/76797	x_refsource_MISC
http://www.securityfocus.com/bid/108053	vdb-entryx_refsource_BID
https://security.netapp.com/advisory/ntap-2019050…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Kubernetes	Kubernetes	Affected: v1.12 , ≤ v1.12.4 (custom) Affected: v1.13 , ≤ v1.13.0 (custom)

Credits

Oleg Bulatov of Red Hat

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T22:48:09.023Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/kubernetes/kubernetes/issues/76797"
          },
          {
            "name": "108053",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/108053"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20190509-0002/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Kubernetes",
          "vendor": "Kubernetes",
          "versions": [
            {
              "lessThanOrEqual": "v1.12.4",
              "status": "affected",
              "version": "v1.12",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "v1.13.0",
              "status": "affected",
              "version": "v1.13",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Oleg Bulatov of Red Hat"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
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        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.1,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
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            "privilegesRequired": "LOW",
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            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          }
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      ],
      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-271",
              "description": "CWE-271 Privilege Dropping / Lowering Errors",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-05-09T10:06:03.000Z",
        "orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
        "shortName": "kubernetes"
      },
      "references": [
        {
          "tags": [
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          "url": "https://github.com/kubernetes/kubernetes/issues/76797"
        },
        {
          "name": "108053",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/108053"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20190509-0002/"
        }
      ],
      "source": {
        "discovery": "USER"
      },
      "workarounds": [
        {
          "lang": "en",
          "value": "Clear the config.WrapTransport and config.Transport fields in addition to calling rest.AnonymousClientConfig()"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.6"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "jordan@liggitt.net",
          "ID": "CVE-2019-11243",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
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                    {
                      "product_name": "Kubernetes",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_name": "v1.12",
                            "version_value": "v1.12.4"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_name": "v1.13",
                            "version_value": "v1.13.0"
                          }
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                      }
                    }
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                },
                "vendor_name": "Kubernetes"
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          }
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  "cveMetadata": {
    "assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.