ghsa-8cfg-vx93-jvxw
Vulnerability from github
Published
2023-02-06 23:27
Modified
2024-05-20 19:48
Severity ?
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
Kubernetes client-go vulnerable to Sensitive Information Leak via Log File
Details

In Kubernetes, if the logging level is set to at least 9, authorization and bearer tokens will be written to log files. This can occur both in API server logs and client tool output like kubectl. This affects <= v1.19.5, <= v1.18.13, <= v1.17.15, < v1.20.0-alpha2.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "k8s.io/client-go"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.19.0"
            },
            {
              "fixed": "0.19.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "k8s.io/client-go"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.20.0-alpha.0"
            },
            {
              "fixed": "0.20.0-alpha.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "k8s.io/client-go"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.18.0"
            },
            {
              "fixed": "0.18.14"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "k8s.io/client-go"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.17.16"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "k8s.io/kubernetes"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.20.0-alpha.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-8565"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-532"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-02-06T23:27:56Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "In Kubernetes, if the logging level is set to at least 9, authorization and bearer tokens will be written to log files. This can occur both in API server logs and client tool output like kubectl. This affects \u003c= v1.19.5, \u003c= v1.18.13, \u003c= v1.17.15, \u003c v1.20.0-alpha2.",
  "id": "GHSA-8cfg-vx93-jvxw",
  "modified": "2024-05-20T19:48:09Z",
  "published": "2023-02-06T23:27:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8565"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/issues/95623"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/pull/95316"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/client-go/commit/19875a3d5a2e0d4f51c976a9e0662de3c2c011e3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/client-go/commit/1b8383fc150c9b816b0072032cca75754c2734d0"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/client-go/commit/44e1a07f2d513e375c4b6ee6e890040b47befe86"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/client-go/commit/e8f871a2e5fadf90fc114565abc0963967f1a373"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/commit/e99df0e5a75eb6e86123b56d53e9b7ca0fd00419"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/kubernetes/client-go"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2021-0064"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Kubernetes client-go vulnerable to Sensitive Information Leak via Log File"
}


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