cnvd - cnvd-2020-64317

cnvd-2020-64317

Vulnerability from cnvd

Title: Kubernetes日志信息泄露漏洞

Description:

Kubernetes是美国Linux基金会发布的一套开源的Docker容器集群管理系统。该系统为容器化的应用提供资源调度、部署运行、服务发现和扩容缩容等功能。

Kubernetes存在日志信息泄露漏洞，攻击者可利用该漏洞绕过对数据的访问限制，以获取敏感信息。

Severity: 中

Patch Name: Kubernetes日志信息泄露漏洞的补丁

Patch Description:

Kubernetes是美国Linux基金会发布的一套开源的Docker容器集群管理系统。该系统为容器化的应用提供资源调度、部署运行、服务发现和扩容缩容等功能。

Kubernetes存在日志信息泄露漏洞，攻击者可利用该漏洞绕过对数据的访问限制，以获取敏感信息。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/kubernetes/kubernetes/pull/95236

Reference: https://vigilance.fr/vulnerability/Kubernetes-information-disclosure-via-Verbose-Logging-Secret-Leaks-33612

Impacted products

Name
Kubernetes Kubernetes

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8563",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-8563"
    }
  },
  "description": "Kubernetes\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u4e00\u5957\u5f00\u6e90\u7684Docker\u5bb9\u5668\u96c6\u7fa4\u7ba1\u7406\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u4e3a\u5bb9\u5668\u5316\u7684\u5e94\u7528\u63d0\u4f9b\u8d44\u6e90\u8c03\u5ea6\u3001\u90e8\u7f72\u8fd0\u884c\u3001\u670d\u52a1\u53d1\u73b0\u548c\u6269\u5bb9\u7f29\u5bb9\u7b49\u529f\u80fd\u3002\n\nKubernetes\u5b58\u5728\u65e5\u5fd7\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5bf9\u6570\u636e\u7684\u8bbf\u95ee\u9650\u5236\uff0c\u4ee5\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/kubernetes/kubernetes/pull/95236",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-64317",
  "openTime": "2020-11-19",
  "patchDescription": "Kubernetes\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u4e00\u5957\u5f00\u6e90\u7684Docker\u5bb9\u5668\u96c6\u7fa4\u7ba1\u7406\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u4e3a\u5bb9\u5668\u5316\u7684\u5e94\u7528\u63d0\u4f9b\u8d44\u6e90\u8c03\u5ea6\u3001\u90e8\u7f72\u8fd0\u884c\u3001\u670d\u52a1\u53d1\u73b0\u548c\u6269\u5bb9\u7f29\u5bb9\u7b49\u529f\u80fd\u3002\r\n\r\nKubernetes\u5b58\u5728\u65e5\u5fd7\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5bf9\u6570\u636e\u7684\u8bbf\u95ee\u9650\u5236\uff0c\u4ee5\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Kubernetes\u65e5\u5fd7\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Kubernetes Kubernetes"
  },
  "referenceLink": "https://vigilance.fr/vulnerability/Kubernetes-information-disclosure-via-Verbose-Logging-Secret-Leaks-33612",
  "serverity": "\u4e2d",
  "submitTime": "2020-10-19",
  "title": "Kubernetes\u65e5\u5fd7\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2020-8563 (GCVE-0-2020-8563)

Vulnerability from cvelistv5

Published

2020-12-07 22:00

Modified

2024-09-16 17:18

Severity ?

4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-532 - Information Exposure Through Log Files

Summary

In Kubernetes clusters using VSphere as a cloud provider, with a logging level set to 4 or above, VSphere cloud credentials will be leaked in the cloud controller manager's log. This affects < v1.19.3.

References

▼	URL	Tags
	https://github.com/kubernetes/kubernetes/issues/95621	x_refsource_CONFIRM
	https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ	mailing-list, x_refsource_MLIST
	https://security.netapp.com/advisory/ntap-20210122-0006/	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	Kubernetes	Kubernetes	Version: < 1.19.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:03:46.114Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/kubernetes/kubernetes/issues/95621"
          },
          {
            "name": "Multiple secret leaks when verbose logging is enabled",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210122-0006/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Kubernetes",
          "vendor": "Kubernetes",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.19.3"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Kaizhe Huang (derek0405)"
        }
      ],
      "datePublic": "2020-10-15T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "In Kubernetes clusters using VSphere as a cloud provider, with a logging level set to 4 or above, VSphere cloud credentials will be leaked in the cloud controller manager\u0027s log. This affects \u003c v1.19.3."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-532",
              "description": "CWE-532 Information Exposure Through Log Files",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-22T12:06:19",
        "orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
        "shortName": "kubernetes"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/kubernetes/kubernetes/issues/95621"
        },
        {
          "name": "Multiple secret leaks when verbose logging is enabled",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20210122-0006/"
        }
      ],
      "source": {
        "defect": [
          "https://github.com/kubernetes/kubernetes/issues/95621"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Secret leaks in logs for vSphere Provider kube-controller-manager",
      "workarounds": [
        {
          "lang": "en",
          "value": "Do not enable verbose logging in production (log level \u003e= 4), limit access to logs."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@kubernetes.io",
          "DATE_PUBLIC": "2020-10-15T04:00:00.000Z",
          "ID": "CVE-2020-8563",
          "STATE": "PUBLIC",
          "TITLE": "Secret leaks in logs for vSphere Provider kube-controller-manager"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Kubernetes",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003c 1.19.3"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Kubernetes"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Kaizhe Huang (derek0405)"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "generator": {
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        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-532 Information Exposure Through Log Files"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/kubernetes/kubernetes/issues/95621",
              "refsource": "CONFIRM",
              "url": "https://github.com/kubernetes/kubernetes/issues/95621"
            },
            {
              "name": "Multiple secret leaks when verbose logging is enabled",
              "refsource": "MLIST",
              "url": "https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210122-0006/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20210122-0006/"
            }
          ]
        },
        "source": {
          "defect": [
            "https://github.com/kubernetes/kubernetes/issues/95621"
          ],
          "discovery": "EXTERNAL"
        },
        "work_around": [
          {
            "lang": "en",
            "value": "Do not enable verbose logging in production (log level \u003e= 4), limit access to logs."
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
    "assignerShortName": "kubernetes",
    "cveId": "CVE-2020-8563",
    "datePublished": "2020-12-07T22:00:25.689659Z",
    "dateReserved": "2020-02-03T00:00:00",
    "dateUpdated": "2024-09-16T17:18:26.773Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
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.

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