Vulnerability-Lookup

CNVD-2018-09999

Vulnerability from cnvd - Published: 2018-05-22

Title

CoreOS Tectonic信息泄露漏洞

Description

CoreOS Tectonic是一套自动化的企业Kubernetes平台。该平台可以自动执行操作任务，实现平台可移植性和多集群管理。 CoreOS Tectonic 1.7.9-tectonic.4之前的1.7.x版本和1.8.4-tectonic.3之前的1.8.x版本中存在信息泄露漏洞。攻击者可利用该漏洞直接连接到kubernetes API服务器，列出全部名称空间并获取有关内部集群状态的消息。

Severity

中

Patch Name

CoreOS Tectonic信息泄露漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://coreos.com/tectonic/releases/#1.8.4-tectonic.3

Reference

https://coreos.com/blog/tectonic-namespace-information-disclosure-vulnerability-patched

Impacted products

Name
['CoreOS Tectonic 1.7.，<1.7.9-tectonic.4', 'CoreOS Tectonic 1.8.，<1.8.4-tectonic.3']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-5256"
    }
  },
  "description": "CoreOS Tectonic\u662f\u4e00\u5957\u81ea\u52a8\u5316\u7684\u4f01\u4e1aKubernetes\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u53ef\u4ee5\u81ea\u52a8\u6267\u884c\u64cd\u4f5c\u4efb\u52a1\uff0c\u5b9e\u73b0\u5e73\u53f0\u53ef\u79fb\u690d\u6027\u548c\u591a\u96c6\u7fa4\u7ba1\u7406\u3002\r\n\r\nCoreOS Tectonic 1.7.9-tectonic.4\u4e4b\u524d\u76841.7.x\u7248\u672c\u548c1.8.4-tectonic.3\u4e4b\u524d\u76841.8.x\u7248\u672c\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u76f4\u63a5\u8fde\u63a5\u5230kubernetes API\u670d\u52a1\u5668\uff0c\u5217\u51fa\u5168\u90e8\u540d\u79f0\u7a7a\u95f4\u5e76\u83b7\u53d6\u6709\u5173\u5185\u90e8\u96c6\u7fa4\u72b6\u6001\u7684\u6d88\u606f\u3002",
  "discovererName": "unknown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://coreos.com/tectonic/releases/#1.8.4-tectonic.3",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-09999",
  "openTime": "2018-05-22",
  "patchDescription": "CoreOS Tectonic\u662f\u4e00\u5957\u81ea\u52a8\u5316\u7684\u4f01\u4e1aKubernetes\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u53ef\u4ee5\u81ea\u52a8\u6267\u884c\u64cd\u4f5c\u4efb\u52a1\uff0c\u5b9e\u73b0\u5e73\u53f0\u53ef\u79fb\u690d\u6027\u548c\u591a\u96c6\u7fa4\u7ba1\u7406\u3002\r\n\r\nCoreOS Tectonic 1.7.9-tectonic.4\u4e4b\u524d\u76841.7.x\u7248\u672c\u548c1.8.4-tectonic.3\u4e4b\u524d\u76841.8.x\u7248\u672c\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u76f4\u63a5\u8fde\u63a5\u5230kubernetes API\u670d\u52a1\u5668\uff0c\u5217\u51fa\u5168\u90e8\u540d\u79f0\u7a7a\u95f4\u5e76\u83b7\u53d6\u6709\u5173\u5185\u90e8\u96c6\u7fa4\u72b6\u6001\u7684\u6d88\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": "CoreOS Tectonic\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "CoreOS Tectonic 1.7.*\uff0c\u003c1.7.9-tectonic.4",
      "CoreOS Tectonic 1.8.*\uff0c\u003c1.8.4-tectonic.3"
    ]
  },
  "referenceLink": "https://coreos.com/blog/tectonic-namespace-information-disclosure-vulnerability-patched",
  "serverity": "\u4e2d",
  "submitTime": "2018-05-22",
  "title": "CoreOS Tectonic\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2018-5256 (GCVE-0-2018-5256)

Vulnerability from cvelistv5 – Published: 2018-05-18 15:00 – Updated: 2024-08-05 05:33

Summary

CoreOS Tectonic 1.7.x before 1.7.9-tectonic.4 and 1.8.x before 1.8.4-tectonic.3 mounts a direct proxy to the kubernetes cluster at /api/kubernetes/ which is accessible without authentication to Tectonic and allows an attacker to directly connect to the kubernetes API server. Unauthenticated users are able to list all Namespaces through the Console, resulting in an information disclosure. Tectonic's exposure of an unauthenticated API endpoint containing information regarding the internal state of the cluster can provide an attacker with information that may assist in other attacks against the cluster. For example, an attacker may not have the permissions required to list all namespaces in the cluster but can instead leverage this vulnerability to enumerate the namespaces and then begin to check each namespace for weak authorization policies that may allow further escalation of privileges.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://coreos.com/blog/tectonic-namespace-inform…	x_refsource_CONFIRM
https://coreos.com/tectonic/releases/#1.8.4-tectonic.3	x_refsource_CONFIRM

Date Public

2018-01-05 00:00

Show details on NVD website

JSON

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{
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T05:33:43.606Z",
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          },
          {
            "tags": [
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            ],
            "url": "https://coreos.com/tectonic/releases/#1.8.4-tectonic.3"
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        "title": "CVE Program Container"
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    ],
    "cna": {
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          "versions": [
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        }
      ],
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            }
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      "providerMetadata": {
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      },
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        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://coreos.com/tectonic/releases/#1.8.4-tectonic.3"
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              {
                "product": {
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                          {
                            "version_value": "n/a"
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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.

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Action not permitted

CNVD-2018-09999

CVE-2018-5256 (GCVE-0-2018-5256)

Tags

Sightings

Nomenclature

Related by attack behaviour