Vulnerability-Lookup

CNVD-2021-31175

Vulnerability from cnvd - Published: 2021-04-26

Title

CloudBees Jenkins数据验证漏洞

Description

CloudBees Jenkins（Hudson Labs）是美国CloudBees公司的一套基于Java开发的持续集成工具。该产品主要用于监控持续的软件版本发布/测试项目和一些定时执行的任务。LTS是CloudBeesJenkins的一个长期支持版本。 Jenkins 2.286及之前版本和LTS 2.277.1及之前版本存在数据验证漏洞。该漏洞源于程序在加载了提交到节点的config.xml REST API端点的数据之后未对所创建的对象的类型进行正确验证。具有“Computer/Configure”权限的攻击者可利用该漏洞使用不同的类型替代该节点。

Severity

中

Patch Name

CloudBees Jenkins数据验证漏洞的补丁

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://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-21639

Impacted products

Name
['CloudBees Jenkins <=2.286', 'CloudBees Jenkins LTS <=2.277.1']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21639",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21639"
    }
  },
  "description": "CloudBees Jenkins\uff08Hudson Labs\uff09\u662f\u7f8e\u56fdCloudBees\u516c\u53f8\u7684\u4e00\u5957\u57fa\u4e8eJava\u5f00\u53d1\u7684\u6301\u7eed\u96c6\u6210\u5de5\u5177\u3002\u8be5\u4ea7\u54c1\u4e3b\u8981\u7528\u4e8e\u76d1\u63a7\u6301\u7eed\u7684\u8f6f\u4ef6\u7248\u672c\u53d1\u5e03/\u6d4b\u8bd5\u9879\u76ee\u548c\u4e00\u4e9b\u5b9a\u65f6\u6267\u884c\u7684\u4efb\u52a1\u3002LTS\u662fCloudBeesJenkins\u7684\u4e00\u4e2a\u957f\u671f\u652f\u6301\u7248\u672c\u3002\n\nJenkins 2.286\u53ca\u4e4b\u524d\u7248\u672c\u548cLTS 2.277.1\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u6570\u636e\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u52a0\u8f7d\u4e86\u63d0\u4ea4\u5230\u8282\u70b9\u7684config.xml REST API\u7aef\u70b9\u7684\u6570\u636e\u4e4b\u540e\u672a\u5bf9\u6240\u521b\u5efa\u7684\u5bf9\u8c61\u7684\u7c7b\u578b\u8fdb\u884c\u6b63\u786e\u9a8c\u8bc1\u3002\u5177\u6709\u201cComputer/Configure\u201d\u6743\u9650\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528\u4e0d\u540c\u7684\u7c7b\u578b\u66ff\u4ee3\u8be5\u8282\u70b9\u3002",
  "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://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-31175",
  "openTime": "2021-04-26",
  "patchDescription": "CloudBees Jenkins\uff08Hudson Labs\uff09\u662f\u7f8e\u56fdCloudBees\u516c\u53f8\u7684\u4e00\u5957\u57fa\u4e8eJava\u5f00\u53d1\u7684\u6301\u7eed\u96c6\u6210\u5de5\u5177\u3002\u8be5\u4ea7\u54c1\u4e3b\u8981\u7528\u4e8e\u76d1\u63a7\u6301\u7eed\u7684\u8f6f\u4ef6\u7248\u672c\u53d1\u5e03/\u6d4b\u8bd5\u9879\u76ee\u548c\u4e00\u4e9b\u5b9a\u65f6\u6267\u884c\u7684\u4efb\u52a1\u3002LTS\u662fCloudBeesJenkins\u7684\u4e00\u4e2a\u957f\u671f\u652f\u6301\u7248\u672c\u3002\r\n\r\nJenkins 2.286\u53ca\u4e4b\u524d\u7248\u672c\u548cLTS 2.277.1\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u6570\u636e\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u52a0\u8f7d\u4e86\u63d0\u4ea4\u5230\u8282\u70b9\u7684config.xml REST API\u7aef\u70b9\u7684\u6570\u636e\u4e4b\u540e\u672a\u5bf9\u6240\u521b\u5efa\u7684\u5bf9\u8c61\u7684\u7c7b\u578b\u8fdb\u884c\u6b63\u786e\u9a8c\u8bc1\u3002\u5177\u6709\u201cComputer/Configure\u201d\u6743\u9650\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528\u4e0d\u540c\u7684\u7c7b\u578b\u66ff\u4ee3\u8be5\u8282\u70b9\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": "CloudBees Jenkins\u6570\u636e\u9a8c\u8bc1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "CloudBees Jenkins \u003c=2.286",
      "CloudBees Jenkins LTS \u003c=2.277.1"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-21639",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-08",
  "title": "CloudBees Jenkins\u6570\u636e\u9a8c\u8bc1\u6f0f\u6d1e"
}

CVE-2021-21639 (GCVE-0-2021-21639)

Vulnerability from cvelistv5 – Published: 2021-04-07 13:50 – Updated: 2024-08-03 18:16

Summary

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.

Severity

No CVSS data available.

Assigner

jenkins mitre root

References

2 references

URL	Tags
https://www.jenkins.io/security/advisory/2021-04-…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2021/04/07/2	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
Jenkins project	Jenkins	Affected: unspecified , ≤ 2.286 (custom) Affected: unspecified , ≤ LTS 2.277.1 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:16:23.927Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721"
          },
          {
            "name": "[oss-security] 20210407 Multiple vulnerabilities in Jenkins and Jenkins plugins",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/04/07/2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Jenkins",
          "vendor": "Jenkins project",
          "versions": [
            {
              "lessThanOrEqual": "2.286",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "LTS 2.277.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-24T15:51:02.485Z",
        "orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
        "shortName": "jenkins"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721"
        },
        {
          "name": "[oss-security] 20210407 Multiple vulnerabilities in Jenkins and Jenkins plugins",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/04/07/2"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "jenkinsci-cert@googlegroups.com",
          "ID": "CVE-2021-21639",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Jenkins",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "2.286"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_value": "LTS 2.277.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Jenkins project"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-20: Improper Input Validation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721",
              "refsource": "CONFIRM",
              "url": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721"
            },
            {
              "name": "[oss-security] 20210407 Multiple vulnerabilities in Jenkins and Jenkins plugins",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/04/07/2"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
    "assignerShortName": "jenkins",
    "cveId": "CVE-2021-21639",
    "datePublished": "2021-04-07T13:50:13.000Z",
    "dateReserved": "2021-01-04T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:16:23.927Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.