Vulnerability-Lookup

CNVD-2021-88724

Vulnerability from cnvd - Published: 2021-11-18

Title

Jenkins授权问题漏洞（CNVD-2021-88724）

Description

Jenkins是Jenkins开源的一个应用软件。一个开源自动化服务器Jenkins提供了数百个插件来支持构建，部署和自动化任何项目。 Jenkins中存在授权问题漏洞，该漏洞源于产品允许任何代理读取和写入存储在Jenkins中任何构建目录的内容。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

Jenkins授权问题漏洞（CNVD-2021-88724）的补丁

Patch Description

Jenkins是Jenkins开源的一个应用软件。一个开源自动化服务器Jenkins提供了数百个插件来支持构建，部署和自动化任何项目。 Jenkins中存在授权问题漏洞，该漏洞源于产品允许任何代理读取和写入存储在Jenkins中任何构建目录的内容。目前没有详细的漏洞细节提供。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

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/2021-11-04/#SECURITY-2428

Reference

https://access.redhat.com/security/cve/cve-2021-21697

Impacted products

Name
['Jenkins Jenkins <=2.318', 'Jenkins Jenkins LTS <=2.303.2']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21697"
    }
  },
  "description": "Jenkins\u662fJenkins\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u4e00\u4e2a\u5f00\u6e90\u81ea\u52a8\u5316\u670d\u52a1\u5668Jenkins\u63d0\u4f9b\u4e86\u6570\u767e\u4e2a\u63d2\u4ef6\u6765\u652f\u6301\u6784\u5efa\uff0c\u90e8\u7f72\u548c\u81ea\u52a8\u5316\u4efb\u4f55\u9879\u76ee\u3002\n\nJenkins\u4e2d\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u5141\u8bb8\u4efb\u4f55\u4ee3\u7406\u8bfb\u53d6\u548c\u5199\u5165\u5b58\u50a8\u5728Jenkins\u4e2d\u4efb\u4f55\u6784\u5efa\u76ee\u5f55\u7684\u5185\u5bb9\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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/2021-11-04/#SECURITY-2428",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-88724",
  "openTime": "2021-11-18",
  "patchDescription": "Jenkins\u662fJenkins\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u4e00\u4e2a\u5f00\u6e90\u81ea\u52a8\u5316\u670d\u52a1\u5668Jenkins\u63d0\u4f9b\u4e86\u6570\u767e\u4e2a\u63d2\u4ef6\u6765\u652f\u6301\u6784\u5efa\uff0c\u90e8\u7f72\u548c\u81ea\u52a8\u5316\u4efb\u4f55\u9879\u76ee\u3002\r\n\r\nJenkins\u4e2d\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u5141\u8bb8\u4efb\u4f55\u4ee3\u7406\u8bfb\u53d6\u548c\u5199\u5165\u5b58\u50a8\u5728Jenkins\u4e2d\u4efb\u4f55\u6784\u5efa\u76ee\u5f55\u7684\u5185\u5bb9\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "Jenkins\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-88724\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Jenkins Jenkins \u003c=2.318",
      "Jenkins Jenkins LTS \u003c=2.303.2"
    ]
  },
  "referenceLink": "https://access.redhat.com/security/cve/cve-2021-21697",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-08",
  "title": "Jenkins\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-88724\uff09"
}

CVE-2021-21697 (GCVE-0-2021-21697)

Vulnerability from cvelistv5 – Published: 2021-11-04 16:30 – Updated: 2024-08-03 18:23

Summary

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allows any agent to read and write the contents of any build directory stored in Jenkins with very few restrictions.

Severity

No CVSS data available.

Assigner

jenkins mitre root

References

2 references

URL	Tags
https://www.jenkins.io/security/advisory/2021-11-…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2021/11/04/3	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
Jenkins project	Jenkins	Affected: unspecified , ≤ 2.318 (custom) Affected: unspecified , ≤ LTS 2.303.2 (custom)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:23:28.765Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2428"
          },
          {
            "name": "[oss-security] 20211104 Multiple vulnerabilities in Jenkins and Jenkins plugins",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/11/04/3"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Jenkins",
          "vendor": "Jenkins project",
          "versions": [
            {
              "lessThanOrEqual": "2.318",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "LTS 2.303.2",
              "status": "affected",
              "version": "unspecified",
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            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allows any agent to read and write the contents of any build directory stored in Jenkins with very few restrictions."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-24T15:52:10.171Z",
        "orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
        "shortName": "jenkins"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2428"
        },
        {
          "name": "[oss-security] 20211104 Multiple vulnerabilities in Jenkins and Jenkins plugins",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/11/04/3"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "jenkinsci-cert@googlegroups.com",
          "ID": "CVE-2021-21697",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Jenkins",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "2.318"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_value": "LTS 2.303.2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Jenkins project"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allows any agent to read and write the contents of any build directory stored in Jenkins with very few restrictions."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-184: Incomplete List of Disallowed Inputs"
                }
              ]
            }
          ]
        },
        "references": {
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              "name": "https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2428",
              "refsource": "CONFIRM",
              "url": "https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2428"
            },
            {
              "name": "[oss-security] 20211104 Multiple vulnerabilities in Jenkins and Jenkins plugins",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/11/04/3"
            }
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      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
    "assignerShortName": "jenkins",
    "cveId": "CVE-2021-21697",
    "datePublished": "2021-11-04T16:30:43.000Z",
    "dateReserved": "2021-01-04T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:23:28.765Z",
    "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.