Vulnerability-Lookup

CNVD-2021-13659

Vulnerability from cnvd - Published: 2021-03-01

Title

CloudBees Jenkins Support Core Plugin信息泄露漏洞

Description

Jenkins Support Core是Jenkins开源的一个应用插件。提供了在Jenkins中生成支持信息“捆绑”的基本基础结构。 Jenkins Support Core Plugin 2.72及之前版本存在信息泄露漏洞。该漏洞源于提供了序列化用户身份验证作为身份验证信息的一部分，该信息可以包括在某些配置中创建支持包的用户的会话ID。攻击者可利用该漏洞使用这些信息模拟创建支持捆绑包的用户。

Severity

中

Patch Name

CloudBees Jenkins Support Core Plugin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://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2150

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-21621

Impacted products

Name
CloudBees Jenkins Support Core Plugin <=2.72

Show details on source website

JSON

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{
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    "cve": {
      "cveNumber": "CVE-2021-21621",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21621"
    }
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  "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/2021-02-24/#SECURITY-2150",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-13659",
  "openTime": "2021-03-01",
  "patchDescription": "Jenkins Support Core\u662fJenkins\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u63d2\u4ef6\u3002\u63d0\u4f9b\u4e86\u5728Jenkins\u4e2d\u751f\u6210\u652f\u6301\u4fe1\u606f\u201c\u6346\u7ed1\u201d\u7684\u57fa\u672c\u57fa\u7840\u7ed3\u6784\u3002\r\n\r\nJenkins Support Core Plugin 2.72\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u63d0\u4f9b\u4e86\u5e8f\u5217\u5316\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u4f5c\u4e3a\u8eab\u4efd\u9a8c\u8bc1\u4fe1\u606f\u7684\u4e00\u90e8\u5206\uff0c\u8be5\u4fe1\u606f\u53ef\u4ee5\u5305\u62ec\u5728\u67d0\u4e9b\u914d\u7f6e\u4e2d\u521b\u5efa\u652f\u6301\u5305\u7684\u7528\u6237\u7684\u4f1a\u8bddID\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528\u8fd9\u4e9b\u4fe1\u606f\u6a21\u62df\u521b\u5efa\u652f\u6301\u6346\u7ed1\u5305\u7684\u7528\u6237\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 Support Core Plugin\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "CloudBees Jenkins Support Core Plugin \u003c=2.72"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-21621",
  "serverity": "\u4e2d",
  "submitTime": "2021-02-26",
  "title": "CloudBees Jenkins Support Core Plugin\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2021-21621 (GCVE-0-2021-21621)

Vulnerability from cvelistv5 – Published: 2021-02-24 15:05 – Updated: 2024-08-03 18:16

Summary

Jenkins Support Core Plugin 2.72 and earlier provides the serialized user authentication as part of the "About user (basic authentication details only)" information, which can include the session ID of the user creating the support bundle in some configurations.

Severity

No CVSS data available.

Assigner

jenkins mitre root

References

1 reference

URL	Tags
https://www.jenkins.io/security/advisory/2021-02-…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Jenkins project	Jenkins Support Core Plugin	Affected: unspecified , ≤ 2.72 (custom) Unaffected: 2.70.1 Unaffected: 2.68.1

Show details on NVD website

JSON

To clipboard

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            "url": "https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2150"
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        ],
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    ],
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      "x_legacyV4Record": {
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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.

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.