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CVE-2023-37264— Tekton Pipelines 数据伪造问题漏洞

一分钟漏洞结论

影响对象
tektoncd pipeline
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Tekton Pipelines是Tekton开源的一个云原生管道。 Tekton Pipelines 0.35.0版本存在数据伪造问题漏洞，该漏洞源于访问权限不正确。

CVSS 3.7 · Low EPSS 0.38% · P32
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一、 漏洞 CVE-2023-37264 基础信息

漏洞信息
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Vulnerability Title
Pipelines do not validate child UIDs
来源: CVE Program / CVE List V5
Vulnerability Description
Tekton Pipelines project provides k8s-style resources for declaring CI/CD-style pipelines. Starting in version 0.35.0, pipelines do not validate child UIDs, which means that a user that has access to create TaskRuns can create their own Tasks that the Pipelines controller will accept as the child Task. While the software stores and validates the PipelineRun's (api version, kind, name, uid) in the child Run's OwnerReference, it only store (api version, kind, name) in the ChildStatusReference. This means that if a client had access to create TaskRuns on a cluster, they could create a child TaskRun for a pipeline with the same name + owner reference, and the Pipeline controller picks it up as if it was the original TaskRun. This is problematic since it can let users modify the config of Pipelines at runtime, which violates SLSA L2 Service Generated / Non-falsifiable requirements. This issue can be used to trick the Pipeline controller into associating unrelated Runs to the Pipeline, feeding its data through the rest of the Pipeline. This requires access to create TaskRuns, so impact may vary depending on one Tekton setup. If users already have unrestricted access to create any Task/PipelineRun, this does not grant any additional capabilities. As of time of publication, there are no known patches for this issue.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
来源: CVE Program / CVE List V5
Vulnerability Title
Tekton Pipelines 数据伪造问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Tekton Pipelines是Tekton开源的一个云原生管道。 Tekton Pipelines 0.35.0版本存在数据伪造问题漏洞，该漏洞源于访问权限不正确。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
tektoncd pipeline >= 0.35.0, <= 0.49.0 -

二、漏洞 CVE-2023-37264 的公开POC

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三、漏洞 CVE-2023-37264 的情报信息

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CVE-2023-37264 厂商安全公告 (1)

CVE-2023-37264 其他参考 (2)

IV. Related Vulnerabilities

Same product: pipeline
Same vendor: tektoncd
Same weakness: CWE-345