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CVE-2022-31098— Weave GitOps leaked cluster credentials into logs on connection errors

Quick assessment

Affected
weaveworks weave-gitops
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Weave GitOps是Weaveworks开源的一个简单的开源开发者平台。 Weave GitOps 存在日志信息泄露漏洞。经过身份验证的远程攻击者可以查看已注册 Kubernetes 集群的敏感集群配置。

CVSS 9.0 · Critical EPSS 1.20% · P65
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I. Basic Information for CVE-2022-31098

Vulnerability Information
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Vulnerability Title
Weave GitOps leaked cluster credentials into logs on connection errors
Source: CVE Program / CVE List V5
Vulnerability Description
Weave GitOps is a simple open source developer platform for people who want cloud native applications, without needing Kubernetes expertise. A vulnerability in the logging of Weave GitOps could allow an authenticated remote attacker to view sensitive cluster configurations, aka KubeConfg, of registered Kubernetes clusters, including the service account tokens in plain text from Weave GitOps's pod logs on the management cluster. An unauthorized remote attacker can also view these sensitive configurations from external log storage if enabled by the management cluster. This vulnerability is due to the client factory dumping cluster configurations and their service account tokens when the cluster manager tries to connect to an API server of a registered cluster, and a connection error occurs. An attacker could exploit this vulnerability by either accessing logs of a pod of Weave GitOps, or from external log storage and obtaining all cluster configurations of registered clusters. A successful exploit could allow the attacker to use those cluster configurations to manage the registered Kubernetes clusters. This vulnerability has been fixed by commit 567356f471353fb5c676c77f5abc2a04631d50ca. Users should upgrade to Weave GitOps core version v0.8.1-rc.6 or newer. There is no known workaround for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Weave GitOps 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Weave GitOps是Weaveworks开源的一个简单的开源开发者平台。 Weave GitOps 存在日志信息泄露漏洞。经过身份验证的远程攻击者可以查看已注册 Kubernetes 集群的敏感集群配置。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
weaveworks weave-gitops < 0.8.1-rc.6 -

II. Public POCs for CVE-2022-31098

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III. Intelligence Information for CVE-2022-31098

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Patches & Fixes for CVE-2022-31098 (1)

Vendor Advisories for CVE-2022-31098 (1)

IV. Related Vulnerabilities

Same product: weave-gitops
Same vendor: weaveworks
Same weakness: CWE-532

V. Comments for CVE-2022-31098

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