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CVE-2022-21673— OAuth Identity Token exposure in Grafana

Quick assessment

Affected
grafana grafana
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.

Grafana是Grafana开源的一套提供可视化监控界面的开源监控工具。该工具主要用于监控和分析Graphite、InfluxDB和Prometheus等。 Grafana存在安全漏洞，该漏洞源于在受影响的版本中，当数据源启用了Forward OAuth Identity特性时，向该数据源发送带有API令牌(且没有其他用户凭据)的查询将转发最近登录用户的OAuth Identity。这允许API令牌持有者检索他们可能不打算访问的数据。

CVSS 4.3 · Medium EPSS 2.00% · P79
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I. Basic Information for CVE-2022-21673

Vulnerability Information
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Vulnerability Title
OAuth Identity Token exposure in Grafana
Source: CVE Program / CVE List V5
Vulnerability Description
Grafana is an open-source platform for monitoring and observability. In affected versions when a data source has the Forward OAuth Identity feature enabled, sending a query to that datasource with an API token (and no other user credentials) will forward the OAuth Identity of the most recently logged-in user. This can allow API token holders to retrieve data for which they may not have intended access. This attack relies on the Grafana instance having data sources that support the Forward OAuth Identity feature, the Grafana instance having a data source with the Forward OAuth Identity feature toggled on, the Grafana instance having OAuth enabled, and the Grafana instance having usable API keys. This issue has been patched in versions 7.5.13 and 8.3.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Grafana 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Grafana是Grafana开源的一套提供可视化监控界面的开源监控工具。该工具主要用于监控和分析Graphite、InfluxDB和Prometheus等。 Grafana存在安全漏洞，该漏洞源于在受影响的版本中，当数据源启用了Forward OAuth Identity特性时，向该数据源发送带有API令牌(且没有其他用户凭据)的查询将转发最近登录用户的OAuth Identity。这允许API令牌持有者检索他们可能不打算访问的数据。
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
grafana grafana >= 7.2.0, < 7.5.13 -

II. Public POCs for CVE-2022-21673

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III. Intelligence Information for CVE-2022-21673

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Vendor Advisories for CVE-2022-21673 (2)

Mailing List Discussions for CVE-2022-21673 (3)

Other References for CVE-2022-21673 (2)

IV. Related Vulnerabilities

Same product: grafana
Same vendor: grafana
Same weakness: CWE-200

V. Comments for CVE-2022-21673

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