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CVE-2023-5123— Improper Path Sanitization in JSON Datasource Plugin

Quick assessment

Affected
Grafana grafana-json-datasource
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JSON datasource 插件仪表板提供的路径参数清理不充分。

CVSS 8.0 · High EPSS 0.77% · P54
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I. Basic Information for CVE-2023-5123

Vulnerability Information
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Vulnerability Title
Improper Path Sanitization in JSON Datasource Plugin
Source: CVE Program / CVE List V5
Vulnerability Description
The JSON datasource plugin ( https://grafana.com/grafana/plugins/marcusolsson-json-datasource/ ) is a Grafana Labs maintained plugin for Grafana that allows for retrieving and processing JSON data from a remote endpoint (including a specific sub-path) configured by an administrator. Due to inadequate sanitization of the dashboard-supplied path parameter, it was possible to include path traversal characters (../) in the path parameter and send requests to paths on the configured endpoint outside the configured sub-path. This means that if the datasource was configured by an administrator to point at some sub-path of a domain (e.g. https://example.com/api/some_safe_api/ ), it was possible for an editor to create a dashboard referencing the datasource which issues queries containing path traversal characters, which would in turn cause the datasource to instead query arbitrary subpaths on the configured domain (e.g. https://example.com/api/admin_api/) . In the rare case that this plugin is configured by an administrator to point back at the Grafana instance itself, this vulnerability becomes considerably more severe, as an administrator browsing a maliciously configured panel could be compelled to make requests to Grafana administrative API endpoints with their credentials, resulting in the potential for privilege escalation, hence the high score for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
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JSON datasource 插件仪表板提供的路径参数清理不充分。
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-json-datasource 0.2.0 ~ 1.3.21 -

II. Public POCs for CVE-2023-5123

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III. Intelligence Information for CVE-2023-5123

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Vendor Advisories for CVE-2023-5123 (1)

Other References for CVE-2023-5123 (1)

IV. Related Vulnerabilities

Same vendor: Grafana
Same weakness: CWE-22

V. Comments for CVE-2023-5123

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