CVE-2020-13430: Github.com/grafana/grafana Remote Code Execution Vulnerability

MODERATE
Advisory Identifier: GHSA-7m2x-qhrq-rp8h
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CVSS 6.1
CWE-79
Published
Advisory Summary

CVE-2020-13430 is a MODERATE (CVSS 6.1) remote code execution vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Github.com/grafana/grafana libraries in the Go ecosystem. The issue involves grafana xss via the opentsdb datasource. Remediation is available by upgrading affected packages to version 7.0.0.

CVE-2020-13430 at a Glance

CVE Identifier CVE-2020-13430
GHSA Identifier GHSA-7m2x-qhrq-rp8h
Severity MODERATE
CVSS v3.1 Base Score 6.1
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Github.com/grafana/grafana
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 6.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Changed (S:C)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2020-13430

To remediate this vulnerability, upgrade all affected Github.com/grafana/grafana dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/grafana/grafana fixed: 7.0.0 
Upgrade github.com/grafana/grafana to 7.0.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/grafana/grafana

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-13430, inspect your project dependencies for Github.com/grafana/grafana:

inspect dependencies for github.com/grafana/grafana

Analyze the terminal output to locate any version of Github.com/grafana/grafana in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 7.0.0), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Github.com/grafana/grafana, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Grafana before 7.0.0 allows tag value XSS via the OpenTSDB datasource.

CVE-2020-13430 Affected Github.com/grafana/grafana Versions

1 component(s)
Fixed Versions:
7.0.0
Product / Package Ecosystem Affected Versions Fixed Version
github.com/grafana/grafana
golang/github.com/grafana/grafana
Go
< 7.0.0
7.0.0

References

NVD — CVE-2020-13430 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13430
Github.com/grafana/grafana Source Repository REPOSITORY
https://github.com/grafana/grafana/pull/24539
GitHub Advisory / Wiki ADVISORY
https://github.com/advisories/GHSA-7m2x-qhrq-rp8h
Github.com/grafana/grafana Source Repository REPOSITORY
https://github.com/grafana/grafana
Github.com/grafana/grafana Release RELEASE
https://github.com/grafana/grafana/releases/tag/v7.0.0
Github.com/grafana/grafana Security Information SECURITY
https://security.netapp.com/advisory/ntap-20200528-0003

Frequently Asked Questions

What is CVE-2020-13430?
CVE-2020-13430 is a security vulnerability in Github.com/grafana/grafana involving Grafana XSS via the OpenTSDB datasource under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Github.com/grafana/grafana versions are affected?
Affected versions include releases prior to 7.0.0 across affected packages: github.com/grafana/grafana.
What version fixes CVE-2020-13430?
Upgrading to 7.0.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/grafana/grafana affected?
Yes, github.com/grafana/grafana is affected in releases prior to 7.0.0. Upgrade your dependency to 7.0.0 or later.
What is the CVSS score of CVE-2020-13430?
CVE-2020-13430 has a CVSS v3.1 base score of 6.1 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2020-13430?
CVE-2020-13430 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check Go dependencies for CVE-2020-13430?
Run the dependency tree command: 'inspect dependencies for github.com/grafana/grafana'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-7m2x-qhrq-rp8h",
  "modified" : "2024-07-08T19:59:40Z",
  "published" : "2022-05-24T17:18:38Z",
  "aliases" : [ "CVE-2020-13430" ],
  "summary" : "Grafana XSS via the OpenTSDB datasource",
  "details" : "Grafana before 7.0.0 allows tag value XSS via the OpenTSDB datasource.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/grafana/grafana"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "7.0.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-13430"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/grafana/grafana/pull/24539"
  }, {
    "type" : "ADVISORY",
    "url" : "https://github.com/advisories/GHSA-7m2x-qhrq-rp8h"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/grafana/grafana"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/grafana/grafana/releases/tag/v7.0.0"
  }, {
    "type" : "WEB",
    "url" : "https://security.netapp.com/advisory/ntap-20200528-0003"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-02-01T21:46:57Z",
    "nvd_published_at" : "2020-05-24T18:15:00Z"
  }
}