CVE-2020-12458: Github.com/grafana/grafana Grafana Information Disclosure Vulnerability

HIGH
Advisory Identifier: GHSA-3jq7-8ph8-63xm
CVSS 5.5
CWE-312 CWE-732
Published
Advisory Summary

CVE-2020-12458 is a HIGH (CVSS 5.5) grafana information disclosure vulnerability (CWE-312: Cleartext Storage of Sensitive Information) affecting Github.com/grafana/grafana libraries in the Go ecosystem. The issue involves grafana information disclosure. Remediation is available by upgrading affected packages to version 7.2.1.

CVE-2020-12458 at a Glance

CVE Identifier CVE-2020-12458
GHSA Identifier GHSA-3jq7-8ph8-63xm
Severity HIGH
CVSS v3.1 Base Score 5.5
CWE Classification CWE-312: Cleartext Storage of Sensitive Information
Affected Product Github.com/grafana/grafana
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 5.5

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

Attack Vector Local (AV:L)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2020-12458

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: 7.2.1
Upgrade github.com/grafana/grafana to 7.2.1
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-2020-12458, 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 7.2.1), 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-312: Cleartext Storage of Sensitive Information, where the product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. 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

An information-disclosure flaw was found in Grafana. The database directory `/var/lib/grafana` and database file `/var/lib/grafana/grafana.db` are world readable. This can result in exposure of sensitive information (e.g., cleartext or encrypted datasource passwords).

CVE-2020-12458 Affected Github.com/grafana/grafana Versions

1 component(s)
Fixed Versions:
7.2.1
Product / Package Ecosystem Affected Versions Fixed Version
github.com/grafana/grafana
Go
< 7.2.1
7.2.1

References

Frequently Asked Questions

What is CVE-2020-12458?
CVE-2020-12458 is a security vulnerability in Github.com/grafana/grafana involving Grafana information disclosure under CWE-312: Cleartext Storage of Sensitive Information.
Which Github.com/grafana/grafana versions are affected?
Affected versions include releases prior to 7.2.1 across affected packages: github.com/grafana/grafana.
What version fixes CVE-2020-12458?
Upgrading to 7.2.1 (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 7.2.1. Upgrade your dependency to 7.2.1 or later.
What is the CVSS score of CVE-2020-12458?
CVE-2020-12458 has a CVSS v3.1 base score of 5.5 (HIGH) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2020-12458?
CVE-2020-12458 is classified under CWE-312: Cleartext Storage of Sensitive Information (The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere.).
How can I check Go dependencies for CVE-2020-12458?
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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-3jq7-8ph8-63xm",
  "modified" : "2024-11-18T16:26:25Z",
  "published" : "2022-05-24T17:16:53Z",
  "aliases" : [ "CVE-2020-12458" ],
  "summary" : "Grafana information disclosure",
  "details" : "An information-disclosure flaw was found in Grafana. The database directory `/var/lib/grafana` and database file `/var/lib/grafana/grafana.db` are world readable. This can result in exposure of sensitive information (e.g., cleartext or encrypted datasource passwords).",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/grafana/grafana"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "7.2.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-12458"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/grafana/grafana/issues/8283"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/grafana/grafana/commit/102448040d5132460e3b0013e03ebedec0677e00"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/security/cve/CVE-2020-12458"
  }, {
    "type" : "WEB",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1827765"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/grafana/grafana"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CTQCKJZZYXMCSHJFZZ3YXEO5NUBANGZS"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WEBCIEVSYIDDCA7FTRS2IFUOYLIQU34A"
  }, {
    "type" : "WEB",
    "url" : "https://security.netapp.com/advisory/ntap-20200518-0001"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-312", "CWE-732" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-02-01T21:46:49Z",
    "nvd_published_at" : "2020-04-29T16:15:00Z"
  }
}