Vulnerabilities in pkg:golang/github.com/tidwall/gjson

PACKAGE
Advisory Identifier: GHSA-wjm3-fq3r-5x46
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Advisory Summary

CVE-2020-36066 is a HIGH (CVSS 7.5) denial of service vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Github.com/tidwall/gjson libraries in the Go ecosystem. The issue involves github.com/tidwall/gjson is vulnerable to denial of service. Remediation is available by upgrading affected packages to version 1.6.5.

5 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:golang/github.com/tidwall/gjson

5 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:golang/github.com/tidwall/gjson. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-wjm3-fq3r-5x46 CVE-2020-36066 HIGH github.com/tidwall/gjson is vulnerable to Denial of service
GHSA-ppj4-34rq-v8j9 CVE-2021-42836 HIGH github.com/tidwall/gjson Vulnerable to REDoS attack
GHSA-w942-gw6m-p62c CVE-2020-35380 HIGH Denial of service in GJSON
GHSA-c9gm-7rfj-8w5h CVE-2021-42248 HIGH Duplicate Advisory: ReDoS via crafted JSON input in GJSON
GHSA-p64j-r5f4-pwwx CVE-2020-36067 HIGH Improper Validation of Array Index in GJSON

CVE-2020-36066 at a Glance

CVE Identifier CVE-2020-36066
GHSA Identifier GHSA-wjm3-fq3r-5x46
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-400: Uncontrolled Resource Consumption
Affected Product Github.com/tidwall/gjson
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 7.5

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:N/S:U/C:N/I:N/A:H).

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

How to Fix CVE-2020-36066

To remediate this vulnerability, upgrade all affected Github.com/tidwall/gjson 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/tidwall/gjson fixed: 1.6.5 
Upgrade github.com/tidwall/gjson to 1.6.5
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/tidwall/gjson

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-36066, inspect your project dependencies for Github.com/tidwall/gjson:

inspect dependencies for github.com/tidwall/gjson

Analyze the terminal output to locate any version of Github.com/tidwall/gjson in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.6.5), 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-400: Uncontrolled Resource Consumption, where the product does not properly control the allocation and maintenance of a limited resource. In Github.com/tidwall/gjson, 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

GJSON <1.6.5 allows attackers to cause a denial of service (remote) via crafted JSON.

CVE-2020-36066 Affected Github.com/tidwall/gjson Versions

1 component(s)
Fixed Versions:
1.6.5
Product / Package Ecosystem Affected Versions Fixed Version
github.com/tidwall/gjson
golang/github.com/tidwall/gjson
Go
< 1.6.5
1.6.5

References

NVD — CVE-2020-36066 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36066
Github.com/tidwall/gjson Source Repository REPOSITORY
https://github.com/tidwall/gjson/issues/195
Github.com/tidwall/gjson Source Repository REPOSITORY
https://github.com/tidwall/gjson/issues/195#issuecomment-755303148
Security Fix Commit FIX COMMIT
https://github.com/tidwall/gjson/commit/9f58baa7a613f89dfdc764c39e47fd3a15606153
Security Fix Commit FIX COMMIT
https://github.com/tidwall/match/commit/c2f534168b739a7ec1821a33839fb2f029f26bbc
Github.com/tidwall/gjson Source Repository REPOSITORY
https://github.com/tidwall/gjson
pkg.go.dev/vuln/go-2022-0957 WEB
https://pkg.go.dev/vuln/GO-2022-0957

Frequently Asked Questions

What is CVE-2020-36066?
CVE-2020-36066 is a security vulnerability in Github.com/tidwall/gjson involving github.com/tidwall/gjson is vulnerable to Denial of service under CWE-400: Uncontrolled Resource Consumption.
Which Github.com/tidwall/gjson versions are affected?
Affected versions include releases prior to 1.6.5 across affected packages: github.com/tidwall/gjson.
What version fixes CVE-2020-36066?
Upgrading to 1.6.5 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/tidwall/gjson affected?
Yes, github.com/tidwall/gjson is affected in releases prior to 1.6.5. Upgrade your dependency to 1.6.5 or later.
What is the CVSS score of CVE-2020-36066?
CVE-2020-36066 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2020-36066?
CVE-2020-36066 is classified under CWE-400: Uncontrolled Resource Consumption (The product does not properly control the allocation and maintenance of a limited resource.).
How can I check Go dependencies for CVE-2020-36066?
Run the dependency tree command: 'inspect dependencies for github.com/tidwall/gjson'. 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-wjm3-fq3r-5x46",
  "modified" : "2024-05-20T21:31:34Z",
  "published" : "2021-05-18T21:07:54Z",
  "aliases" : [ "CVE-2020-36066" ],
  "summary" : "github.com/tidwall/gjson is vulnerable to Denial of service",
  "details" : "GJSON <1.6.5 allows attackers to cause a denial of service (remote) via crafted JSON.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/tidwall/gjson"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.6.5"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-36066"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/tidwall/gjson/issues/195"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/tidwall/gjson/issues/195#issuecomment-755303148"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/tidwall/gjson/commit/9f58baa7a613f89dfdc764c39e47fd3a15606153"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/tidwall/match/commit/c2f534168b739a7ec1821a33839fb2f029f26bbc"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/tidwall/gjson"
  }, {
    "type" : "WEB",
    "url" : "https://pkg.go.dev/vuln/GO-2022-0957"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-400" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-05-18T21:00:38Z",
    "nvd_published_at" : null
  }
}