CVE-2020-10675: Github.com/buger/jsonparser Infinite Loop Vulnerability

HIGH
Advisory Identifier: GHSA-rmh2-65xw-9m6q
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CVSS 7.5
CWE-835
Published
Advisory Summary

CVE-2020-10675 is a HIGH (CVSS 7.5) infinite loop vulnerability (CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')) affecting Github.com/buger/jsonparser libraries in the Go ecosystem. The issue involves infinite loop in jsonparser. Remediation is available by upgrading affected packages to version 1.0.0.

CVE-2020-10675 at a Glance

CVE Identifier CVE-2020-10675
GHSA Identifier GHSA-rmh2-65xw-9m6q
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
Affected Product Github.com/buger/jsonparser
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-2020-10675

To remediate this vulnerability, upgrade all affected Github.com/buger/jsonparser 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/buger/jsonparser fixed: 1.0.0 
Upgrade github.com/buger/jsonparser to 1.0.0
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/buger/jsonparser

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-10675, inspect your project dependencies for Github.com/buger/jsonparser:

inspect dependencies for github.com/buger/jsonparser

Analyze the terminal output to locate any version of Github.com/buger/jsonparser in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.0.0), 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-835: Loop with Unreachable Exit Condition ('Infinite Loop'), where the product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. In Github.com/buger/jsonparser, 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

The Library API in buger jsonparser through 2019-12-04 allows attackers to cause a denial of service (infinite loop) via a Delete call.

CVE-2020-10675 Affected Github.com/buger/jsonparser Versions

1 component(s)
Fixed Versions:
1.0.0
Product / Package Ecosystem Affected Versions Fixed Version
github.com/buger/jsonparser
golang/github.com/buger/jsonparser
Go
< 1.0.0
1.0.0

References

NVD — CVE-2020-10675 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10675
Github.com/buger/jsonparser Source Repository REPOSITORY
https://github.com/buger/jsonparser/issues/188
Github.com/buger/jsonparser Source Repository REPOSITORY
https://github.com/buger/jsonparser/pull/192
Security Fix Commit FIX COMMIT
https://github.com/buger/jsonparser/commit/91ac96899e492584984ded0c8f9a08f10b473717
Github.com/buger/jsonparser Source Repository REPOSITORY
https://github.com/buger/jsonparser
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4C7PV6KEUUM76V4B2J5IFN2U6LEOWB67
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6KUHKDQSEYJNROA66OMN6AAQMGAAN6WI
pkg.go.dev/vuln/go-2021-0089 WEB
https://pkg.go.dev/vuln/GO-2021-0089

Frequently Asked Questions

What is CVE-2020-10675?
CVE-2020-10675 is a security vulnerability in Github.com/buger/jsonparser involving Infinite Loop in jsonparser under CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop').
Which Github.com/buger/jsonparser versions are affected?
Affected versions include releases prior to 1.0.0 across affected packages: github.com/buger/jsonparser.
What version fixes CVE-2020-10675?
Upgrading to 1.0.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/buger/jsonparser affected?
Yes, github.com/buger/jsonparser is affected in releases prior to 1.0.0. Upgrade your dependency to 1.0.0 or later.
What is the CVSS score of CVE-2020-10675?
CVE-2020-10675 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-2020-10675?
CVE-2020-10675 is classified under CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') (The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.).
How can I check Go dependencies for CVE-2020-10675?
Run the dependency tree command: 'inspect dependencies for github.com/buger/jsonparser'. 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-rmh2-65xw-9m6q",
  "modified" : "2024-05-20T19:47:11Z",
  "published" : "2021-05-18T18:26:25Z",
  "aliases" : [ "CVE-2020-10675" ],
  "summary" : "Infinite Loop in jsonparser",
  "details" : "The Library API in buger jsonparser through 2019-12-04 allows attackers to cause a denial of service (infinite loop) via a Delete call.",
  "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/buger/jsonparser"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.0.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-10675"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/buger/jsonparser/issues/188"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/buger/jsonparser/pull/192"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/buger/jsonparser/commit/91ac96899e492584984ded0c8f9a08f10b473717"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/buger/jsonparser"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4C7PV6KEUUM76V4B2J5IFN2U6LEOWB67"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6KUHKDQSEYJNROA66OMN6AAQMGAAN6WI"
  }, {
    "type" : "WEB",
    "url" : "https://pkg.go.dev/vuln/GO-2021-0089"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-835" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-05-04T21:51:17Z",
    "nvd_published_at" : "2020-03-19T14:15:00Z"
  }
}