CVE-2022-23837: Sidekiq Denial of Service Vulnerability

HIGH
Advisory Identifier: GHSA-jrfj-98qg-qjgv
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CVSS 7.5
CWE-400 CWE-770
Published
Advisory Summary

CVE-2022-23837 is a HIGH (CVSS 7.5) denial of service vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Sidekiq libraries in the RubyGems ecosystem. The issue involves denial of service in sidekiq. Remediation is available by upgrading affected packages to version 6.4.0, 5.2.10.

CVE-2022-23837 at a Glance

CVE Identifier CVE-2022-23837
GHSA Identifier GHSA-jrfj-98qg-qjgv
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-400: Uncontrolled Resource Consumption
Affected Product Sidekiq
Package Ecosystem RubyGems
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-2022-23837

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

sidekiq fixed: 6.4.0 
Upgrade sidekiq to 6.4.0
sidekiq fixed: 5.2.10 
Upgrade sidekiq to 5.2.10
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 sidekiq

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-23837, inspect your project dependencies for Sidekiq:

inspect dependencies for sidekiq

Analyze the terminal output to locate any version of Sidekiq in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 6.4.0), 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-400: Uncontrolled Resource Consumption, where the product does not properly control the allocation and maintenance of a limited resource. In Sidekiq, 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

In `api.rb` in Sidekiq before 6.4.0 and 5.2.10, there is no limit on the number of days when requesting stats for the graph. This overloads the system, affecting the Web UI, and makes it unavailable to users.

CVE-2022-23837 Affected Sidekiq Versions

2 component(s)
Fixed Versions:
6.4.05.2.10
Product / Package Ecosystem Affected Versions Fixed Version
sidekiq
gem/sidekiq
RubyGems
≥ 6.0.0
< 6.4.0
6.4.0
sidekiq
gem/sidekiq
RubyGems
< 5.2.10
5.2.10

References

NVD — CVE-2022-23837 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-23837
Sidekiq Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/pull/495
Security Fix Commit FIX COMMIT
https://github.com/mperham/sidekiq/commit/7785ac1399f1b28992adb56055f6acd88fd1d956
Sidekiq Source Repository REPOSITORY
https://github.com/TUTUMSPACE/exploits/blob/main/sidekiq.md
Sidekiq Source Repository REPOSITORY
https://github.com/mperham/sidekiq
lists.debian.org/debian-lts-announce... WEB
https://lists.debian.org/debian-lts-announce/2022/03/msg00015.html

Frequently Asked Questions

What is CVE-2022-23837?
CVE-2022-23837 is a security vulnerability in Sidekiq involving Denial of service in sidekiq under CWE-400: Uncontrolled Resource Consumption.
Which Sidekiq versions are affected?
Affected versions include releases prior to 6.4.0, 5.2.10 across affected packages: sidekiq.
What version fixes CVE-2022-23837?
Upgrading to 6.4.0, 5.2.10 (or the latest patched release for your respective branch) resolves the vulnerability.
Is sidekiq affected?
Yes, sidekiq is affected in releases prior to 6.4.0, 5.2.10. Upgrade your dependency to 6.4.0, 5.2.10 or later.
What is the CVSS score of CVE-2022-23837?
CVE-2022-23837 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-2022-23837?
CVE-2022-23837 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 RubyGems dependencies for CVE-2022-23837?
Run the dependency tree command: 'inspect dependencies for sidekiq'. 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-jrfj-98qg-qjgv",
  "modified" : "2023-01-24T15:46:01Z",
  "published" : "2022-01-27T14:42:37Z",
  "aliases" : [ "CVE-2022-23837" ],
  "summary" : "Denial of service in sidekiq",
  "details" : "In `api.rb` in Sidekiq before 6.4.0 and 5.2.10, there is no limit on the number of days when requesting stats for the graph. This overloads the system, affecting the Web UI, and makes it unavailable to users.",
  "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" : "RubyGems",
      "name" : "sidekiq"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "6.0.0"
      }, {
        "fixed" : "6.4.0"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "sidekiq"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "5.2.10"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-23837"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/pull/495"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/mperham/sidekiq/commit/7785ac1399f1b28992adb56055f6acd88fd1d956"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/TUTUMSPACE/exploits/blob/main/sidekiq.md"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/mperham/sidekiq"
  }, {
    "type" : "WEB",
    "url" : "https://lists.debian.org/debian-lts-announce/2022/03/msg00015.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-400", "CWE-770" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-01-24T22:50:23Z",
    "nvd_published_at" : "2022-01-21T21:15:00Z"
  }
}