CVE-2023-1892: Sidekiq Cross-Site Scripting Vulnerability

HIGH
Advisory Identifier: GHSA-h3r8-h5qw-4r35
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CVSS 8.3
CWE-79
Published
Advisory Summary

CVE-2023-1892 is a HIGH (CVSS 8.3) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Sidekiq libraries in the RubyGems ecosystem. The issue involves sidekiq vulnerable to cross-site scripting. Remediation is available by upgrading affected packages to version 7.0.8.

CVE-2023-1892 at a Glance

CVE Identifier CVE-2023-1892
GHSA Identifier GHSA-h3r8-h5qw-4r35
Severity HIGH
CVSS v3.1 Base Score 8.3
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Sidekiq
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 8.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L).

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

How to Fix CVE-2023-1892

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: 7.0.8 
Upgrade sidekiq to 7.0.8
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-2023-1892, 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 7.0.8), 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 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

sidekiq from 7.0.4 to 7.0.7 is vulnerable to reflected cross-site scripting. A fix was released in version 7.0.8.

CVE-2023-1892 Affected Sidekiq Versions

1 component(s)
Fixed Versions:
7.0.8
Product / Package Ecosystem Affected Versions Fixed Version
sidekiq
gem/sidekiq
RubyGems
≥ 7.0.4
< 7.0.8
7.0.8

References

NVD — CVE-2023-1892 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-1892
Security Fix Commit FIX COMMIT
https://github.com/sidekiq/sidekiq/commit/458fdf74176a9881478c48dc5cf0269107b22214
Sidekiq Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sidekiq/CVE-2023-1892.yml
Sidekiq Source Repository REPOSITORY
https://github.com/sidekiq/sidekiq
Sidekiq Source Repository REPOSITORY
https://github.com/sidekiq/sidekiq/blob/main/Changes.md#708
huntr.dev/bounties/e35e5653-c... WEB
https://huntr.dev/bounties/e35e5653-c429-4fb8-94a3-cbc123ae4777

Frequently Asked Questions

What is CVE-2023-1892?
CVE-2023-1892 is a security vulnerability in Sidekiq involving sidekiq vulnerable to cross-site scripting under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Sidekiq versions are affected?
Affected versions include releases prior to 7.0.8 across affected packages: sidekiq.
What version fixes CVE-2023-1892?
Upgrading to 7.0.8 (or the latest patched release for your respective branch) resolves the vulnerability.
Is sidekiq affected?
Yes, sidekiq is affected in releases prior to 7.0.8. Upgrade your dependency to 7.0.8 or later.
What is the CVSS score of CVE-2023-1892?
CVE-2023-1892 has a CVSS v3.1 base score of 8.3 (HIGH) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L.
What CWE is associated with CVE-2023-1892?
CVE-2023-1892 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 RubyGems dependencies for CVE-2023-1892?
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-h3r8-h5qw-4r35",
  "modified" : "2024-05-01T13:15:09Z",
  "published" : "2023-04-21T06:30:19Z",
  "aliases" : [ "CVE-2023-1892" ],
  "summary" : "sidekiq vulnerable to cross-site scripting ",
  "details" : "sidekiq from 7.0.4 to 7.0.7 is vulnerable to reflected cross-site scripting. A fix was released in version 7.0.8.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "sidekiq"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "7.0.4"
      }, {
        "fixed" : "7.0.8"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-1892"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/sidekiq/sidekiq/commit/458fdf74176a9881478c48dc5cf0269107b22214"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sidekiq/CVE-2023-1892.yml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/sidekiq/sidekiq"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/sidekiq/sidekiq/blob/main/Changes.md#708"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/e35e5653-c429-4fb8-94a3-cbc123ae4777"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-04-24T20:20:49Z",
    "nvd_published_at" : "2023-04-21T05:15:07Z"
  }
}