CVE-2023-4395: Cockpit hq/cockpit Cross-Site Scripting Vulnerability

HIGH
Advisory Identifier: GHSA-5cv4-48h7-7782
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CVSS 8.1
CWE-79
Published
Advisory Summary

CVE-2023-4395 is a HIGH (CVSS 8.1) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Cockpit hq/cockpit libraries in the Packagist ecosystem. The issue involves cockpit cross-site scripting vulnerability. Remediation is available in the latest vendor maintenance releases.

CVE-2023-4395 at a Glance

CVE Identifier CVE-2023-4395
GHSA Identifier GHSA-5cv4-48h7-7782
Severity HIGH
CVSS v3.1 Base Score 8.1
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Cockpit hq/cockpit
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 8.1

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

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

How to Fix CVE-2023-4395

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

cockpit-hq/cockpit fixed: Latest secure release 
Upgrade cockpit-hq/cockpit to Latest secure release
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 cockpit-hq/cockpit

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-4395, inspect your project dependencies for Cockpit hq/cockpit:

inspect dependencies for cockpit-hq/cockpit

Analyze the terminal output to locate any version of Cockpit hq/cockpit in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), 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 Cockpit hq/cockpit, 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

Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit 2.6.3 and prior. A patch is available at commit 36d1d4d256cbbab028342ba10cc493e5c119172c and anticipated to be part of version 2.6.4.

CVE-2023-4395 Affected Cockpit hq/cockpit Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
cockpit-hq/cockpit
 Packagist
≤ 2.6.3

References

NVD — CVE-2023-4395 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4395
Security Fix Commit FIX COMMIT
https://github.com/cockpit-hq/cockpit/commit/36d1d4d256cbbab028342ba10cc493e5c119172c
Cockpit hq/cockpit Source Repository REPOSITORY
https://github.com/cockpit-hq/cockpit
huntr.dev/bounties/60e38563-7... WEB
https://huntr.dev/bounties/60e38563-7ac8-4a13-ac04-2980cc48b0da

Frequently Asked Questions

What is CVE-2023-4395?
CVE-2023-4395 is a security vulnerability in Cockpit hq/cockpit involving Cockpit Cross-site Scripting vulnerability under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Cockpit hq/cockpit versions are affected?
Affected versions include releases prior to current release patches across affected packages: cockpit-hq/cockpit.
What version fixes CVE-2023-4395?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is cockpit-hq/cockpit affected?
Yes, cockpit-hq/cockpit is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2023-4395?
CVE-2023-4395 has a CVSS v3.1 base score of 8.1 (HIGH) with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
What CWE is associated with CVE-2023-4395?
CVE-2023-4395 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 Packagist dependencies for CVE-2023-4395?
Run the dependency tree command: 'inspect dependencies for cockpit-hq/cockpit'. 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-5cv4-48h7-7782",
  "modified" : "2023-08-17T19:06:36Z",
  "published" : "2023-08-17T06:30:13Z",
  "aliases" : [ "CVE-2023-4395" ],
  "summary" : "Cockpit Cross-site Scripting vulnerability",
  "details" : "Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit 2.6.3 and prior. A patch is available at commit 36d1d4d256cbbab028342ba10cc493e5c119172c and anticipated to be part of version 2.6.4.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "cockpit-hq/cockpit"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "2.6.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-4395"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/cockpit-hq/cockpit/commit/36d1d4d256cbbab028342ba10cc493e5c119172c"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/cockpit-hq/cockpit"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/60e38563-7ac8-4a13-ac04-2980cc48b0da"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-08-17T19:06:36Z",
    "nvd_published_at" : "2023-08-17T04:15:10Z"
  }
}