CVE-2022-23794: Joomla/filesystem Path Disclosure Within Joomla/filesystem Class Vulnerability

MODERATE
Advisory Identifier: GHSA-rc8q-45v8-x6xc
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CVSS 5.3
CWE-209
Published
Advisory Summary

CVE-2022-23794 is a MODERATE (CVSS 5.3) path disclosure within joomla/filesystem class vulnerability (CWE-209: Generation of Error Message Containing Sensitive Information) affecting Joomla/filesystem libraries in the Packagist ecosystem. The issue involves path disclosure within joomla/filesystem class. Remediation is available by upgrading affected packages to version 1.6.2, 2.0.1.

CVE-2022-23794 at a Glance

CVE Identifier CVE-2022-23794
GHSA Identifier GHSA-rc8q-45v8-x6xc
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-209: Generation of Error Message Containing Sensitive Information
Affected Product Joomla/filesystem
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.3

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:L/I:N/A:N).

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 Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2022-23794

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

joomla/filesystem fixed: 1.6.2 
Upgrade joomla/filesystem to 1.6.2
joomla/filesystem fixed: 2.0.1 
Upgrade joomla/filesystem to 2.0.1
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 joomla/filesystem

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-23794, inspect your project dependencies for Joomla/filesystem:

inspect dependencies for joomla/filesystem

Analyze the terminal output to locate any version of Joomla/filesystem in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.6.2), 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-209: Generation of Error Message Containing Sensitive Information, where the product generates an error message that includes sensitive information about its environment, users, or associated data. In Joomla/filesystem, 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

An issue was discovered in Joomla! 3.0.0 through 3.10.6 & 4.0.0 through 4.1.0. Uploading a file name of an excess length causes the error. This error brings up the screen with the path of the source code of the web application.

CVE-2022-23794 Affected Joomla/filesystem Versions

2 component(s)
Fixed Versions:
1.6.22.0.1
Product / Package Ecosystem Affected Versions Fixed Version
joomla/filesystem
 Packagist
< 1.6.2
1.6.2
joomla/filesystem
 Packagist
≥ 2.0.0
< 2.0.1
2.0.1

References

NVD — CVE-2022-23794 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-23794
Joomla/filesystem Security Information SECURITY
https://developer.joomla.org/security-centre/871-20220302-core-path-disclosure-within-filesystem-error-messages.html
Joomla/filesystem Source Repository REPOSITORY
https://github.com/FriendsOfPHP/security-advisories/blob/master/joomla/filesystem/CVE-2022-23794.yaml
Joomla/filesystem Source Repository REPOSITORY
https://github.com/joomla-framework/filesystem

Frequently Asked Questions

What is CVE-2022-23794?
CVE-2022-23794 is a security vulnerability in Joomla/filesystem involving Path Disclosure within joomla/filesystem class under CWE-209: Generation of Error Message Containing Sensitive Information.
Which Joomla/filesystem versions are affected?
Affected versions include releases prior to 1.6.2, 2.0.1 across affected packages: joomla/filesystem.
What version fixes CVE-2022-23794?
Upgrading to 1.6.2, 2.0.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is joomla/filesystem affected?
Yes, joomla/filesystem is affected in releases prior to 1.6.2, 2.0.1. Upgrade your dependency to 1.6.2, 2.0.1 or later.
What is the CVSS score of CVE-2022-23794?
CVE-2022-23794 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2022-23794?
CVE-2022-23794 is classified under CWE-209: Generation of Error Message Containing Sensitive Information (The product generates an error message that includes sensitive information about its environment, users, or associated data.).
How can I check Packagist dependencies for CVE-2022-23794?
Run the dependency tree command: 'inspect dependencies for joomla/filesystem'. 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-rc8q-45v8-x6xc",
  "modified" : "2024-05-15T21:04:42Z",
  "published" : "2022-03-31T00:00:15Z",
  "aliases" : [ "CVE-2022-23794" ],
  "summary" : "Path Disclosure within joomla/filesystem class",
  "details" : "An issue was discovered in Joomla! 3.0.0 through 3.10.6 & 4.0.0 through 4.1.0. Uploading a file name of an excess length causes the error. This error brings up the screen with the path of the source code of the web application.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "joomla/filesystem"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.6.2"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "joomla/filesystem"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.0.0"
      }, {
        "fixed" : "2.0.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-23794"
  }, {
    "type" : "WEB",
    "url" : "https://developer.joomla.org/security-centre/871-20220302-core-path-disclosure-within-filesystem-error-messages.html"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/joomla/filesystem/CVE-2022-23794.yaml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/joomla-framework/filesystem"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-209" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-05-15T21:04:42Z",
    "nvd_published_at" : "2022-03-30T16:15:00Z"
  }
}