GHSA-rv8r-8mh5-5376: Typo3/cms core TYPO3 Information Disclosure Vulnerability

MODERATE
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CVSS 5.4
CWE-862
Published
Advisory Summary

GHSA-rv8r-8mh5-5376 is a MODERATE (CVSS 5.4) typo3 information disclosure vulnerability (CWE-862: Missing Authorization) affecting Typo3/cms core libraries in the Packagist ecosystem. The issue involves typo3 information disclosure in backend user interface. Remediation is available by upgrading affected packages to version 8.7.27, 9.5.8.

GHSA-rv8r-8mh5-5376 at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-rv8r-8mh5-5376
Severity MODERATE
CVSS v3.1 Base Score 5.4
CWE Classification CWE-862: Missing Authorization
Affected Product Typo3/cms core
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.4

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).

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

How to Fix GHSA-rv8r-8mh5-5376

To remediate this vulnerability, upgrade all affected Typo3/cms core dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

typo3/cms-core fixed: 8.7.27 
Upgrade typo3/cms-core to 8.7.27
typo3/cms-core fixed: 9.5.8 
Upgrade typo3/cms-core to 9.5.8
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 typo3/cms-core

How to Check if You Are Affected

To determine whether your application is affected by GHSA-rv8r-8mh5-5376, inspect your project dependencies for Typo3/cms core:

inspect dependencies for typo3/cms-core

Analyze the terminal output to locate any version of Typo3/cms core in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 8.7.27), 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-862: Missing Authorization, where the product does not perform an authorization check when an actor attempts to access a resource or perform an action. In Typo3/cms core, 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 element information component used to display properties of a certain record is susceptible to information disclosure. The list of references from or to the record is not properly checked for the backend user’s permissions. A valid backend user account is needed in order to exploit this vulnerability.

GHSA-rv8r-8mh5-5376 Affected Typo3/cms core Versions

2 component(s)
Fixed Versions:
8.7.279.5.8
Product / Package Ecosystem Affected Versions Fixed Version
typo3/cms-core
 Packagist
≥ 8.0.0
< 8.7.27
8.7.27
typo3/cms-core
 Packagist
≥ 9.0.0
< 9.5.8
9.5.8

References

Typo3/cms core Source Repository REPOSITORY
https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/2019-06-25-1.yaml
Typo3/cms core Source Repository REPOSITORY
https://github.com/TYPO3-CMS/core
Typo3/cms core Security Information SECURITY
https://typo3.org/security/advisory/typo3-core-sa-2019-014

Frequently Asked Questions

What is GHSA-rv8r-8mh5-5376?
GHSA-rv8r-8mh5-5376 is a security vulnerability in Typo3/cms core involving TYPO3 Information Disclosure in Backend User Interface under CWE-862: Missing Authorization.
Which Typo3/cms core versions are affected?
Affected versions include releases prior to 8.7.27, 9.5.8 across affected packages: typo3/cms-core.
What version fixes GHSA-rv8r-8mh5-5376?
Upgrading to 8.7.27, 9.5.8 (or the latest patched release for your respective branch) resolves the vulnerability.
Is typo3/cms-core affected?
Yes, typo3/cms-core is affected in releases prior to 8.7.27, 9.5.8. Upgrade your dependency to 8.7.27, 9.5.8 or later.
What is the CVSS score of GHSA-rv8r-8mh5-5376?
GHSA-rv8r-8mh5-5376 has a CVSS v3.1 base score of 5.4 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
What CWE is associated with GHSA-rv8r-8mh5-5376?
GHSA-rv8r-8mh5-5376 is classified under CWE-862: Missing Authorization (The product does not perform an authorization check when an actor attempts to access a resource or perform an action.).
How can I check Packagist dependencies for GHSA-rv8r-8mh5-5376?
Run the dependency tree command: 'inspect dependencies for typo3/cms-core'. 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-rv8r-8mh5-5376",
  "modified" : "2024-05-30T18:19:56Z",
  "published" : "2024-05-30T18:19:56Z",
  "aliases" : [ ],
  "summary" : "TYPO3 Information Disclosure in Backend User Interface",
  "details" : "The element information component used to display properties of a certain record is susceptible to information disclosure. The list of references from or to the record is not properly checked for the backend user’s permissions. A valid backend user account is needed in order to exploit this vulnerability.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/cms-core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "8.0.0"
      }, {
        "fixed" : "8.7.27"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/cms-core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "9.0.0"
      }, {
        "fixed" : "9.5.8"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/2019-06-25-1.yaml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/TYPO3-CMS/core"
  }, {
    "type" : "WEB",
    "url" : "https://typo3.org/security/advisory/typo3-core-sa-2019-014"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-862" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-05-30T18:19:56Z",
    "nvd_published_at" : null
  }
}