CVE-2011-4902: Typo3/cms Typo3 Arbitrary File Delete Vulnerability

MODERATE
Advisory Identifier: GHSA-9vxq-mxw5-mcgp
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CVSS 6.5
CWE-20
Published
Advisory Summary

CVE-2011-4902 is a MODERATE (CVSS 6.5) typo3 arbitrary file delete vulnerability (CWE-20: Improper Input Validation) affecting Typo3/cms libraries in the Packagist ecosystem. The issue involves typo3 arbitrary file delete. Remediation is available by upgrading affected packages to version 4.3.12, 4.4.9, 4.5.4.

CVE-2011-4902 at a Glance

CVE Identifier CVE-2011-4902
GHSA Identifier GHSA-9vxq-mxw5-mcgp
Severity MODERATE
CVSS v3.1 Base Score 6.5
CWE Classification CWE-20: Improper Input Validation
Affected Product Typo3/cms
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 6.5

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:N/I:H/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 None (C:N)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2011-4902

To remediate this vulnerability, upgrade all affected Typo3/cms 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 fixed: 4.3.12 
Upgrade typo3/cms to 4.3.12
typo3/cms fixed: 4.4.9 
Upgrade typo3/cms to 4.4.9
typo3/cms fixed: 4.5.4 
Upgrade typo3/cms to 4.5.4
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

How to Check if You Are Affected

To determine whether your application is affected by CVE-2011-4902, inspect your project dependencies for Typo3/cms:

inspect dependencies for typo3/cms

Analyze the terminal output to locate any version of Typo3/cms in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.3.12), 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-20: Improper Input Validation, where the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. In Typo3/cms, 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

TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to delete arbitrary files on the webserver.

CVE-2011-4902 Affected Typo3/cms Versions

3 component(s)
Fixed Versions:
4.3.124.4.94.5.4
Product / Package Ecosystem Affected Versions Fixed Version
typo3/cms
 Packagist
< 4.3.12
4.3.12
typo3/cms
 Packagist
≥ 4.4.0
< 4.4.9
4.4.9
typo3/cms
 Packagist
≥ 4.5.0
< 4.5.4
4.5.4

References

NVD — CVE-2011-4902 NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-4902
Typo3/cms Source Repository REPOSITORY
https://github.com/TYPO3/typo3
Typo3/cms Security Information SECURITY
https://security-tracker.debian.org/tracker/CVE-2011-4902
Typo3/cms Security Information SECURITY
https://typo3.org/security/advisory/typo3-core-sa-2011-001/#Unserialize

Frequently Asked Questions

What is CVE-2011-4902?
CVE-2011-4902 is a security vulnerability in Typo3/cms involving Typo3 Arbitrary File Delete under CWE-20: Improper Input Validation.
Which Typo3/cms versions are affected?
Affected versions include releases prior to 4.3.12, 4.4.9, 4.5.4 across affected packages: typo3/cms.
What version fixes CVE-2011-4902?
Upgrading to 4.3.12, 4.4.9, 4.5.4 (or the latest patched release for your respective branch) resolves the vulnerability.
Is typo3/cms affected?
Yes, typo3/cms is affected in releases prior to 4.3.12, 4.4.9, 4.5.4. Upgrade your dependency to 4.3.12, 4.4.9, 4.5.4 or later.
What is the CVSS score of CVE-2011-4902?
CVE-2011-4902 has a CVSS v3.1 base score of 6.5 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
What CWE is associated with CVE-2011-4902?
CVE-2011-4902 is classified under CWE-20: Improper Input Validation (The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.).
How can I check Packagist dependencies for CVE-2011-4902?
Run the dependency tree command: 'inspect dependencies for typo3/cms'. 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-9vxq-mxw5-mcgp",
  "modified" : "2024-01-12T20:41:29Z",
  "published" : "2022-04-22T00:24:10Z",
  "aliases" : [ "CVE-2011-4902" ],
  "summary" : "Typo3 Arbitrary File Delete",
  "details" : "TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to delete arbitrary files on the webserver.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/cms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "4.3.12"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/cms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.4.0"
      }, {
        "fixed" : "4.4.9"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "typo3/cms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.5.0"
      }, {
        "fixed" : "4.5.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2011-4902"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/TYPO3/typo3"
  }, {
    "type" : "WEB",
    "url" : "https://security-tracker.debian.org/tracker/CVE-2011-4902"
  }, {
    "type" : "WEB",
    "url" : "https://typo3.org/security/advisory/typo3-core-sa-2011-001/#Unserialize"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-20" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-01-12T20:41:29Z",
    "nvd_published_at" : "2019-11-06T17:15:00Z"
  }
}