GHSA-m4hw-r893-xh4g — TYPO3 allows remote authenticated backend users to unserialize arbitrary objects

The advisory, in context

view_help.php in the backend help system in TYPO3 4.5.x before 4.5.19, 4.6.x before 4.6.12 and 4.7.x before 4.7.4 allows remote authenticated backend users to unserialize arbitrary objects and possibly execute arbitrary PHP code via an unspecified parameter, related to a "missing signature (HMAC)."

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

typo3/cms Packagist

Ecosystem versions

From 4.5.0 before 4.5.19

Fixed in 4.5.19

View affected-version evidence

{
  "ranges": [
    {
      "events": [
        {
          "introduced": "4.5.0"
        },
        {
          "fixed": "4.5.19"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": []
}

typo3/cms Packagist

Ecosystem versions

From 4.6.0 before 4.6.12

Fixed in 4.6.12

View affected-version evidence

{
  "ranges": [
    {
      "events": [
        {
          "introduced": "4.6.0"
        },
        {
          "fixed": "4.6.12"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": []
}

typo3/cms Packagist

Ecosystem versions

From 4.7.0 before 4.7.4

Fixed in 4.7.4

View affected-version evidence

{
  "ranges": [
    {
      "events": [
        {
          "introduced": "4.7.0"
        },
        {
          "fixed": "4.7.4"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": []
}

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TYPO3 allows remote authenticated backend users to unserialize arbitrary objects

The advisory, in context

Affected packages

References