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GHSA-p2jh-95jg-2w55low3.7

Information Disclosure in typo3/cms-install tool

Check your stack

The advisory, in context

CVSS: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:O/RC:C (3.5)

Problem

The login screen of the standalone install tool discloses the full path of the transient data directory (e.g. /var/www/html/var/transient/). This applies to composer-based scenarios only - “classic” non-composer installations are not affected.

Solution

Update to TYPO3 version 12.4.8 that fixes the problem described above.

Credits

Thanks to Markus Klein who reported and fixed the issue.

References

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.

Ecosystem versions

From 12.2.0 before 12.4.8

Fixed in 12.4.8

10 explicitly affected versions

v12.2.0, v12.3.0, v12.4.0, v12.4.1, v12.4.2, v12.4.3, v12.4.4, v12.4.5, v12.4.6, v12.4.7

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "12.2.0"
        },
        {
          "fixed": "12.4.8"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": [
    "v12.2.0",
    "v12.3.0",
    "v12.4.0",
    "v12.4.1",
    "v12.4.2",
    "v12.4.3",
    "v12.4.4",
    "v12.4.5",
    "v12.4.6",
    "v12.4.7"
  ]
}

References