GHSA-r3jf-hm7q-qfw5 — MantisBT Vulnerable to Denial-of-Service (DoS) via Excessive Note Length

MantisBT Vulnerable to Denial-of-Service (DoS) via Excessive Note Length

The advisory, in context

A lack of server-side validation for note length in MantisBT allows attackers to permanently corrupt issue activity logs by submitting extremely long notes (tested with 4,788,761 characters). Once such a note is added:

Impact

The entire activity stream becomes unviewable (UI fails to render).
New notes cannot be displayed, effectively breaking all future collaboration on the issue.

Patches

Fixed in 2.27.2.

Workarounds

None

Credits

Thanks to Mazen Mahmoud (@TheAmazeng) for reporting the vulnerability.

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.

mantisbt/mantisbt Packagist

Ecosystem versions

Earlier releases before 2.27.2

Fixed in 2.27.2

72 explicitly affected versions

2.10.0, 2.10.1, 2.11.0, 2.11.1, 2.12.0, 2.12.1, 2.12.2, 2.13.0, 2.13.1, 2.13.2, 2.14.0, 2.15.0, 2.15.1, 2.16.0, 2.16.1, 2.17.0, 2.17.1, 2.17.2, 2.18.0, 2.18.1, 2.19.0, 2.19.1, 2.20.0, 2.20.1, 2.21.0, 2.21.1, 2.21.2, 2.21.3, 2.22.0, 2.22.1, 2.22.2, 2.23.0, 2.23.1, 2.24.0, 2.24.1, 2.24.2, 2.24.3, 2.24.4, 2.24.5, 2.25.0, 2.25.1, 2.25.2, 2.25.3, 2.25.4, 2.25.5, 2.25.6, 2.25.7, 2.25.8, 2.26.0, 2.26.1, 2.26.2, 2.26.3, 2.26.4, 2.27.0, 2.27.1, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.4.0, 2.4.1, 2.4.2, 2.5.0, 2.5.1, 2.5.2, 2.6.0, 2.7.0, 2.7.1, 2.8.0, 2.8.1, 2.9.0, 2.9.1

View affected-version evidence

{
  "ranges": [
    {
      "events": [
        {
          "introduced": "0"
        },
        {
          "fixed": "2.27.2"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": [
    "2.10.0",
    "2.10.1",
    "2.11.0",
    "2.11.1",
    "2.12.0",
    "2.12.1",
    "2.12.2",
    "2.13.0",
    "2.13.1",
    "2.13.2",
    "2.14.0",
    "2.15.0",
    "2.15.1",
    "2.16.0",
    "2.16.1",
    "2.17.0",
    "2.17.1",
    "2.17.2",
    "2.18.0",
    "2.18.1",
    "2.19.0",
    "2.19.1",
    "2.20.0",
    "2.20.1",
    "2.21.0",
    "2.21.1",
    "2.21.2",
    "2.21.3",
    "2.22.0",
    "2.22.1",
    "2.22.2",
    "2.23.0",
    "2.23.1",
    "2.24.0",
    "2.24.1",
    "2.24.2",
    "2.24.3",
    "2.24.4",
    "2.24.5",
    "2.25.0",
    "2.25.1",
    "2.25.2",
    "2.25.3",
    "2.25.4",
    "2.25.5",
    "2.25.6",
    "2.25.7",
    "2.25.8",
    "2.26.0",
    "2.26.1",
    "2.26.2",
    "2.26.3",
    "2.26.4",
    "2.27.0",
    "2.27.1",
    "2.3.0",
    "2.3.1",
    "2.3.2",
    "2.3.3",
    "2.4.0",
    "2.4.1",
    "2.4.2",
    "2.5.0",
    "2.5.1",
    "2.5.2",
    "2.6.0",
    "2.7.0",
    "2.7.1",
    "2.8.0",
    "2.8.1",
    "2.9.0",
    "2.9.1"
  ]
}

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