GHSA-6M93-343M-3JRC

Vulnerability from github – Published: 2022-01-21 23:29 – Updated: 2022-01-25 20:48
VLAI?
Summary
Cross-site Scripting in HTML2PDF
Details

An issue was discovered in Spipu HTML2PDF before 5.2.4. Attackers can trigger deserialization of arbitrary data via the injection of a malicious tag in the converted HTML document.

Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "spipu/html2pdf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-45394"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79",
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-01-19T22:40:38Z",
    "nvd_published_at": "2022-01-18T12:15:00Z",
    "severity": "HIGH"
  },
  "details": "An issue was discovered in Spipu HTML2PDF before 5.2.4. Attackers can trigger deserialization of arbitrary data via the injection of a malicious \u003clink\u003e tag in the converted HTML document.",
  "id": "GHSA-6m93-343m-3jrc",
  "modified": "2022-01-25T20:48:30Z",
  "published": "2022-01-21T23:29:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45394"
    },
    {
      "type": "WEB",
      "url": "https://github.com/spipu/html2pdf/commit/100a4d509abf8550765cf0e0da83e83abb422585"
    },
    {
      "type": "WEB",
      "url": "https://github.com/spipu/html2pdf/commit/2e6bab9a2afe9cfd4d3c3038da64d8ad74e41d7f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/spipu/html2pdf"
    },
    {
      "type": "WEB",
      "url": "https://github.com/spipu/html2pdf/blob/master/CHANGELOG.md"
    },
    {
      "type": "WEB",
      "url": "https://github.com/spipu/html2pdf/releases/tag/v5.2.4"
    },
    {
      "type": "WEB",
      "url": "https://www.synacktiv.com/sites/default/files/2022-01/html2pdf_ssrf_deserialization.pdf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Cross-site Scripting in HTML2PDF"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.