GHSA-QCM3-VFQ5-WFR2

Vulnerability from github – Published: 2023-06-06 18:30 – Updated: 2024-01-09 23:32
VLAI
Summary
RedCloth Regular Expression Denial of Service issue
Details

A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize_html function of RedCloth gem. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "RedCloth"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-31606"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-06-06T20:27:29Z",
    "nvd_published_at": "2023-06-06T17:15:14Z",
    "severity": "HIGH"
  },
  "details": "A Regular Expression Denial of Service (ReDoS) issue was discovered in the `sanitize_html` function of RedCloth gem. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.",
  "id": "GHSA-qcm3-vfq5-wfr2",
  "modified": "2024-01-09T23:32:33Z",
  "published": "2023-06-06T18:30:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-31606"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jgarber/redcloth/issues/73"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jgarber/redcloth/commit/8b1327688fef8e6617792054ef299d7bc74c0a1e"
    },
    {
      "type": "WEB",
      "url": "https://github.com/e23e/CVE-2023-31606#readme"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/jgarber/redcloth"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jgarber/redcloth/blob/v4.3.2/lib/redcloth/formatters/html.rb#L327"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/RedCloth/CVE-2023-31606.yml"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00002.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202401-14"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "RedCloth Regular Expression Denial of Service issue"
}



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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.