GHSA-J533-2G8V-PMPG

Vulnerability from github – Published: 2023-02-12 15:30 – Updated: 2023-02-22 16:31
VLAI?
Summary
Regular Expression Denial of Service in simple-markdown
Details

A vulnerability, which was classified as problematic, was found in simple-markdown 0.6.0. Affected is an unknown function of the file simple-markdown.js. The manipulation with the input <<<<<<<<<<:/:/:/:/:/:/:/:/:/:/ leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.6.1 is able to address this issue. The name of the patch is 015a719bf5cdc561feea05500ecb3274ef609cd2. It is recommended to upgrade the affected component. VDB-220638 is the identifier assigned to this vulnerability.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "simple-markdown"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2019-25102"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-02-14T00:57:45Z",
    "nvd_published_at": "2023-02-12T14:15:00Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability, which was classified as problematic, was found in simple-markdown 0.6.0. Affected is an unknown function of the file simple-markdown.js. The manipulation with the input \u003c\u003c\u003c\u003c\u003c\u003c\u003c\u003c\u003c\u003c:/:/:/:/:/:/:/:/:/:/ leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.6.1 is able to address this issue. The name of the patch is 015a719bf5cdc561feea05500ecb3274ef609cd2. It is recommended to upgrade the affected component. VDB-220638 is the identifier assigned to this vulnerability.",
  "id": "GHSA-j533-2g8v-pmpg",
  "modified": "2023-02-22T16:31:59Z",
  "published": "2023-02-12T15:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25102"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ariabuckles/simple-markdown/pull/73"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ariabuckles/simple-markdown/commit/015a719bf5cdc561feea05500ecb3274ef609cd2"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ariabuckles/simple-markdown"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ariabuckles/simple-markdown/releases/tag/0.6.1"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.220638"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.220638"
    }
  ],
  "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": "Regular Expression Denial of Service in simple-markdown"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.