pysec-2019-106
Vulnerability from pysec
Published
2019-08-22 16:15
Modified
2020-03-27 10:15
Details

NLTK Downloader before 3.4.5 is vulnerable to a directory traversal, allowing attackers to write arbitrary files via a ../ (dot dot slash) in an NLTK package (ZIP archive) that is mishandled during extraction.

Impacted products
Name purl
nltk pkg:pypi/nltk
Aliases


To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "nltk",
        "purl": "pkg:pypi/nltk"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "f59d7ed8df2e0e957f7f247fe218032abdbe9a10"
            }
          ],
          "repo": "https://github.com/nltk/nltk",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.1rc2-git",
        "0.8",
        "0.9",
        "0.9.3",
        "0.9.4",
        "0.9.5",
        "0.9.6",
        "0.9.7",
        "0.9.8",
        "0.9.9",
        "2.0b4",
        "2.0b5",
        "2.0b6",
        "2.0b7",
        "2.0b8",
        "2.0b9",
        "2.0.1rc1",
        "2.0.1rc3",
        "2.0.1rc4",
        "2.0.1",
        "2.0.2",
        "2.0.3",
        "2.0.4",
        "2.0.5",
        "3.0.0b1",
        "3.0.0b2",
        "3.0.0",
        "3.0.1",
        "3.0.2",
        "3.0.3",
        "3.0.4",
        "3.0.5",
        "3.1",
        "3.2",
        "3.2.1",
        "3.2.2",
        "3.2.3",
        "3.2.4",
        "3.2.5",
        "3.3",
        "3.4",
        "3.4.1",
        "3.4.2",
        "3.4.3",
        "3.4.4"
      ]
    }
  ],
  "aliases": [
    "CVE-2019-14751",
    "GHSA-mr7p-25v2-35wr"
  ],
  "details": "NLTK Downloader before 3.4.5 is vulnerable to a directory traversal, allowing attackers to write arbitrary files via a ../ (dot dot slash) in an NLTK package (ZIP archive) that is mishandled during extraction.",
  "id": "PYSEC-2019-106",
  "modified": "2020-03-27T10:15:00Z",
  "published": "2019-08-22T16:15:00Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/nltk/nltk/commit/f59d7ed8df2e0e957f7f247fe218032abdbe9a10"
    },
    {
      "type": "WEB",
      "url": "https://salvatoresecurity.com/zip-slip-in-nltk-cve-2019-14751/"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nltk/nltk/blob/3.4.5/ChangeLog"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mssalvatore/CVE-2019-14751_PoC"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGZSSEJH7RHH3RBUEVWWYT75QU67J7SE/"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QI4IJGLZQ5S7C5LNRNROHAO2P526XE3D/"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00054.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00001.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-mr7p-25v2-35wr"
    }
  ]
}


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