OPENSUSE-SU-2020:0436-1

Vulnerability from csaf_opensuse - Published: 2020-03-31 14:23 - Updated: 2026-09-20 19:05
Summary
Security update for python-nltk
Severity
Moderate
Notes
Title of the patch: Security update for python-nltk
Description of the patch: This update for python-nltk fixes the following issues: Update to 3.4.5 (boo#1146427, CVE-2019-14751): * CVE-2019-14751: Fixed Zip slip vulnerability in downloader for the unlikely situation where a user configures their downloader to use a compromised server (boo#1146427) Update to 3.4.4: * fix bug in plot function (probability.py) * add improved PanLex Swadesh corpus reader * add Text.generate() * add QuadgramAssocMeasures * add SSP to tokenizers * return confidence of best tag from AveragedPerceptron * make plot methods return Axes objects * don't require list arguments to PositiveNaiveBayesClassifier.train * fix Tree classes to work with native Python copy library * fix inconsistency for NomBank * fix random seeding in LanguageModel.generate * fix ConditionalFreqDist mutation on tabulate/plot call * fix broken links in documentation * fix misc Wordnet issues * update installation instructions Version update to 3.4.1: * add chomsky_normal_form for CFGs * add meteor score * add minimum edit/Levenshtein distance based alignment function * allow access to collocation list via text.collocation_list() * support corenlp server options * drop support for Python 3.4 * other minor fixes Update to v3.4: * Support Python 3.7 * New Language Modeling package * Cistem Stemmer for German * Support Russian National Corpus incl POS tag model * Krippendorf Alpha inter-rater reliability test * Comprehensive code clean-ups * Switch continuous integration from Jenkins to Travis Updated to v3.3: * Support Python 3.6 * New interface to CoreNLP * Support synset retrieval by sense key * Minor fixes to CoNLL Corpus Reader * AlignedSent * Fixed minor inconsistencies in APIs and API documentation * Better conformance to PEP8 * Drop Moses Tokenizer (incompatible license)
Patchnames: openSUSE-2020-436
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2019-14751
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap 15.1:python2-nltk-0:3.4.5-lp151.4.3.1.noarch —
Vendor Fix
Unresolved product id: openSUSE Leap 15.1:python3-nltk-0:3.4.5-lp151.4.3.1.noarch —
Vendor Fix
Threats
Impact important
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for python-nltk",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for python-nltk fixes the following issues:\n\nUpdate to 3.4.5 (boo#1146427, CVE-2019-14751):\n\n* CVE-2019-14751: Fixed Zip slip vulnerability in downloader for the\n  unlikely situation where a user configures their downloader to use\n  a compromised server (boo#1146427)\n\nUpdate to 3.4.4:\n\n* fix bug in plot function (probability.py)\n* add improved PanLex Swadesh corpus reader\n* add Text.generate()\n* add QuadgramAssocMeasures\n* add SSP to tokenizers\n* return confidence of best tag from AveragedPerceptron\n* make plot methods return Axes objects\n* don\u0027t require list arguments to PositiveNaiveBayesClassifier.train\n* fix Tree classes to work with native Python copy library\n* fix inconsistency for NomBank\n* fix random seeding in LanguageModel.generate\n* fix ConditionalFreqDist mutation on tabulate/plot call\n* fix broken links in documentation\n* fix misc Wordnet issues\n* update installation instructions\n\nVersion update to 3.4.1:\n\n* add chomsky_normal_form for CFGs\n* add meteor score\n* add minimum edit/Levenshtein distance based alignment function\n* allow access to collocation list via text.collocation_list()\n* support corenlp server options\n* drop support for Python 3.4\n* other minor fixes\n\nUpdate to v3.4:\n\n* Support Python 3.7\n* New Language Modeling package\n* Cistem Stemmer for German\n* Support Russian National Corpus incl POS tag model\n* Krippendorf Alpha inter-rater reliability test\n* Comprehensive code clean-ups\n* Switch continuous integration from Jenkins to Travis\n\nUpdated to v3.3:\n\n* Support Python 3.6\n* New interface to CoreNLP\n* Support synset retrieval by sense key\n* Minor fixes to CoNLL Corpus Reader\n* AlignedSent\n* Fixed minor inconsistencies in APIs and API documentation\n* Better conformance to PEP8\n* Drop Moses Tokenizer (incompatible license)\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "openSUSE-2020-436",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2020_0436-1.json"
      },
      {
        "category": "self",
        "summary": "URL for openSUSE-SU-2020:0436-1",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/JQ6ZSSQHXJZYKCAD25PTWOW4FERVCB35/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for openSUSE-SU-2020:0436-1",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/JQ6ZSSQHXJZYKCAD25PTWOW4FERVCB35/"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1146427",
        "url": "https://bugzilla.suse.com/1146427"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2019-14751 page",
        "url": "https://www.suse.com/security/cve/CVE-2019-14751/"
      }
    ],
    "title": "Security update for python-nltk",
    "tracking": {
      "current_release_date": "2026-09-20T19:05:10Z",
      "generator": {
        "date": "2020-03-31T14:23:34Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "openSUSE-SU-2020:0436-1",
      "initial_release_date": "2020-03-31T14:23:34Z",
      "revision_history": [
        {
          "date": "2020-03-31T14:23:34Z",
          "number": "1",
          "summary": "Current version"
        },
        {
          "date": "2026-09-20T19:05:10Z",
          "number": "2",
          "summary": "unknown changes"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "python2-nltk-0:3.4.5-lp151.4.3.1.noarch",
                "product": {
                  "name": "python2-nltk-0:3.4.5-lp151.4.3.1.noarch",
                  "product_id": "python2-nltk-0:3.4.5-lp151.4.3.1.noarch",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/suse/python2-nltk@3.4.5-lp151.4.3.1?arch=noarch"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "python3-nltk-0:3.4.5-lp151.4.3.1.noarch",
                "product": {
                  "name": "python3-nltk-0:3.4.5-lp151.4.3.1.noarch",
                  "product_id": "python3-nltk-0:3.4.5-lp151.4.3.1.noarch",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/suse/python3-nltk@3.4.5-lp151.4.3.1?arch=noarch"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "noarch"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "openSUSE Leap 15.1",
                "product": {
                  "name": "openSUSE Leap 15.1",
                  "product_id": "openSUSE Leap 15.1",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:opensuse:leap:15.1"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "python2-nltk-0:3.4.5-lp151.4.3.1.noarch as component of openSUSE Leap 15.1",
          "product_id": "openSUSE Leap 15.1:python2-nltk-0:3.4.5-lp151.4.3.1.noarch"
        },
        "product_reference": "python2-nltk-0:3.4.5-lp151.4.3.1.noarch",
        "relates_to_product_reference": "openSUSE Leap 15.1"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "python3-nltk-0:3.4.5-lp151.4.3.1.noarch as component of openSUSE Leap 15.1",
          "product_id": "openSUSE Leap 15.1:python3-nltk-0:3.4.5-lp151.4.3.1.noarch"
        },
        "product_reference": "python3-nltk-0:3.4.5-lp151.4.3.1.noarch",
        "relates_to_product_reference": "openSUSE Leap 15.1"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-14751",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-14751"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "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.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap 15.1:python2-nltk-0:3.4.5-lp151.4.3.1.noarch",
          "openSUSE Leap 15.1:python3-nltk-0:3.4.5-lp151.4.3.1.noarch"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2019-14751",
          "url": "https://www.suse.com/security/cve/CVE-2019-14751"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1146427 for CVE-2019-14751",
          "url": "https://bugzilla.suse.com/1146427"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 15.1:python2-nltk-0:3.4.5-lp151.4.3.1.noarch",
            "openSUSE Leap 15.1:python3-nltk-0:3.4.5-lp151.4.3.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
          },
          "products": [
            "openSUSE Leap 15.1:python2-nltk-0:3.4.5-lp151.4.3.1.noarch",
            "openSUSE Leap 15.1:python3-nltk-0:3.4.5-lp151.4.3.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-03-31T14:23:34Z",
          "details": "important"
        }
      ],
      "title": "CVE-2019-14751"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.