{"id":"PYSEC-2019-106","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.","aliases":["CVE-2019-14751","GHSA-mr7p-25v2-35wr"],"modified":"2023-11-08T04:01:10.707423Z","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"}],"affected":[{"package":{"name":"nltk","ecosystem":"PyPI","purl":"pkg:pypi/nltk"},"ranges":[{"type":"GIT","repo":"https://github.com/nltk/nltk","events":[{"introduced":"0"},{"fixed":"f59d7ed8df2e0e957f7f247fe218032abdbe9a10"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.5"}]}],"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"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/nltk/PYSEC-2019-106.yaml"}}],"schema_version":"1.7.3"}