CVE-2019-14751: NLTK Vulnerable To Path Traversal
(updated )
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.
References
- github.com/advisories/GHSA-mr7p-25v2-35wr
- github.com/mssalvatore/CVE-2019-14751_PoC
- github.com/nltk/nltk
- github.com/nltk/nltk/blob/3.4.5/ChangeLog
- github.com/nltk/nltk/commit/f59d7ed8df2e0e957f7f247fe218032abdbe9a10
- github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2019-106.yaml
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QI4IJGLZQ5S7C5LNRNROHAO2P526XE3D
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGZSSEJH7RHH3RBUEVWWYT75QU67J7SE
- nvd.nist.gov/vuln/detail/CVE-2019-14751
- salvatoresecurity.com/zip-slip-in-nltk-cve-2019-14751
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