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Advisories

NLTK 3.9.4 Path Traversal via FrameNet and NKJP Readers

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severity
medium
date
Affecting

  • nltk >= 0, < 3.10.0

CWE
  • CWE-73 External Control of File Name or Path
CVSS
8.2
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Description
NLTK versions before 3.10.0 contain a path traversal vulnerability in FramenetCorpusReader and NKJPCorpusReader that allows attackers to parse XML files outside the corpus root by supplying unsafe selectors or poisoned index state. Attackers can exploit frame_by_name, doc, lu, and header methods with crafted parameters to read arbitrary XML files accessible to the application.

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