National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-14751 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/mssalvatore/CVE-2019-14751_PoC Exploit Patch Third Party Advisory
https://github.com/nltk/nltk/blob/3.4.5/ChangeLog Release Notes
https://github.com/nltk/nltk/commit/f59d7ed8df2e0e957f7f247fe218032abdbe9a10 Patch
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QI4IJGLZQ5S7C5LNRNROHAO2P526XE3D/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGZSSEJH7RHH3RBUEVWWYT75QU67J7SE/
https://salvatoresecurity.com/zip-slip-in-nltk-cve-2019-14751/ Exploit Patch Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
3.4.5


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-14751
NVD Published Date:
08/22/2019
NVD Last Modified:
03/27/2020