7.5

CVE-2019-14751

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Nltk ≫ Nltk Version < 3.4.5
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 5.83% 0.922
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:P/A:N
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00001.html
https://github.com/mssalvatore/CVE-2019-14751_PoC
Patch
Third Party Advisory
Exploit
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%40lists.fedoraproject.org/message/QI4IJGLZQ5S7C5LNRNROHAO2P526XE3D/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZGZSSEJH7RHH3RBUEVWWYT75QU67J7SE/
https://salvatoresecurity.com/zip-slip-in-nltk-cve-2019-14751/
Patch
Third Party Advisory
Exploit