CVE-2019-14751

Sažetak

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.

Reference

https://github.com/nltk/nltk/commit/f59d7ed8df2e0e957f7f247fe218032abdbe9a10
https://salvatoresecurity.com/zip-slip-in-nltk-cve-2019-14751/
https://github.com/nltk/nltk/blob/3.4.5/ChangeLog
https://github.com/mssalvatore/CVE-2019-14751_PoC
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00001.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZGZSSEJH7RHH3RBUEVWWYT75QU67J7SE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QI4IJGLZQ5S7C5LNRNROHAO2P526XE3D/

CVSS

Base:	5.0
Impact:	2.9
Exploitability:	10.0

Pristup

Vektor	Složenost	Autentikacija
NETWORK	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	PARTIAL	NONE

CVSS vektor

AV:N/AC:L/Au:N/C:N/I:P/A:N

Zadnje važnije ažuriranje

07-11-2023 - 03:05

Objavljeno

22-08-2019 - 16:15