CVE Vulnerability

CVE-2019-14751

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/nltk/nltk/commit/f59d7ed8df2e0e957f7f247fe218032abdbe9a10 Patch
https://salvatoresecurity.com/zip-slip-in-nltk-cve-2019-14751/ Exploit Patch
https://github.com/nltk/nltk/blob/3.4.5/ChangeLog Release Notes
https://github.com/mssalvatore/CVE-2019-14751_PoC Exploit Patch
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGZSSEJH7RHH3RBUEVWWYT75QU67J7SE/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QI4IJGLZQ5S7C5LNRNROHAO2P526XE3D/
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00001.html
Configurations

Configuration 1

cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*
Information

Published : 2019-08-22 04:15

Updated : 2020-03-27 10:15

NVD link : CVE-2019-14751

Mitre link : CVE-2019-14751

Products Affected
No products.
CWE
CWE-22