VDB
CVE-2019-14751
CVE-2019-14751
PUBLISHED
CVSS 7.5 HIGH
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.
EPSS 5.67% · 92.4th percentile
Risk Scores
CVSS 3.0
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score
5.67%
92.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:14.04:LTS | nltk | 0, 2.0~b9-0ubuntu4 |
| Ubuntu:16.04:LTS | nltk | 3.0.5-1, 3.0.4-1, 3.1-1 |
| Ubuntu:18.04:LTS | nltk | 3.2.4-1, 0, 3.2.5-1 |
Timeline
- Aug 20, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Jan 9, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- May 14, 2023 EPSS Score
- Sep 17, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-14751 third-party-advisory
- https://github.com/nltk/nltk/blob/3.4.5/ChangeLog third-party-advisory
- https://salvatoresecurity.com/zip-slip-in-nltk-cve-2019-14751/ third-party-advisory
- https://github.com/mssalvatore/CVE-2019-14751_PoC third-party-advisory
- https://ubuntu.com/security/notices/USN-4106-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-14751 third-party-advisory