CVE-2019-14751 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	7.5 HIGH	NETWORK	LOW	NONE	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
mitre	CNA	---				---
CVE	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 92%

Vendor	Product	Version
nltk	nltk	𝑥 < 3.4.5

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

nltk

bullseye	3.5-1 fixed
buster	no-dsa
stretch	no-dsa
jessie	no-dsa
bookworm	3.8-1 fixed
sid	3.9.1-2 fixed
trixie	3.9.1-2 fixed

Ubuntu Releases

Ubuntu Product

Codename

nltk

disco	Fixed 3.4-1ubuntu0.1 released
bionic	Fixed 3.2.5-1ubuntu0.1 released
xenial	Fixed 3.1-1ubuntu0.1 released
trusty	Fixed 2.0~b9-0ubuntu4.1~esm2 released

Known Exploits!

Common Weakness Enumeration

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The software 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 software 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.

References

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

https://github.com/nltk/nltk/blob/3.4.5/ChangeLog

https://github.com/nltk/nltk/commit/f59d7ed8df2e0e957f7f247fe218032abdbe9a10

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/

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

https://github.com/nltk/nltk/blob/3.4.5/ChangeLog

https://github.com/nltk/nltk/commit/f59d7ed8df2e0e957f7f247fe218032abdbe9a10

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/