Path traversal in Natural Language Toolkit - CVE-2019-14751
Published: September 2, 2019
Vulnerability identifier: #VU20543
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2019-14751
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Natural Language Toolkit
Natural Language Toolkit
Software vendor:
nltk.org
nltk.org
Description
The vulnerability allows a remote attacker to write arbitrary files on the target system.
The vulnerability exists due to the affected software does not properly handle ZIP archives during extraction. A remote attacker can by extract a ZIP archive that contains malicious traversal characters and write arbitrary files via a ../ (dot dot slash) on the system.
Remediation
Install updates from vendor's website.