Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLW1yN3AtMjV2Mi0zNXdy

NLTK Vulnerable To Path Traversal

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.

Permalink: https://github.com/advisories/GHSA-mr7p-25v2-35wr
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLW1yN3AtMjV2Mi0zNXdy
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 5 years ago
Updated: about 2 months ago

CVSS Score: 7.5
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Percentage: 0.00774
EPSS Percentile: 0.81587

Identifiers: GHSA-mr7p-25v2-35wr, CVE-2019-14751
References:

• https://nvd.nist.gov/vuln/detail/CVE-2019-14751
• 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
• 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/advisories/GHSA-mr7p-25v2-35wr
• https://github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2019-106.yaml
• https://lists.fedoraproject.org/archives/list/[email protected]/message/QI4IJGLZQ5S7C5LNRNROHAO2P526XE3D
• https://lists.fedoraproject.org/archives/list/[email protected]/message/ZGZSSEJH7RHH3RBUEVWWYT75QU67J7SE
• https://salvatoresecurity.com/zip-slip-in-nltk-cve-2019-14751

Repository: https://github.com/mssalvatore/CVE-2019-14751_PoC
Blast Radius: 35.7

Affected Packages