CVE-2019-14751

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2019-14751
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-08-22T16:15:10
  • Last Modified Date
  • 2020-03-27T10:15:11
Weakness Enumerations
CWE URL
CWE-22 http://cwe.mitre.org/data/definitions/22.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:* 1 OR 3.4.5
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/nltk/nltk/commit/f59d7ed8df2e0e957f7f247fe218032abdbe9a10 Patch
https://salvatoresecurity.com/zip-slip-in-nltk-cve-2019-14751/ Exploit Patch Third Party Advisory
https://github.com/nltk/nltk/blob/3.4.5/ChangeLog Release Notes
https://github.com/mssalvatore/CVE-2019-14751_PoC Exploit Patch Third Party Advisory
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-14751
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14751
History
Created Old Value New Value Data Type Notes
2022-05-10 16:46:01 Added to TrackCVE
2022-12-04 01:43:42 2019-08-22T16:15Z 2019-08-22T16:15:10 CVE Published Date updated
2022-12-04 01:43:42 2020-03-27T10:15:11 CVE Modified Date updated
2022-12-04 01:43:42 Modified Vulnerability Status updated