CVE-2018-1002204

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 13.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-07-25 · updated 2026-06-17
Weakness: CWE-22

Description

adm-zip npm library before 0.4.9 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.

Affected products

node.js adm-zip: before 0.4.9 — fixed in 0.4.9

How to fix

Upgrade to a fixed version: node.js adm-zip 0.4.9. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/107001
https://github.com/cthackers/adm-zip/commit/62f64004fefb894c523a7143e8a88ebe6c84df25
https://github.com/cthackers/adm-zip/pull/212
https://github.com/snyk/zip-slip-vulnerability
https://snyk.io/research/zip-slip-vulnerability
https://snyk.io/vuln/npm:adm-zip:20180415
http://www.securityfocus.com/bid/107001
https://github.com/cthackers/adm-zip/commit/62f64004fefb894c523a7143e8a88ebe6c84df25
https://github.com/cthackers/adm-zip/pull/212
https://github.com/snyk/zip-slip-vulnerability
https://snyk.io/research/zip-slip-vulnerability
https://snyk.io/vuln/npm:adm-zip:20180415

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