CVE-2018-1002204 Arbitrary File Write in adm-zip
Attackers can write arbitrary files via Zip-Slip in adm-zip, potentially leading to code execution or data modification.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-1002204?
CVE-2018-1002204 is a medium-severity path traversal vulnerability in node.js adm-zip, published on 25 Jul 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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'.
Weakness: CWE-22
Which versions are affected by CVE-2018-1002204?
2 open source packages ship an affected version, including adm-zip. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
adm-zip npm | All versions | 0.4.11 |
adm-zip npm | All versions | 0.4.11 |
Products include Adm-Zip Project Adm-Zip.
How do I fix CVE-2018-1002204?
Upgrade adm-zip to 0.4.11 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2018-1002204 being exploited?
There is no known exploitation of CVE-2018-1002204 in the wild and no public exploit code.
Sources
Also known as CLSA-2026-1776731784, GHSA-3v6h-hqm4-2rg6.