CVE-2018-1002201 Improper Limitation of a Pathname to a Restricted Directory in zt-zip
Attackers can write arbitrary files via Zip-Slip in zt-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-2018-1002201?
CVE-2018-1002201 is a medium-severity path traversal vulnerability in zeroturnaround zt-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
zt-zip before 1.13 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-2018-1002201?
2 open source packages ship an affected version, including org.zeroturnaround:zt-zip. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.zeroturnaround:zt-zip Maven | All versions | 1.13 |
org.zeroturnaround:zt-zip Maven | All versions | 1.13 |
Products include Jrebel Zt-Zip.
How do I fix CVE-2018-1002201?
Upgrade org.zeroturnaround:zt-zip to 1.13 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2018-1002201 being exploited?
There is no known exploitation of CVE-2018-1002201 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-qcf3-9vmh-xw4r, SNYK-JAVA-ORGZEROTURNAROUND-31681.