CVE-2018-1002201

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 10.4% 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

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'.

Affected products

zeroturnaround zt-zip: before 1.13 — fixed in 1.13

How to fix

Upgrade to a fixed version: zeroturnaround zt-zip 1.13. Check the vendor advisory for mitigations.

References

https://github.com/snyk/zip-slip-vulnerability
https://github.com/zeroturnaround/zt-zip/blob/zt-zip-1.13/Changelog.txt
https://github.com/zeroturnaround/zt-zip/commit/759b72f33bc8f4d69f84f09fcb7f010ad45d6fff
https://snyk.io/research/zip-slip-vulnerability
https://snyk.io/vuln/SNYK-JAVA-ORGZEROTURNAROUND-31681
https://github.com/snyk/zip-slip-vulnerability
https://github.com/zeroturnaround/zt-zip/blob/zt-zip-1.13/Changelog.txt
https://github.com/zeroturnaround/zt-zip/commit/759b72f33bc8f4d69f84f09fcb7f010ad45d6fff
https://snyk.io/research/zip-slip-vulnerability
https://snyk.io/vuln/SNYK-JAVA-ORGZEROTURNAROUND-31681

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