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Vulnerabilities / CVE-2018-1000544

critical

CVE-2018-1000544

rubyzip: arbitrary file write vulnerability / arbitrary code execution using a specially crafted zip file

Published Modified CWE 59, 434
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat4.8CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA, Ruby Advisory DB. Rated lower by Red Hat (medium), Ubuntu (medium).

Description

rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..

Affected packages and fixed versions

SourcePackageFixed in
rubygems::GitHub Security Advisory RubyGemsrubyzip1.2.2
rubygems::Ruby Advisory Databaserubyzip>= 1.2.2
debian 11ruby-zip1.2.2-1
debian 12ruby-zip1.2.2-1
debian 13ruby-zip1.2.2-1
debian 14ruby-zip1.2.2-1
debian 8ruby-zip1.1.6-1+deb8u2
debian 9ruby-zip1.2.0-1.1+deb9u1
echoruby-zip1.2.2-1
ubuntu 18.04ruby-zip1.2.1-1.1~build0.18.04.1
ubuntu 18.04-ESMruby-zip1.2.1-1.1~build0.18.04.1

References

All 10 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.