CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2018-1000544
Critical (9.8). EPSS 4.4% chance of exploitation in the next 30 days. Fixed in rubyzip 1.2.2.
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..
Severity
- EPSS
- 4.4% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-59, CWE-434
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- redhat:cloudforms
- rubyzip_project:rubyzip
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-vqcq-mrmw-mcmg | RubyGems | rubyzip | <1.2.2 | 1.2.2 |