Path Traversal in Rubyzip Project
CVE-2017-5946
The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses "../" pathname substrings to write arbitrary files to the filesystem.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.034 (88.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000
Affected products
- Rubyzip Project
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/rubyzip/rubyzip/releases (Third Party Advisory)
- www.securityfocus.com/bid/96445 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/rubyzip/rubyzip/issues/315 (Third Party Advisory)
- www.debian.org/security/2017/dsa-3801 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-5946?
- CVE-2017-5946 is a critical-severity vulnerability in Rubyzip Project, classified under Path Traversal. CVSS score: 9.8/10. Published 2017-02-27.
- How severe is CVE-2017-5946?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-5946 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.