Information disclosure in Rubyonrails Rails
CVE-2018-16477
A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the `content-disposition` and `content-type` parameters which can be used in with HTML files and have them executed inline. Additionally, if combined with other techniques such as cookie bombing and specially crafted AppCache manifests, an attacker can gain access to private signed URLs within a specific storage path. This vulnerability has been fixed in version 5.2.1.1.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.013 (69.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Rubyonrails Rails
- Https://github.com/rails/rails — versions 5.2.0 and later and before 5.2.1.1
Weakness classification (CWE)
References
- groups.google.com/d/msg/rubyonrails-security/3KQRnXDIuLg/mByx5KkqBAAJ (Exploit, Mailing List, Third Party Advisory, Mitigation)
- weblog.rubyonrails.org/2018/11/27/Rails-4-2-5-0-5-1-5-2-have-been-released/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-16477?
- CVE-2018-16477 is a medium-severity vulnerability in Rubyonrails Rails, classified under Information Disclosure. CVSS score: 6.5/10. Published 2018-11-30.
- How severe is CVE-2018-16477?
- Medium severity. CVSS v3 base score is 6.5 out of 10.