CVE-2018-16477: rubyonrails rails
Vulnerability summary
CVE-2018-16477 is a medium (CVSS 6.5) vulnerability in rubyonrails rails. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70.2% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 30-11-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- OSV · RubygemsEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS trend
Probability
1.31%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.31% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (groups.google.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- rails< 2:5.2.2+dfsg-1
RubyGems1 product
- activestorage≥ 5.2.0, < 5.2.1.1
Rubyonrails1 product
- rails≥ 5.2.0, < 5.2.1.1
3 vendors · 3 products
References
6 links- groups.google.com/d/msg/rubyonrails-security/3KQRnXDIuLg/mByx5KkqBAAJX Refsource MISCExploitMailing ListMitigationThird Party AdvisoryWEB
- weblog.rubyonrails.org/2018/11/27/Rails-4-2-5-0-5-1-5-2-have-been-released/X Refsource MISCVendor Advisory
