Deserialization in Rubyonrails Rails
CVE-2018-16476
A Broken Access Control vulnerability in Active Job versions >= 4.2.0 allows an attacker to craft user input which can cause Active Job to deserialize it using GlobalId and give them access to information that they should not have. This vulnerability has been fixed in versions 4.2.11, 5.0.7.1, 5.1.6.1, and 5.2.1.1.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.029 (86.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.029 · change: +0.003
Affected products
- Rubyonrails Rails
- Red Hat Cloudforms — versions 4.6
- Https://github.com/rails/rails — versions 4.2.0 up to and before 4.2.11, 4.2.0 up to and before 5.0.7.1, 4.2.0 up to and before 5.1.6.1
Weakness classification (CWE)
References
- groups.google.com/d/msg/rubyonrails-security/FL4dSdzr2zw/zjKVhF4qBAAJ (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)
- access.redhat.com/errata/RHSA-2019:0600 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16476?
- CVE-2018-16476 is a high-severity vulnerability in Rubyonrails Rails, classified under Improper Access Control. CVSS score: 7.5/10. Published 2018-11-30.
- How severe is CVE-2018-16476?
- High severity. CVSS v3 base score is 7.5 out of 10.