Resource exhaustion in Rack
CVE-2018-16470
There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size.
Vulnerability class: DoS (Denial of Service)
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:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (80.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Rack — versions 2.0.6
- Rack Project — versions 2.0.4, 2.0.5
Weakness classification (CWE)
References
- groups.google.com/forum/
- access.redhat.com/errata/RHSA-2019:3172 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-16470?
- CVE-2018-16470 is a high-severity vulnerability in Rack, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-11-13.
- How severe is CVE-2018-16470?
- High severity. CVSS v3 base score is 7.5 out of 10.