Resource exhaustion in Rack
CVE-2022-44570
A denial of service vulnerability in the Range header parsing component of Rack >= 1.5.0. A Carefully crafted input can cause the Range header parsing component in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that deal with Range requests (such as streaming applications, or applications that serve files) may be impacted.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Rack
- Https://github.com/rack/rack — versions 2.0.9.2, 2.1.4.2, 2.2.4.2, 3.0.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- discuss.rubyonrails.org/t/cve-2022-44570-possible-denial-of-service-vulnerabili… (Patch, Vendor Advisory)
- www.debian.org/security/2023/dsa-5530 (vendor-advisory)
- security.netapp.com/advisory/ntap-20231208-0010/
Frequently asked questions
- What is CVE-2022-44570?
- CVE-2022-44570 is a high-severity vulnerability in Rack, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-02-09.
- How severe is CVE-2022-44570?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-44570 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.