Resource exhaustion in Rack
CVE-2022-44571
There is a denial of service vulnerability in the Content-Disposition parsingcomponent of Rack fixed in 2.0.9.2, 2.1.4.2, 2.2.4.1, 3.0.0.1. This could allow an attacker to craft an input that can cause Content-Disposition header parsing in Rackto take an unexpected amount of time, possibly resulting in a denial ofservice attack vector. This header is used typically used in multipartparsing. Any applications that parse multipart posts using Rack (virtuallyall Rails applications) are 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: 0.015 (73.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Rack
- Https://github.com/rack/rack — versions 2.0.9.2, 2.1.4.2, 2.2.4.1, 3.0.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- discuss.rubyonrails.org/t/cve-2022-44571-possible-denial-of-service-vulnerabili… (Patch, Vendor Advisory)
- www.debian.org/security/2023/dsa-5530 (vendor-advisory)
- security.netapp.com/advisory/ntap-20231208-0013/
Frequently asked questions
- What is CVE-2022-44571?
- CVE-2022-44571 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-2022-44571?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-44571 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.