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.

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)

EPSS: 0.016 (73.7th percentile) — read the EPSS interpretation.

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.

Affected products

Rack
N/a 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

support@hackerone.com (Patch, Vendor Advisory)
support@hackerone.com (vendor-advisory)
support@hackerone.com

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.