CVE-2022-44570

Description

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.

CVSS Metrics

• v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 3.12%• Percentile: 87%

Techniques & Countermeasures

• CWE-1333•Inefficient Regular Expression Complexity

  The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

• CWE-400•Uncontrolled Resource Consumption

  The product does not properly control the allocation and maintenance of a limited resource.

Affected Systems

• rack•rack

  ≥ 1.5.0, < 2.0.9.2 | ≥ 2.1.0, < 2.1.4.2 | ≥ 2.2.0, < 2.2.6.1 | ≥ 3.0.0, < 3.0.4.1

References (3)

• https://discuss.rubyonrails.org/t/cve-2022-44570-possible-denial-of-service-vulnerability-in-racks-range-header-parsing/82125
• https://www.debian.org/security/2023/dsa-5530
• https://security.netapp.com/advisory/ntap-20231208-0010/