Denial of Service Vulnerability in Rack by Ruby on Rails
CVE-2022-44570

7.5HIGH

Key Information:

Vendor

Rack Project

Status
Https://github.com/rack/rack
Vendor
CVE Published:
9 February 2023

What is CVE-2022-44570?

The Range header parsing component in Rack, affecting versions 1.5.0 and above, is vulnerable to a denial of service attack. Attackers can exploit this vulnerability by sending carefully crafted input, causing the Range header parsing to consume an excessive amount of time, potentially incapacitating the application. This impacts any web application that processes Range requests, such as those involved in file streaming or serving downloadable content.

Affected Version(s)

https://github.com/rack/rack 2.0.9.2, 2.1.4.2, 2.2.4.2, 3.0.0.1

References

https://discuss.rubyonrails.org/t/cve-2022-44570-possible...
https://www.debian.org/security/2023/dsa-5530
vendor-advisory
https://security.netapp.com/advisory/ntap-20231208-0010/

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.