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CVE-2022-45442

8.8 · HIGH

Sinatra is a domain-specific language for creating web applications in Ruby.

Published Nov 28, 2022CWE-494EPSS 0.69%

Overview

CVE-2022-45442 is a high-severity vulnerability. It was published on November 28, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Sinatra is a domain-specific language for creating web applications in Ruby. An issue was discovered in Sinatra 2.0 before 2.2.3 and 3.0 before 3.0.4. An application is vulnerable to a reflected file download (RFD) attack that sets the Content-Disposition header of a response when the filename is derived from user-supplied input. Version 2.2.3 and 3.0.4 contain patches for this issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/advisories/GHSA-8x94-hmjh-97hqGitHubgithub.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363bGitHubgithub.com/sinatra/sinatra/security/advisories/GHSA-2x8x-jmrp-phxwReflists.debian.org/debian-lts-announce/2023/01/msg00005.htmlRefwww.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdfGitHubgithub.com/advisories/GHSA-8x94-hmjh-97hqGitHubgithub.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363bGitHubgithub.com/sinatra/sinatra/security/advisories/GHSA-2x8x-jmrp-phxwReflists.debian.org/debian-lts-announce/2023/01/msg00005.htmlReflists.debian.org/debian-lts-announce/2024/09/msg00020.html

How CyberStrike helps

Frequently asked questions

What is CVE-2022-45442?

CVE-2022-45442 is a high-severity vulnerability. It was published on November 28, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2022-45442?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-45442?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-45442?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-45442 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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