SARA / Free Tools / CVE / CVE-2022-44570

CVE-2022-44570 — A denial of service vulnerability in the Range header parsing component of Rack

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 applicati

CVSS
— —
EPSS
3.63% (top 12.30%)
CWE
CWE-400
Published
2023-02-09T00:00:00.000Z
Last modified
2024-08-03T13:54:03.858Z
CVSS vector
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01What is this vulnerability?

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.

02Affected products

VendorProductVersions
na / https://github.com/rack/rack2.0.9.2, 2.1.4.2, 2.2.4.2, 3.0.0.1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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