SARA / Free Tools / CVE / CVE-2023-27530

CVE-2023-27530 — A DoS vulnerability exists in Rack <v3

A DoS vulnerability exists in Rack <v3.0.4.2, <v2.2.6.3, <v2.1.4.3 and <v2.0.9.3 within in the Multipart MIME parsing code in which could allow an attacker to craft requests that can be abuse to cause multipart parsing to take longer than expected.

CVSS
— —
EPSS
2.00% (top 16.50%)
CWE
CWE-400
Published
2023-03-10T00:00:00.000Z
Last modified
2024-10-15T18:33:52.509Z
CVSS vector
—

01What is this vulnerability?

A DoS vulnerability exists in Rack <v3.0.4.2, <v2.2.6.3, <v2.1.4.3 and <v2.0.9.3 within in the Multipart MIME parsing code in which could allow an attacker to craft requests that can be abuse to cause multipart parsing to take longer than expected.

02Affected products

VendorProductVersions
na / https://github.com/rack/rack3.0.4.2, 2.2.6.3, 2.1.4.3, 2.0.9.3

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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