CVE-2022-31150: Improper Neutralization of CRLF Sequences ('CRLF Injection')

July 19, 2022 (updated October 28, 2022)

undici is an HTTP/1.1 client, written from scratch for Node.js. It is possible to inject CRLF sequences into request headers in undici in versions less than 5.7.1. A fix was released in version 5.8.0. Sanitizing all HTTP headers from untrusted sources to eliminate \r\n is a workaround for this issue.

References

github.com/advisories/GHSA-3cvr-822r-rqcc
github.com/nodejs/undici/commit/a29a151d0140d095742d21a004023d024fe93259
github.com/nodejs/undici/releases/tag/v5.8.0
github.com/nodejs/undici/security/advisories/GHSA-3cvr-822r-rqcc
hackerone.com/reports/409943
nvd.nist.gov/vuln/detail/CVE-2022-31150

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