CVE-2023-45143 (GCVE-0-2023-45143)
Vulnerability from cvelistv5
Published
2023-10-12 16:35
Modified
2025-02-13 17:13
Severity ?
3.9 (Low) - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Undici is an HTTP/1.1 client written from scratch for Node.js. Prior to version 5.26.2, Undici already cleared Authorization headers on cross-origin redirects, but did not clear `Cookie` headers. By design, `cookie` headers are forbidden request headers, disallowing them to be set in RequestInit.headers in browser environments. Since undici handles headers more liberally than the spec, there was a disconnect from the assumptions the spec made, and undici's implementation of fetch. As such this may lead to accidental leakage of cookie to a third-party site or a malicious attacker who can control the redirection target (ie. an open redirector) to leak the cookie to the third party site. This was patched in version 5.26.2. There are no known workarounds.
References
Impacted products
Vendor Product Version
nodejs undici Version: < 5.26.2
 Create a notification for this product.
Show details on NVD website

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