CVE-2023-45143
Title: Nodejs Undici Information Disclosure
Proof Of Concept
No public PoC currently indexed for CVE-2023-45143.
Vulnerability Summary
CVE-2023-45143: 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.
Impacted Vendors
Reference Links
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
CVE-2023-45143 Exploits & PoCs (Proof Of Concept)
No public PoCs found in our database for this CVE.
Vulnerability data or affected products updated.
Vulnerability first announced in NVD.
Attack Vector Matrix
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L
Affected Stack
No specific products linked.