Vulnerability Report: GO-2021-0241
- CVE-2021-33197
- Affects: net/http/httputil
- Published: Feb 17, 2022
- Modified: Jun 12, 2023
ReverseProxy can be made to forward certain hop-by-hop headers, including Connection. If the target of the ReverseProxy is itself a reverse proxy, this lets an attacker drop arbitrary headers, including those set by the ReverseProxy.Director.
Affected Packages
-
PathVersionsSymbols
-
before go1.15.13, from go1.16.0-0 before go1.16.5
Aliases
References
- https://go.dev/cl/321929
- https://go.googlesource.com/go/+/950fa11c4cb01a145bb07eeb167d90a1846061b3
- https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI
- https://go.dev/issue/46313
- https://vuln.go.dev/ID/GO-2021-0241.json
Credits
- Mattias Grenfeldt (https://grenfeldt.dev)Asta Olofsson
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