Vulnerability Report: GO-2020-0043
- CVE-2018-21246, GHSA-gr7w-x2jp-3xgw
- Affects: github.com/mholt/caddy
- Published: Apr 14, 2021
- Modified: May 20, 2024
Due to improper TLS verification when serving traffic for multiple SNIs, an attacker may bypass TLS client authentication by indicating an SNI during the TLS handshake that is different from the name in the HTTP Host header.
Affected Packages
-
PathVersionsSymbols
-
before v0.10.13
3 unexported affected symbols
- Server.serveHTTP
- assertConfigsCompatible
- httpContext.MakeServers
Aliases
References
- https://github.com/caddyserver/caddy/pull/2099
- https://github.com/caddyserver/caddy/commit/4d9ee000c8d2cbcdd8284007c1e0f2da7bc3c7c3
- https://bugs.gentoo.org/715214
- https://vuln.go.dev/ID/GO-2020-0043.json
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