caddyserver/caddy · Security
Caddy vulnerable to Authentication Bypass due to mishandling of TLS client authentication
- GHSA ID
- GHSA-gr7w-x2jp-3xgw
- CVE ID
- CVE-2018-21246
- Severity
- critical
- Published
- Updated
- CVSS
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Caddy before 0.10.13 mishandles TLS client authentication, as demonstrated by an authentication bypass caused by the lack of the StrictHostMatching mode.
CWEs
- CWE-287 · Improper Authentication
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-21246 ↗
- https://github.com/caddyserver/caddy/commit/4d9ee000c8d2cbcdd8284007c1e0f2da7bc3c7c3 ↗
- https://bugs.gentoo.org/715214 ↗
- https://github.com/caddyserver/caddy/releases/tag/v0.10.13 ↗
- https://github.com/caddyserver/caddy/pull/2099 ↗
- https://pkg.go.dev/vuln/GO-2020-0043 ↗
- https://github.com/advisories/GHSA-gr7w-x2jp-3xgw ↗