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  5. CVE-2018-21246

CVE-2018-21246: Improper Authentication

October 6, 2022

Caddy before 0.10.13 mishandles TLS client authentication, as demonstrated by an authentication bypass caused by the lack of the StrictHostMatching mode.

References

  • bugs.gentoo.org/715214
  • github.com/advisories/GHSA-gr7w-x2jp-3xgw
  • github.com/caddyserver/caddy/commit/4d9ee000c8d2cbcdd8284007c1e0f2da7bc3c7c3
  • github.com/caddyserver/caddy/releases/tag/v0.10.13
  • nvd.nist.gov/vuln/detail/CVE-2018-21246

Code Behaviors & Features

Detect and mitigate CVE-2018-21246 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 0.10.13

Fixed versions

  • v0.10.13

Solution

Upgrade to version 0.10.13 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-287: Improper Authentication

Source file

go/github.com/caddyserver/caddy/caddyhttp/httpserver/CVE-2018-21246.yml

Spotted a mistake? Edit the file on GitLab.

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