Routes exposed with an empty TLSOption in traefik
CVE-2022-46153

8.1HIGH

Key Information:

Vendor

Traefik

Status
Traefik
Vendor
CVE Published:
8 December 2022

What is CVE-2022-46153?

Traefik is an open source HTTP reverse proxy and load balancer. In affected versions there is a potential vulnerability in Traefik managing TLS connections. A router configured with a not well-formatted TLSOption is exposed with an empty TLSOption. For instance, a route secured using an mTLS connection set with a wrong CA file is exposed without verifying the client certificates. Users are advised to upgrade to version 2.9.6. Users unable to upgrade should check their logs to detect the error messages and fix your TLS options.

Affected Version(s)

traefik < 2.9.6

References

https://github.com/traefik/traefik/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/traefik/traefik/commit/7e3fe48b80083b4...
x_refsource_MISC
https://doc.traefik.io/traefik/v2.9/https/tls/#tls-options
x_refsource_MISC

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2022-46153 : Routes exposed with an empty TLSOption in traefik