CGA-8q47-qvfw-p74x

Summary

Traefik vulnerable to denial of service with Content-length header

Description

There is a potential vulnerability in Traefik managing requests with Content-length and no body .

Sending a GET request to any Traefik endpoint with the Content-length request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service.

Patches

• https://github.com/traefik/traefik/releases/tag/v2.11.2
• https://github.com/traefik/traefik/releases/tag/v3.0.0-rc5

Workarounds

For affected versions, this vulnerability can be mitigated by configuring the readTimeout option.

For more information

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