Missing Release of Resource after Effective Lifetime Affecting traefik package, versions <2.10.6-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.23% (62nd percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-TRAEFIK-6099044
  • published5 Dec 2023
  • disclosed4 Dec 2023

Introduced: 4 Dec 2023

CVE-2023-47124  (opens in a new tab)
CWE-772  (opens in a new tab)

How to fix?

Upgrade Chainguard traefik to version 2.10.6-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream traefik package and not the traefik package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Traefik is an open source HTTP reverse proxy and load balancer. When Traefik is configured to use the HTTPChallenge to generate and renew the Let's Encrypt TLS certificates, the delay authorized to solve the challenge (50 seconds) can be exploited by attackers to achieve a slowloris attack. This vulnerability has been patch in version 2.10.6 and 3.0.0-beta5. Users are advised to upgrade. Users unable to upgrade should replace the HTTPChallenge with the TLSChallenge or the DNSChallenge.

CVSS Scores

version 3.1