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      <title>CVE-2023-47124 — Denial of service whith ACME HTTPChallenge in Traefik</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2023-47124</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; traefik&lt;/p&gt;
&lt;p&gt;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&amp;#39;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`.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; traefik&lt;/p&gt;
&lt;p&gt;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&amp;#39;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`.&lt;/p&gt;</content:encoded>
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