FKIE_CVE-2022-40617

Vulnerability from fkie_nvd - Published: 2022-10-31 06:15 - Updated: 2025-05-06 19:15
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
strongSwan before 5.9.8 allows remote attackers to cause a denial of service in the revocation plugin by sending a crafted end-entity (and intermediate CA) certificate that contains a CRL/OCSP URL that points to a server (under the attacker's control) that doesn't properly respond but (for example) just does nothing after the initial TCP handshake, or sends an excessive amount of application data.
References
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3GAYIOCSLU57C45CO4UE4IV4JZE4W3L/
cve@mitre.orghttps://www.strongswan.org/blog/2022/10/03/strongswan-vulnerability-%28cve-2022-40617%29.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3GAYIOCSLU57C45CO4UE4IV4JZE4W3L/
af854a3a-2127-422b-91ae-364da2661108https://www.strongswan.org/blog/2022/10/03/strongswan-vulnerability-%28cve-2022-40617%29.html
Impacted products
Vendor Product Version
strongswan strongswan *
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 20.04
canonical ubuntu_linux 22.04
debian debian_linux 10.0
debian debian_linux 11.0
fedoraproject fedora 37
stormshield stormshield_network_security *
stormshield stormshield_network_security *
stormshield stormshield_network_security *
To clipboard 

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      "value": "strongSwan before 5.9.8 allows remote attackers to cause a denial of service in the revocation plugin by sending a crafted end-entity (and intermediate CA) certificate that contains a CRL/OCSP URL that points to a server (under the attacker\u0027s control) that doesn\u0027t properly respond but (for example) just does nothing after the initial TCP handshake, or sends an excessive amount of application data."
    },
    {
      "lang": "es",
      "value": "strongSwan anterior a 5.9.8 permite a atacantes remotos provocar una Denegaci\u00f3n de Servicio en el complemento de revocaci\u00f3n enviando un certificado de entidad final (y CA intermedia) manipulado que contiene una URL CRL/OCSP que apunta a un servidor (bajo el control del atacante) que no responde adecuadamente pero (por ejemplo) simplemente no hace nada despu\u00e9s del protocolo de enlace TCP inicial o env\u00eda una cantidad excesiva de datos de la aplicaci\u00f3n.\n"
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  "id": "CVE-2022-40617",
  "lastModified": "2025-05-06T19:15:56.827",
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          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
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          "availabilityImpact": "HIGH",
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  "published": "2022-10-31T06:15:09.887",
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      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3GAYIOCSLU57C45CO4UE4IV4JZE4W3L/"
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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Detection rules are retrieved from Rulezet.