fkie_cve-2025-8556
Vulnerability from fkie_nvd
Published
2025-08-06 09:15
Modified
2025-08-06 20:23
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange.
References
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2025-8556
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2371624
secalert@redhat.comhttps://github.com/cloudflare/circl
secalert@redhat.comhttps://github.com/cloudflare/circl/security/advisories/GHSA-2x5j-vhc8-9cwm
secalert@redhat.comhttps://github.com/cloudflare/circl/tree/v1.6.1
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in CIRCL\u0027s implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 una falla en la implementaci\u00f3n de la curva el\u00edptica FourQ de CIRCL. Esta vulnerabilidad permite a un atacante comprometer la seguridad de la sesi\u00f3n mediante la inyecci\u00f3n de puntos de orden inferior y una validaci\u00f3n incorrecta de puntos durante el intercambio de claves Diffie-Hellman."
    }
  ],
  "id": "CVE-2025-8556",
  "lastModified": "2025-08-06T20:23:37.600",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4,
        "source": "secalert@redhat.com",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-08-06T09:15:28.173",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/security/cve/CVE-2025-8556"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2371624"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://github.com/cloudflare/circl"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://github.com/cloudflare/circl/security/advisories/GHSA-2x5j-vhc8-9cwm"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://github.com/cloudflare/circl/tree/v1.6.1"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Primary"
    }
  ]
}


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