FKIE_CVE-2023-38712

Vulnerability from fkie_nvd - Published: 2023-08-25 21:15 - Updated: 2026-06-17 06:11
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.
References
cve@mitre.orghttps://github.com/libreswan/libreswan/tagsThird Party Advisory
cve@mitre.orghttps://libreswan.org/security/CVE-2023-38712/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libreswan/libreswan/tagsThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://libreswan.org/security/CVE-2023-38712/Third Party Advisory
Impacted products
Vendor Product Version
libreswan libreswan *
libreswan libreswan *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8DF49694-9BD7-46A7-851B-F03CB49A9250",
              "versionEndExcluding": "4.0",
              "versionStartIncluding": "3.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8923F14F-CAAA-402E-8549-8250C9CADA4A",
              "versionEndExcluding": "4.12",
              "versionStartIncluding": "4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en Libreswan 3.x y 4.x antes de 4.12. Cuando un paquete IKEv1 ISAKMP SA Informational Exchange contiene una carga \u00fatil Delete/Notify seguida de m\u00e1s Notifies que act\u00faan sobre el ISAKMP SA, como un mensaje Delete/Notify duplicado, una desviaci\u00f3n de puntero NULL en el estado eliminado hace que el demonio pluto se bloquee y se reinicie.\n"
    }
  ],
  "id": "CVE-2023-38712",
  "lastModified": "2026-06-17T06:11:00.420",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-08-25T21:15:08.293",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/libreswan/libreswan/tags"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://libreswan.org/security/CVE-2023-38712/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/libreswan/libreswan/tags"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://libreswan.org/security/CVE-2023-38712/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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