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CVE-2023-28097

Estado: ModificadaAlta (7.5)—

OpenSIPS es una implementación de servidor del protocolo de inicio de sesión (SIP, Session Initiation Protocol). Antes de las versiones 3.1.9 y 3.2.6, un mensaje SIP malformado que contiene un valor grande en _Content-Length_ y un Request-URI especialmente diseñado provoca un fallo de segmentación en OpenSIPS. Este problema se produce cuando se asigna a OpenSIPS una gran cantidad de memoria compartida mediante el indicador `-m`, por ejemplo 10 GB de RAM. En el sistema de prueba, este problema se produjo cuando la memoria compartida se configuró en `2362` o superior. Este problema está corregido en las versiones 3.1.9 y 3.2.6. La única solución alternativa consiste en garantizar que el valor de Content-Length de los mensajes de entrada nunca sea mayor que `2147483647`.

Traducción automática del texto original de NVD (en inglés).

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Opensips — Opensips

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-28097",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-28097",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-02-25T14:30:41.433847Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "OpenSIPS",
          "product": "opensips",
          "versions": [
            {
              "status": "affected",
              "version": "< 3.1.9"
            },
            {
              "status": "affected",
              "version": ">= 3.2.0, < 3.2.6"
            }
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  "published": "2023-03-15T23:15:09.627",
  "references": [
    {
      "url": "https://github.com/OpenSIPS/opensips/commit/7cab422e2fc648f910abba34f3f0dbb3ae171ff5",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/OpenSIPS/opensips/security/advisories/GHSA-c6j5-f4h4-2xrq",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://opensips.org/pub/audit-2022/opensips-audit-technical-report-full.pdf",
      "tags": [
        "Vendor Advisory"
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      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/OpenSIPS/opensips/commit/7cab422e2fc648f910abba34f3f0dbb3ae171ff5",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/OpenSIPS/opensips/security/advisories/GHSA-c6j5-f4h4-2xrq",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://opensips.org/pub/audit-2022/opensips-audit-technical-report-full.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Prior to versions 3.1.9 and 3.2.6, a malformed SIP message containing a large _Content-Length_ value and a specially crafted Request-URI causes a segmentation fault in OpenSIPS. This issue occurs when a large amount of shared memory using the `-m` flag was allocated to OpenSIPS, such as 10 GB of RAM. On the test system, this issue occurred when shared memory was set to `2362` or higher. This issue is fixed in versions 3.1.9 and 3.2.6. The only workaround is to guarantee that the Content-Length value of input messages is never larger than `2147483647`."
    }
  ],
  "lastModified": "2026-06-17T05:46:51.853",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:opensips:opensips:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F318FB66-A6E9-4A16-996B-DD76A8C64A6E",
              "versionEndExcluding": "3.1.9"
            },
            {
              "criteria": "cpe:2.3:a:opensips:opensips:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3C466525-94B6-4196-9CEA-CD72452FE22D",
              "versionEndExcluding": "3.2.6",
              "versionStartIncluding": "3.2.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}