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CVE-2008-2377

Estado: ModificadaAlta (7.6)—

Use-after-free vulnerability in the _gnutls_handshake_hash_buffers_clear function in lib/gnutls_handshake.c in libgnutls in GnuTLS 2.3.5 through 2.4.0 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via TLS transmission of data that is improperly used when the peer calls gnutls_handshake within a normal session, leading to attempted access to a deallocated libgcrypt handle.

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)

GNU — Gnutls

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2008-2377",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2008-08-08T19:41:00.000",
  "references": [
    {
      "url": "http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2947",
      "tags": [
        "Patch"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/31505",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.gnu.org/software/gnutls/security.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.nabble.com/Details-on-the-gnutls_handshake-local-crash-problem--GNUTLS-SA-2008-2--td18205022.html",
      "tags": [
        "Exploit"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/30713",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/2398",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/44486",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://issues.rpath.com/browse/RPL-2650",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2947",
      "tags": [
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    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "http://www.nabble.com/Details-on-the-gnutls_handshake-local-crash-problem--GNUTLS-SA-2008-2--td18205022.html",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.securityfocus.com/bid/30713",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/2398",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/44486",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://issues.rpath.com/browse/RPL-2650",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use-after-free vulnerability in the _gnutls_handshake_hash_buffers_clear function in lib/gnutls_handshake.c in libgnutls in GnuTLS 2.3.5 through 2.4.0 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via TLS transmission of data that is improperly used when the peer calls gnutls_handshake within a normal session, leading to attempted access to a deallocated libgcrypt handle."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de uso después de liberación en la función _gnutls_handshake_hash_buffers_clear de lib/gnutls_handshake.c en libgnutls de GnuTLS 2.3.5 hasta 2.4.0 permite a atacantes remotos provocar una denegación de servicio (caida) o posiblemente ejecutar código de su elección a través de transmisiones TLS de datos que no son usadas apropiadamente cuando las llamadas pares gnutls_handshake dentro de una sesión normal, conducen a intentos de acceso a manejadores libgcrypt no asignados."
    }
  ],
  "lastModified": "2026-06-16T22:53:40.140",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gnu:gnutls:2.3.5:*:*:*:*:*:*:*",
              "vulnerable": true,
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            },
            {
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            },
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            },
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            },
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            },
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            }
          ],
          "operator": "OR"
        }
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  ],
  "vendorComments": [
    {
      "comment": "Not vulnerable. This issue did not affect the versions of gnutls as shipped with Red Hat Enterprise Linux 4, or 5.",
      "lastModified": "2008-08-11T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}