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CVE-2012-4545

Estado: ModificadaMedia (5.1)—

La función http_negotiate_create_context en protocol/http/http_negotiate.c en ELinks v0,12 antes de 0.12pre6, cuando se utiliza la autenticación HTTP Negotiate or GSS-Negotiate, delega las credenciales de usuario a través de GSSAPI, lo que permite a los servidores remotos para autenticar el cliente a través de las credenciales delegadas.

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)

Elinks — Elinks

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2012-4545",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.1,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "HIGH",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2013-01-03T01:55:02.763",
  "references": [
    {
      "url": "http://bugzilla.elinks.cz/show_bug.cgi?id=1124",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://repo.or.cz/w/elinks.git/blobdiff/89056e21fc7ab8e1c2d4e06ec9d0c6d01e70669a..da18694ff7dd0b67dfcb3c417fb0579b1e7d02d7:/src/protocol/http/http_negotiate.c",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2013-0250.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/51569",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.debian.org/security/2012/dsa-2592",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:075",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/57065",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80882",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://bugzilla.elinks.cz/show_bug.cgi?id=1124",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://repo.or.cz/w/elinks.git/blobdiff/89056e21fc7ab8e1c2d4e06ec9d0c6d01e70669a..da18694ff7dd0b67dfcb3c417fb0579b1e7d02d7:/src/protocol/http/http_negotiate.c",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2013-0250.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/51569",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2012/dsa-2592",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:075",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/57065",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80882",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The http_negotiate_create_context function in protocol/http/http_negotiate.c in ELinks 0.12 before 0.12pre6, when using HTTP Negotiate or GSS-Negotiate authentication, delegates user credentials through GSSAPI, which allows remote servers to authenticate as the client via the delegated credentials."
    },
    {
      "lang": "es",
      "value": "La función http_negotiate_create_context en protocol/http/http_negotiate.c en ELinks v0,12 antes de 0.12pre6, cuando se utiliza la autenticación HTTP Negotiate or GSS-Negotiate, delega las credenciales de usuario a través de GSSAPI, lo que permite a los servidores remotos para autenticar el cliente a través de las credenciales delegadas."
    }
  ],
  "lastModified": "2026-06-16T23:45:18.267",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:elinks:elinks:0.12:pre1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5F409304-09F1-4DE8-BF1D-C2A7607B005B"
            },
            {
              "criteria": "cpe:2.3:a:elinks:elinks:0.12:pre2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DA603E7D-7826-43FF-8A73-E138AEB88559"
            },
            {
              "criteria": "cpe:2.3:a:elinks:elinks:0.12:pre3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "412590ED-193A-45D8-B4E5-9157C0EF7D86"
            },
            {
              "criteria": "cpe:2.3:a:elinks:elinks:0.12:pre4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "528C4ADC-6818-49F2-960D-79E0AC6A6757"
            },
            {
              "criteria": "cpe:2.3:a:elinks:elinks:0.12:pre5:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7097F9FF-A321-4D18-A382-B98033733023"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}