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CVE-2012-4929

Estado: ModificadaBaja (2.6)—💥 PoC

El protocolo TLS 1.2 y versiones anteriores, como el usado en Mozilla Firefox, Google Chrome, y otros productos, puede hacer cifrados TLS de datos comprimidos sin ofuscar de forma adecuada la longitud de los datos no cifrado, lo que permte a atacantes man-in-the-middle obtener cabeceras HTTP en texto plano observando las diferencias de longitud durante una serie de previsiones en la cual una cadena en una petición HTTP potencialmente coincide con una cadena desconocida en una cabecera HTPP, también conocido como ataque "CRIME".

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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.

Tecnologías afectadas (3)

Debian — Debian LinuxGoogle — ChromeMozilla — Firefox

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2012-4929",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2012-09-15T18:55:03.187",
  "references": [
    {
      "url": "http://arstechnica.com/security/2012/09/crime-hijacks-https-sessions/",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://code.google.com/p/chromium/issues/detail?id=139744",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://isecpartners.com/blog/2012/9/14/details-on-the-crime-attack.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://jvn.jp/en/jp/JVN65273415/index.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000129.html",
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      "url": "http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html",
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      "url": "http://marc.info/?l=bugtraq&m=136612293908376&w=2",
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    {
      "url": "http://news.ycombinator.com/item?id=4510829",
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      "url": "http://rhn.redhat.com/errata/RHSA-2013-0587.html",
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    {
      "url": "http://security.stackexchange.com/questions/19911/crime-how-to-beat-the-beast-successor",
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    {
      "url": "http://support.apple.com/kb/HT5784",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://threatpost.com/en_us/blogs/crime-attack-uses-compression-ratio-tls-requests-side-channel-hijack-secure-sessions-091312",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://threatpost.com/en_us/blogs/new-attack-uses-ssltls-information-leak-hijack-https-sessions-090512",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2012/dsa-2579",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2013/dsa-2627",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2015/dsa-3253",
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    },
    {
      "url": "http://www.ekoparty.org/2012/thai-duong.php",
      "source": "cve@mitre.org"
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    {
      "url": "http://www.iacr.org/cryptodb/data/paper.php?pubkey=3091",
      "source": "cve@mitre.org"
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    {
      "url": "http://www.securityfocus.com/bid/55704",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.theregister.co.uk/2012/09/14/crime_tls_attack/",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1627-1",
      "source": "cve@mitre.org"
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    {
      "url": "http://www.ubuntu.com/usn/USN-1628-1",
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    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1898-1",
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    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=857051",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://chromiumcodereview.appspot.com/10825183",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://community.qualys.com/blogs/securitylabs/2012/09/14/crime-information-leakage-attack-against-ssltls",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://gist.github.com/3696912",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/mpgn/CRIME-poc",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18920",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://threatpost.com/en_us/blogs/demo-crime-tls-attack-091212",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://arstechnica.com/security/2012/09/crime-hijacks-https-sessions/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://code.google.com/p/chromium/issues/detail?id=139744",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://isecpartners.com/blog/2012/9/14/details-on-the-crime-attack.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://jvn.jp/en/jp/JVN65273415/index.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000129.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html",
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    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101366.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://lists.opensuse.org/opensuse-updates/2013-01/msg00034.html",
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://news.ycombinator.com/item?id=4510829",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://rhn.redhat.com/errata/RHSA-2013-0587.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://security.stackexchange.com/questions/19911/crime-how-to-beat-the-beast-successor",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.apple.com/kb/HT5784",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://threatpost.com/en_us/blogs/crime-attack-uses-compression-ratio-tls-requests-side-channel-hijack-secure-sessions-091312",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.debian.org/security/2013/dsa-2627",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.debian.org/security/2015/dsa-3253",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.ekoparty.org/2012/thai-duong.php",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.iacr.org/cryptodb/data/paper.php?pubkey=3091",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.securityfocus.com/bid/55704",
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      "url": "http://www.theregister.co.uk/2012/09/14/crime_tls_attack/",
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      "url": "http://www.ubuntu.com/usn/USN-1627-1",
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      "url": "http://www.ubuntu.com/usn/USN-1628-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.ubuntu.com/usn/USN-1898-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=857051",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://chromiumcodereview.appspot.com/10825183",
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    },
    {
      "url": "https://community.qualys.com/blogs/securitylabs/2012/09/14/crime-information-leakage-attack-against-ssltls",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://gist.github.com/3696912",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/mpgn/CRIME-poc",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18920",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://threatpost.com/en_us/blogs/demo-crime-tls-attack-091212",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-310"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The TLS protocol 1.2 and earlier, as used in Mozilla Firefox, Google Chrome, Qt, and other products, can encrypt compressed data without properly obfuscating the length of the unencrypted data, which allows man-in-the-middle attackers to obtain plaintext HTTP headers by observing length differences during a series of guesses in which a string in an HTTP request potentially matches an unknown string in an HTTP header, aka a \"CRIME\" attack."
    },
    {
      "lang": "es",
      "value": "El protocolo TLS 1.2 y versiones anteriores, como el usado en Mozilla Firefox, Google Chrome, y otros productos, puede hacer cifrados TLS de datos comprimidos sin ofuscar de forma adecuada la longitud de los datos no cifrado, lo que permte a atacantes man-in-the-middle obtener cabeceras HTTP en texto plano observando las diferencias de longitud durante una serie de previsiones en la cual una cadena en una petición HTTP potencialmente coincide con una cadena desconocida en una cabecera HTPP, también conocido como ataque \"CRIME\"."
    }
  ],
  "lastModified": "2026-06-16T23:45:55.193",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA"
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
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          "operator": "OR"
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    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "07E9B637-69D8-4E4F-8896-F8F14CC55E03"
            },
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "14E6A30E-7577-4569-9309-53A0AF7FE3AC"
            }
          ],
          "operator": "OR"
        }
      ]
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  "sourceIdentifier": "cve@mitre.org"
}