CVE-2012-4929 (GCVE-0-2012-4929)

Vulnerability from cvelistv5 – Published: 2012-09-15 18:00 – Updated: 2024-08-06 20:50
VLAI
Summary
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.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://marc.info/?l=bugtraq&m=136612293908376&w=2 vendor-advisoryx_refsource_HP
http://rhn.redhat.com/errata/RHSA-2013-0587.html vendor-advisoryx_refsource_REDHAT
http://www.debian.org/security/2012/dsa-2579 vendor-advisoryx_refsource_DEBIAN
https://gist.github.com/3696912 x_refsource_MISC
http://www.iacr.org/cryptodb/data/paper.php?pubkey=3091 x_refsource_MISC
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.ubuntu.com/usn/USN-1898-1 vendor-advisoryx_refsource_UBUNTU
https://chromiumcodereview.appspot.com/10825183 x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2012-1… vendor-advisoryx_refsource_SUSE
http://threatpost.com/en_us/blogs/crime-attack-us… x_refsource_MISC
http://www.debian.org/security/2015/dsa-3253 vendor-advisoryx_refsource_DEBIAN
http://isecpartners.com/blog/2012/9/14/details-on… x_refsource_MISC
http://lists.opensuse.org/opensuse-updates/2013-0… vendor-advisoryx_refsource_SUSE
https://community.qualys.com/blogs/securitylabs/2… x_refsource_MISC
https://github.com/mpgn/CRIME-poc x_refsource_MISC
http://news.ycombinator.com/item?id=4510829 x_refsource_MISC
http://support.apple.com/kb/HT5784 x_refsource_CONFIRM
http://www.theregister.co.uk/2012/09/14/crime_tls… x_refsource_MISC
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-0… third-party-advisoryx_refsource_JVNDB
http://www.ubuntu.com/usn/USN-1627-1 vendor-advisoryx_refsource_UBUNTU
http://www.debian.org/security/2013/dsa-2627 vendor-advisoryx_refsource_DEBIAN
http://code.google.com/p/chromium/issues/detail?i… x_refsource_CONFIRM
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://arstechnica.com/security/2012/09/crime-hij… x_refsource_MISC
http://www.securityfocus.com/bid/55704 vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-1628-1 vendor-advisoryx_refsource_UBUNTU
https://threatpost.com/en_us/blogs/demo-crime-tls… x_refsource_MISC
http://threatpost.com/en_us/blogs/new-attack-uses… x_refsource_MISC
http://www.ekoparty.org/2012/thai-duong.php x_refsource_MISC
http://lists.opensuse.org/opensuse-updates/2013-0… vendor-advisoryx_refsource_SUSE
http://security.stackexchange.com/questions/19911… x_refsource_MISC
http://jvn.jp/en/jp/JVN65273415/index.html third-party-advisoryx_refsource_JVN
https://bugzilla.redhat.com/show_bug.cgi?id=857051 x_refsource_CONFIRM
Date Public
2012-09-05 00:00
Show details on NVD website
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        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "07E9B637-69D8-4E4F-8896-F8F14CC55E03",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "14E6A30E-7577-4569-9309-53A0AF7FE3AC",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "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 petici\u00f3n HTTP potencialmente coincide con una cadena desconocida en una cabecera HTPP, tambi\u00e9n conocido como ataque \"CRIME\"."
          }
        ],
        "id": "CVE-2012-4929",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "LOW",
              "cvssData": {
                "accessComplexity": "HIGH",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 2.6,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 4.9,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2012-09-15T18:55:03.187",
        "references": [
          {
            "source": "cve@mitre.org",
            "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"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101366.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://lists.opensuse.org/opensuse-updates/2012-10/msg00096.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://lists.opensuse.org/opensuse-updates/2013-01/msg00034.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://lists.opensuse.org/opensuse-updates/2013-01/msg00048.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://marc.info/?l=bugtraq\u0026m=136612293908376\u0026w=2"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://news.ycombinator.com/item?id=4510829"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://rhn.redhat.com/errata/RHSA-2013-0587.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://security.stackexchange.com/questions/19911/crime-how-to-beat-the-beast-successor"
          },
          {
            "source": "cve@mitre.org",
            "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"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.ekoparty.org/2012/thai-duong.php"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.iacr.org/cryptodb/data/paper.php?pubkey=3091"
          },
          {
            "source": "cve@mitre.org",
            "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",
            "url": "http://www.ubuntu.com/usn/USN-1628-1"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.ubuntu.com/usn/USN-1898-1"
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          {
            "source": "cve@mitre.org",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=857051"
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          {
            "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": "af854a3a-2127-422b-91ae-364da2661108",
            "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",
            "url": "http://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000129.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101366.html"
          },
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            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://marc.info/?l=bugtraq\u0026m=136612293908376\u0026w=2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://news.ycombinator.com/item?id=4510829"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "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",
            "url": "http://www.debian.org/security/2012/dsa-2579"
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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2013/dsa-2627"
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=857051"
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://community.qualys.com/blogs/securitylabs/2012/09/14/crime-information-leakage-attack-against-ssltls"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          },
          {
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            "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"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-310"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T22:05:56+00:00",
      "cve": "CVE-2012-4929",
      "id": "CVE-2012-4929",
      "initial_release_date": "2012-09-13T00:00:00+00:00",
      "product_status:fixed": "107",
      "product_status:known_affected": "9",
      "product_status:known_not_affected": "13",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "SSL/TLS CRIME attack against HTTPS",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-4929.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T12:55:14Z",
      "cve": "CVE-2012-4929",
      "id": "CVE-2012-4929",
      "initial_release_date": "2023-02-15T05:44:23Z",
      "product_status:known_not_affected": "288",
      "product_status:recommended": "1182",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2012-4929",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-4929.json",
      "version": "34"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.