CVE-2012-5371

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{}

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"matchCriteriaId": "94F5AA37-B466-4E2E-B217-5119BADDD87B", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.3:p125:*:*:*:*:*:*", "matchCriteriaId": "6DF0F0F5-4022-4837-9B40-4B1127732CC9", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.3:p194:*:*:*:*:*:*", "matchCriteriaId": "B3848B08-85C2-4AAD-AA33-CCEB80EF5B32", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:2.0:*:*:*:*:*:*:*", "matchCriteriaId": "90E0471D-1323-4E67-B66C-DEBF3BBAEEAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Ruby (aka CRuby) 1.9 before 1.9.3-p327 and 2.0 before r37575 computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack against a variant of the MurmurHash2 algorithm, a different vulnerability than CVE-2011-4815."}, {"lang": "es", "value": "Ruby (tambi\u00e9n conocido como CRuby) v1.9 anteriores a v1.9.3-p327 y v2.0 anteriores a r37575 calcula los valores de hash sin restringir la posibilidad de provocar colisiones hash previsibles, lo que permite a atacantes dependientes de contexto provocar una denegaci\u00f3n de servicio (consumo de CPU) a trav\u00e9s de la manipulaci\u00f3n de una entrada para la aplicaci\u00f3n que mantiene la tabla de valores hash, como lo demuestra un ataque universal multicolision contra una variante del algoritmo MurmurHash2, una vulnerabilidad diferente a CVE-2011-4815."}], "id": "CVE-2012-5371", "lastModified": "2026-06-16T23:46:44.907", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-11-28T13:03:10.153", "references": [{"source": "cve@mitre.org", "url": "http://2012.appsec-forum.ch/conferences/#c17"}, {"source": "cve@mitre.org", "url": "http://asfws12.files.wordpress.com/2012/11/asfws2012-jean_philippe_aumasson-martin_bosslet-hash_flooding_dos_reloaded.pdf"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/51253"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://securitytracker.com/id?1027747"}, {"source": "cve@mitre.org", "url": "http://www.ocert.org/advisories/ocert-2012-001.html"}, {"source": "cve@mitre.org", "url": "http://www.osvdb.org/87280"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor 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"cpe:/a:redhat:openshift:1::el6", "package": "rubygem-actionpack-1:3.0.13-4.el6op", "product_name": "RHEL 6 Version of OpenShift Enterprise", "release_date": "2013-02-28T00:00:00Z"}, {"advisory": "RHSA-2013:0582", "cpe": "cpe:/a:redhat:openshift:1::el6", "package": "rubygem-activemodel-0:3.0.13-3.el6op", "product_name": "RHEL 6 Version of OpenShift Enterprise", "release_date": "2013-02-28T00:00:00Z"}, {"advisory": "RHSA-2013:0582", "cpe": "cpe:/a:redhat:openshift:1::el6", "package": "rubygem-activerecord-1:3.0.13-5.el6op", "product_name": "RHEL 6 Version of OpenShift Enterprise", "release_date": "2013-02-28T00:00:00Z"}, {"advisory": "RHSA-2013:0582", "cpe": "cpe:/a:redhat:openshift:1::el6", "package": "rubygem-bson-0:1.8.1-2.el6op", "product_name": "RHEL 6 Version of OpenShift Enterprise", "release_date": "2013-02-28T00:00:00Z"}, {"advisory": "RHSA-2013:0582", "cpe": "cpe:/a:redhat:openshift:1::el6", "package": "rubygem-mongo-0:1.8.1-2.el6op", "product_name": "RHEL 6 Version of OpenShift Enterprise", "release_date": "2013-02-28T00:00:00Z"}, {"advisory": "RHSA-2013:0582", "cpe": "cpe:/a:redhat:openshift:1::el6", "package": "rubygem-openshift-origin-auth-remote-user-0:1.0.5-1.el6op", "product_name": "RHEL 6 Version of OpenShift Enterprise", "release_date": "2013-02-28T00:00:00Z"}, {"advisory": "RHSA-2013:0582", "cpe": "cpe:/a:redhat:openshift:1::el6", "package": "rubygem-openshift-origin-console-0:1.0.10-1.el6op", "product_name": "RHEL 6 Version of OpenShift Enterprise", "release_date": "2013-02-28T00:00:00Z"}, {"advisory": "RHSA-2013:0582", "cpe": "cpe:/a:redhat:openshift:1::el6", "package": "rubygem-openshift-origin-controller-0:1.0.12-1.el6op", "product_name": "RHEL 6 Version of OpenShift Enterprise", "release_date": "2013-02-28T00:00:00Z"}, {"advisory": "RHSA-2013:0582", "cpe": "cpe:/a:redhat:openshift:1::el6", "package": "rubygem-openshift-origin-node-0:1.0.11-1.el6op", "product_name": "RHEL 6 Version of OpenShift Enterprise", "release_date": "2013-02-28T00:00:00Z"}, {"advisory": "RHSA-2013:0582", "cpe": "cpe:/a:redhat:openshift:1::el6", "package": "rubygem-ruby_parser-0:2.0.4-6.el6op", "product_name": "RHEL 6 Version of OpenShift Enterprise", "release_date": "2013-02-28T00:00:00Z"}], "bugzilla": {"description": "ruby: Murmur hash-flooding DoS flaw in ruby 1.9 (oCERT-2012-001)", "id": "875236", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=875236"}, "csaw": false, "cvss": {"cvss_base_score": "5.0", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "status": "verified"}, "details": ["Ruby (aka CRuby) 1.9 before 1.9.3-p327 and 2.0 before r37575 computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack against a variant of the MurmurHash2 algorithm, a different vulnerability than CVE-2011-4815."], "name": "CVE-2012-5371", "public_date": "2012-11-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-5371\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-5371"], "statement": "Not vulnerable. This issue did not affect the versions of ruby as shipped with Red Hat Enterprise Linux 5 and 6.", "threat_severity": "Moderate"}

{}