{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-12-28T00:00:00", "descriptions": [{"lang": "en", "value": "Ruby (aka CRuby) before 1.8.7-p357 computes hash values without 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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-08-28T12:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "47405", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/47405"}, {"name": "1026474", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id?1026474"}, {"tags": ["x_refsource_MISC"], "url": "http://www.nruns.com/_downloads/advisory28122011.pdf"}, {"name": "47822", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/47822"}, {"name": "RHSA-2012:0070", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2012-0070.html"}, {"name": "JVN#90615481", "tags": ["third-party-advisory", "x_refsource_JVN"], "url": "http://jvn.jp/en/jp/JVN90615481/index.html"}, {"name": "ruby-hash-dos(72020)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/72020"}, {"name": "VU#903934", "tags": ["third-party-advisory", "x_refsource_CERT-VN"], "url": "http://www.kb.cert.org/vuls/id/903934"}, {"name": "[ruby-talk] 20111228 [ANN] ruby 1.8.7 patchlevel 357 released", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/391606"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-found-for-rubys-hash-algorithm/"}, {"name": "20111228 n.runs-SA-2011.004 - web programming languages and platforms - DoS through hash table", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html"}, {"name": "RHSA-2012:0069", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2012-0069.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://support.apple.com/kb/HT5281"}, {"name": "APPLE-SA-2012-05-09-1", "tags": ["vendor-advisory", "x_refsource_APPLE"], "url": "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html"}, {"name": "JVNDB-2012-000066", "tags": ["third-party-advisory", "x_refsource_JVNDB"], "url": "http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html"}, {"tags": ["x_refsource_MISC"], "url": "http://www.ocert.org/advisories/ocert-2011-003.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2011-4815", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Ruby (aka CRuby) before 1.8.7-p357 computes hash values without 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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "47405", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/47405"}, {"name": "1026474", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id?1026474"}, {"name": "http://www.nruns.com/_downloads/advisory28122011.pdf", "refsource": "MISC", "url": "http://www.nruns.com/_downloads/advisory28122011.pdf"}, {"name": "47822", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/47822"}, {"name": "RHSA-2012:0070", "refsource": "REDHAT", "url": "http://rhn.redhat.com/errata/RHSA-2012-0070.html"}, {"name": "JVN#90615481", "refsource": "JVN", "url": "http://jvn.jp/en/jp/JVN90615481/index.html"}, {"name": "ruby-hash-dos(72020)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/72020"}, {"name": "VU#903934", "refsource": "CERT-VN", "url": "http://www.kb.cert.org/vuls/id/903934"}, {"name": "[ruby-talk] 20111228 [ANN] ruby 1.8.7 patchlevel 357 released", "refsource": "MLIST", "url": "http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/391606"}, {"name": "http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-found-for-rubys-hash-algorithm/", "refsource": "CONFIRM", "url": "http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-found-for-rubys-hash-algorithm/"}, {"name": "20111228 n.runs-SA-2011.004 - web programming languages and platforms - DoS through hash table", "refsource": "BUGTRAQ", "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html"}, {"name": "RHSA-2012:0069", "refsource": "REDHAT", "url": "http://rhn.redhat.com/errata/RHSA-2012-0069.html"}, {"name": "http://support.apple.com/kb/HT5281", "refsource": "CONFIRM", "url": "http://support.apple.com/kb/HT5281"}, {"name": "APPLE-SA-2012-05-09-1", "refsource": "APPLE", "url": "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html"}, {"name": "JVNDB-2012-000066", "refsource": "JVNDB", "url": "http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html"}, {"name": "http://www.ocert.org/advisories/ocert-2011-003.html", "refsource": "MISC", "url": "http://www.ocert.org/advisories/ocert-2011-003.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T00:16:35.050Z"}, "title": "CVE Program Container", "references": [{"name": "47405", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/47405"}, {"name": "1026474", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id?1026474"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.nruns.com/_downloads/advisory28122011.pdf"}, {"name": "47822", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/47822"}, {"name": "RHSA-2012:0070", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2012-0070.html"}, {"name": "JVN#90615481", "tags": ["third-party-advisory", "x_refsource_JVN", "x_transferred"], "url": "http://jvn.jp/en/jp/JVN90615481/index.html"}, {"name": "ruby-hash-dos(72020)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/72020"}, {"name": "VU#903934", "tags": ["third-party-advisory", "x_refsource_CERT-VN", "x_transferred"], "url": "http://www.kb.cert.org/vuls/id/903934"}, {"name": "[ruby-talk] 20111228 [ANN] ruby 1.8.7 patchlevel 357 released", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/391606"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-found-for-rubys-hash-algorithm/"}, {"name": "20111228 n.runs-SA-2011.004 - web programming languages and platforms - DoS through hash table", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html"}, {"name": "RHSA-2012:0069", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2012-0069.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://support.apple.com/kb/HT5281"}, {"name": "APPLE-SA-2012-05-09-1", "tags": ["vendor-advisory", "x_refsource_APPLE", "x_transferred"], "url": "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html"}, {"name": "JVNDB-2012-000066", "tags": ["third-party-advisory", "x_refsource_JVNDB", "x_transferred"], "url": "http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.ocert.org/advisories/ocert-2011-003.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2011-4815", "datePublished": "2011-12-30T01:00:00", "dateReserved": "2011-12-14T00:00:00", "dateUpdated": "2024-08-07T00:16:35.050Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "matchCriteriaId": "CF503FC0-3CC4-48BC-89EF-F7DEBF4E2F85", "versionEndIncluding": "1.8.7-p352", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7-p299:*:*:*:*:*:*:*", "matchCriteriaId": "F3F5F64A-855A-41D1-9F89-EE93D0F44D70", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7-p302:*:*:*:*:*:*:*", "matchCriteriaId": "27CC5244-6F8F-4D05-8301-7467A44B962F", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7-p330:*:*:*:*:*:*:*", "matchCriteriaId": "D17613F3-63F8-4809-84D1-7CAC943C7B1E", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7-p334:*:*:*:*:*:*:*", "matchCriteriaId": "264C1C64-B631-4C63-9A0A-10C5E3F5D1BB", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Ruby (aka CRuby) before 1.8.7-p357 computes hash values without 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."}, {"lang": "es", "value": "Ruby (tambi\u00e9n conocido como CRuby) anterior a v1.8.7-P357 calcula los valores de hash sin restringir la capacidad de desencadenar colisiones hash predecible, que permite a atacantes dependientes de contexto para causar una denegaci\u00f3n de servicio (consumo de CPU) a trav\u00e9s de entrada dise\u00f1ado para una aplicaci\u00f3n que mantiene un hash mesa."}], "id": "CVE-2011-4815", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-12-30T01:55:01.437", "references": [{"source": "cve@mitre.org", "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html"}, {"source": "cve@mitre.org", "url": "http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/391606"}, {"source": "cve@mitre.org", "url": "http://jvn.jp/en/jp/JVN90615481/index.html"}, {"source": "cve@mitre.org", "url": "http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html"}, {"source": "cve@mitre.org", "url": "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html"}, {"source": "cve@mitre.org", "url": "http://rhn.redhat.com/errata/RHSA-2012-0069.html"}, {"source": "cve@mitre.org", "url": "http://rhn.redhat.com/errata/RHSA-2012-0070.html"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/47405"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/47822"}, {"source": "cve@mitre.org", "url": "http://support.apple.com/kb/HT5281"}, {"source": "cve@mitre.org", "tags": ["US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/903934"}, {"source": "cve@mitre.org", "url": "http://www.nruns.com/_downloads/advisory28122011.pdf"}, {"source": "cve@mitre.org", "url": "http://www.ocert.org/advisories/ocert-2011-003.html"}, {"source": "cve@mitre.org", "url": "http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-found-for-rubys-hash-algorithm/"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id?1026474"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/72020"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/391606"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://jvn.jp/en/jp/JVN90615481/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2012-0069.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2012-0070.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/47405"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/47822"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://support.apple.com/kb/HT5281"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/903934"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.nruns.com/_downloads/advisory28122011.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ocert.org/advisories/ocert-2011-003.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-found-for-rubys-hash-algorithm/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1026474"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/72020"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank oCERT for reporting this issue.", "affected_release": [{"advisory": "RHSA-2012:0070", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "ruby-0:1.8.1-18.el4", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2012-01-30T00:00:00Z"}, {"advisory": "RHSA-2012:0070", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "ruby-0:1.8.5-22.el5_7.1", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2012-01-30T00:00:00Z"}, {"advisory": "RHSA-2012:0069", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "ruby-0:1.8.7.352-4.el6_2", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-01-30T00:00:00Z"}], "bugzilla": {"description": "ruby: hash table collisions CPU usage DoS (oCERT-2011-003)", "id": "750564", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=750564"}, "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) before 1.8.7-p357 computes hash values without 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."], "name": "CVE-2011-4815", "public_date": "2011-12-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4815\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4815"], "threat_severity": "Moderate"}