{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-07-11T00:00:00", "descriptions": [{"lang": "en", "value": "The SecureRandom.random_bytes function in lib/securerandom.rb in Ruby before 1.8.7-p352 and 1.9.x before 1.9.2-p290 relies on PID values for initialization, which makes it easier for context-dependent attackers to predict the result string by leveraging knowledge of random strings obtained in an earlier process with the same PID."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2012-01-19T10:00:00", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "[oss-security] 20110712 Re: CVE Request: ruby PRNG fixes", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/07/12/14"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.ruby-lang.org/en/news/2011/07/02/ruby-1-8-7-p352-released/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722415"}, {"name": "[oss-security] 20110720 Re: CVE Request: ruby PRNG fixes", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/07/20/16"}, {"name": "RHSA-2011:1581", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://www.redhat.com/support/errata/RHSA-2011-1581.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.ruby-lang.org/en/news/2011/07/15/ruby-1-9-2-p290-is-released/"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=32050"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://svn.ruby-lang.org/repos/ruby/tags/v1_8_7_352/ChangeLog"}, {"name": "FEDORA-2011-9374", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063062.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://svn.ruby-lang.org/repos/ruby/tags/v1_9_2_290/ChangeLog"}, {"name": "[oss-security] 20110720 Re: CVE Request: ruby PRNG fixes", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/07/20/1"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://redmine.ruby-lang.org/issues/4579"}, {"name": "[oss-security] 20110711 CVE Request: ruby PRNG fixes", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/07/11/1"}, {"name": "49015", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/49015"}, {"name": "FEDORA-2011-9359", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063071.html"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T23:08:23.972Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20110712 Re: CVE Request: ruby PRNG fixes", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/07/12/14"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.ruby-lang.org/en/news/2011/07/02/ruby-1-8-7-p352-released/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722415"}, {"name": "[oss-security] 20110720 Re: CVE Request: ruby PRNG fixes", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/07/20/16"}, {"name": "RHSA-2011:1581", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://www.redhat.com/support/errata/RHSA-2011-1581.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.ruby-lang.org/en/news/2011/07/15/ruby-1-9-2-p290-is-released/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=32050"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://svn.ruby-lang.org/repos/ruby/tags/v1_8_7_352/ChangeLog"}, {"name": "FEDORA-2011-9374", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063062.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://svn.ruby-lang.org/repos/ruby/tags/v1_9_2_290/ChangeLog"}, {"name": "[oss-security] 20110720 Re: CVE Request: ruby PRNG fixes", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/07/20/1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://redmine.ruby-lang.org/issues/4579"}, {"name": "[oss-security] 20110711 CVE Request: ruby PRNG fixes", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/07/11/1"}, {"name": "49015", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/49015"}, {"name": "FEDORA-2011-9359", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063071.html"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-2705", "datePublished": "2011-08-05T21:00:00", "dateReserved": "2011-07-11T00:00:00", "dateUpdated": "2024-08-06T23:08:23.972Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "matchCriteriaId": "2C145137-6CD4-4E6D-B17E-F21F88E272BF", "versionEndIncluding": "1.8.7-334", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7:p22:*:*:*:*:*:*", "matchCriteriaId": "1FE05F3A-A8B5-45EE-BF52-D55E2768F890", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7:p71:*:*:*:*:*:*", "matchCriteriaId": "0C6D66E2-3E10-4DEA-9E6B-53A5DE78AFCF", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7:p72:*:*:*:*:*:*", "matchCriteriaId": "17AA24B4-30C7-4D46-A55C-A5CC7C446436", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7-160:*:*:*:*:*:*:*", "matchCriteriaId": "DD10E326-6907-47DB-B2F1-D09EF2E7EBD8", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7-173:*:*:*:*:*:*:*", "matchCriteriaId": "55A7F5F2-3F5D-441B-9756-8540BDCB3356", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7-248:*:*:*:*:*:*:*", "matchCriteriaId": "4FE44E5F-8ECA-4325-9454-12682D84F430", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7-249:*:*:*:*:*:*:*", "matchCriteriaId": "81D68A0E-2809-4A02-BEEA-B37719AC23DC", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7-299:*:*:*:*:*:*:*", "matchCriteriaId": "324BD6C5-27BE-4678-846D-90433FD6AD0A", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7-302:*:*:*:*:*:*:*", "matchCriteriaId": "6AA691FE-2BBF-4407-A52B-8CCAA07E0BC1", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7-330:*:*:*:*:*:*:*", "matchCriteriaId": "3684A343-ABD7-4B80-993C-1F3CC0F983DF", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7-p21:*:*:*:*:*:*:*", "matchCriteriaId": "D1797BB1-935E-45F0-A803-A985E5659236", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9:*:*:*:*:*:*:*", "matchCriteriaId": "D9237145-35F8-4E05-B730-77C0F386E5B2", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9:r18423:*:*:*:*:*:*", "matchCriteriaId": "11743FC1-0DD5-4946-AECF-C9962BF7C21F", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.0:*:*:*:*:*:*:*", "matchCriteriaId": "52179EC7-CAF0-42AA-A21A-7105E10CA122", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.0:r18423:*:*:*:*:*:*", "matchCriteriaId": "D906EA97-7071-4CFA-84EF-EC82D813D7AE", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.0-0:*:*:*:*:*:*:*", "matchCriteriaId": "A2D5127F-1E79-4F83-8BB0-C479B6CFE9AE", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.0-1:*:*:*:*:*:*:*", "matchCriteriaId": "31181BA2-71A7-40C8-9E08-8FEAB013977B", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.0-2:*:*:*:*:*:*:*", "matchCriteriaId": "EB8F3772-C973-41DB-AB3A-F4323418FC7F", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.0-20060415:*:*:*:*:*:*:*", "matchCriteriaId": "A688B357-7096-4362-A7DD-5A24FB0AF431", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.0-20070709:*:*:*:*:*:*:*", "matchCriteriaId": "46913DE9-8AE6-40E5-AEA1-6D2524EE7581", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.1:*:*:*:*:*:*:*", "matchCriteriaId": "C78BB1D8-0505-484D-B824-1AA219F8B247", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.1:-p0:*:*:*:*:*:*", "matchCriteriaId": "470CF526-96F6-4DD1-B687-17106051A6D5", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.1:-p129:*:*:*:*:*:*", "matchCriteriaId": "52159D9F-8CD3-4103-82E6-BDE035BA3625", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.1:-p243:*:*:*:*:*:*", "matchCriteriaId": "EC0FD3F8-73A3-4518-8892-1E34D709FB89", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.1:-p376:*:*:*:*:*:*", "matchCriteriaId": "4B846CCE-7D1D-4A7E-95D8-50F92CF79AC6", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.1:-p429:*:*:*:*:*:*", "matchCriteriaId": "CB99DD31-7355-4FF1-AE41-CC156F83D7A2", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.1:-preview_1:*:*:*:*:*:*", "matchCriteriaId": "A7E15263-74D3-42D4-B37C-C649F68EDECC", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.1:-preview_2:*:*:*:*:*:*", "matchCriteriaId": "BA7FEA9B-06CE-4D08-9D61-2526ED5AE630", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.1:-rc1:*:*:*:*:*:*", "matchCriteriaId": "0D7F7EA5-7F6C-4C15-AB97-024836DC4862", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.1:-rc2:*:*:*:*:*:*", "matchCriteriaId": "236B38D1-0CCA-43C5-B2FC-1224F4F4E165", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.2:*:*:*:*:*:*:*", "matchCriteriaId": "5178D04D-1C29-4353-8987-559AA07443EC", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.2:dev:*:*:*:*:*:*", "matchCriteriaId": "D19F541D-98C2-42A6-9364-D6D9A279796E", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.2-p136:*:*:*:*:*:*:*", "matchCriteriaId": "BCD01B23-A519-4FB8-99A1-1F91E6267E22", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.2-p180:*:*:*:*:*:*:*", "matchCriteriaId": "C9035B9B-CAFA-49F2-900D-78108FDAFB90", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The SecureRandom.random_bytes function in lib/securerandom.rb in Ruby before 1.8.7-p352 and 1.9.x before 1.9.2-p290 relies on PID values for initialization, which makes it easier for context-dependent attackers to predict the result string by leveraging knowledge of random strings obtained in an earlier process with the same PID."}, {"lang": "es", "value": "La funci\u00f3n SecureRandom.random_bytes de lib/securerandom.rb de Ruby en versiones anteriores a 1.8.7-p352 y 1.9.x anteriores a 1.9.2-p290 se basa en valores PID para la inicializaci\u00f3n, lo que facilita a atacantes dependientes del contexto predecir la cadena resultado utilizando el conocimiento de cadenas aleatorias obtenidas en procesos anteriores con el mismo PID."}], "id": "CVE-2011-2705", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-08-05T21:55:04.530", "references": [{"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063062.html"}, {"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063071.html"}, {"source": "secalert@redhat.com", "url": "http://redmine.ruby-lang.org/issues/4579"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=32050"}, {"source": "secalert@redhat.com", "url": "http://svn.ruby-lang.org/repos/ruby/tags/v1_8_7_352/ChangeLog"}, {"source": "secalert@redhat.com", "url": "http://svn.ruby-lang.org/repos/ruby/tags/v1_9_2_290/ChangeLog"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2011/07/11/1"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2011/07/12/14"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2011/07/20/1"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2011/07/20/16"}, {"source": "secalert@redhat.com", "url": "http://www.redhat.com/support/errata/RHSA-2011-1581.html"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.ruby-lang.org/en/news/2011/07/02/ruby-1-8-7-p352-released/"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.ruby-lang.org/en/news/2011/07/15/ruby-1-9-2-p290-is-released/"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/49015"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722415"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063062.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063071.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://redmine.ruby-lang.org/issues/4579"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=32050"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://svn.ruby-lang.org/repos/ruby/tags/v1_8_7_352/ChangeLog"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://svn.ruby-lang.org/repos/ruby/tags/v1_9_2_290/ChangeLog"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2011/07/11/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2011/07/12/14"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2011/07/20/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2011/07/20/16"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2011-1581.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.ruby-lang.org/en/news/2011/07/02/ruby-1-8-7-p352-released/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.ruby-lang.org/en/news/2011/07/15/ruby-1-9-2-p290-is-released/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/49015"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722415"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:1581", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "ruby-0:1.8.7.352-3.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-12-05T00:00:00Z"}], "bugzilla": {"description": "ruby: Properly initialize the random number generator when forking new process", "id": "722415", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722415"}, "csaw": false, "cvss": {"cvss_base_score": "2.1", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "status": "verified"}, "details": ["The SecureRandom.random_bytes function in lib/securerandom.rb in Ruby before 1.8.7-p352 and 1.9.x before 1.9.2-p290 relies on PID values for initialization, which makes it easier for context-dependent attackers to predict the result string by leveraging knowledge of random strings obtained in an earlier process with the same PID."], "name": "CVE-2011-2705", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Affected", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Affected", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2011-07-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2705\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2705"], "threat_severity": "Low"}

{}