cve-2011-2686
Vulnerability from cvelistv5
Published
2011-08-05 21:00
Modified
2024-08-06 23:08
Severity ?
Summary
Ruby before 1.8.7-p352 does not reset the random seed upon forking, which makes it easier for context-dependent attackers to predict the values of random numbers by leveraging knowledge of the number sequence obtained in a different child process, a related issue to CVE-2003-0900. NOTE: this issue exists because of a regression during Ruby 1.8.6 development.
References
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2011-July/063062.htmlPatch
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2011-July/063071.htmlPatch
secalert@redhat.comhttp://redmine.ruby-lang.org/issues/show/4338
secalert@redhat.comhttp://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=31713Patch
secalert@redhat.comhttp://svn.ruby-lang.org/repos/ruby/tags/v1_8_7_352/ChangeLog
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/07/11/1Patch
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/07/12/14Patch
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/07/20/1Patch
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/07/20/16Patch
secalert@redhat.comhttp://www.ruby-lang.org/en/news/2011/07/02/ruby-1-8-7-p352-released/Patch
secalert@redhat.comhttp://www.securityfocus.com/bid/49015
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=722415Patch
secalert@redhat.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/69032
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063062.htmlPatch
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063071.htmlPatch
af854a3a-2127-422b-91ae-364da2661108http://redmine.ruby-lang.org/issues/show/4338
af854a3a-2127-422b-91ae-364da2661108http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=31713Patch
af854a3a-2127-422b-91ae-364da2661108http://svn.ruby-lang.org/repos/ruby/tags/v1_8_7_352/ChangeLog
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/07/11/1Patch
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/07/12/14Patch
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/07/20/1Patch
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/07/20/16Patch
af854a3a-2127-422b-91ae-364da2661108http://www.ruby-lang.org/en/news/2011/07/02/ruby-1-8-7-p352-released/Patch
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/49015
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=722415Patch
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/69032
Impacted products
Vendor Product Version
Show details on NVD website

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NOTA: este problema existe debido a una regresi\u00f3n durante el desarrollo de Ruby 1.8.6.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-310\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.8.7-334\",\"matchCriteriaId\":\"2C145137-6CD4-4E6D-B17E-F21F88E272BF\"},{\"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\"}]}]}],\"references\":[{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063062.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063071.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://redmine.ruby-lang.org/issues/show/4338\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision\u0026revision=31713\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://svn.ruby-lang.org/repos/ruby/tags/v1_8_7_352/ChangeLog\",\"source\":\"secalert@redhat.com\"},{\"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\",\"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.securityfocus.com/bid/49015\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=722415\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/69032\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063062.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063071.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"http://redmine.ruby-lang.org/issues/show/4338\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision\u0026revision=31713\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"http://svn.ruby-lang.org/repos/ruby/tags/v1_8_7_352/ChangeLog\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\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  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.