CVE-2012-5371 (GCVE-0-2012-5371)

Vulnerability from cvelistv5 – Published: 2012-11-28 11:00 – Updated: 2024-08-06 21:05
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
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CVE-2011-4815.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"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:*:p286:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.9.3\",\"matchCriteriaId\":\"A45A2FA0-5451-4A6D-8301-B60645354AA5\"},{\"vulnerable\":true,\"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:1.9.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C78BB1D8-0505-484D-B824-1AA219F8B247\"},{\"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:1.9.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D0535DC9-EB0E-4745-80AC-4A020DF26E38\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:1.9.3:p0:*:*:*:*:*:*\",\"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\"}]}]}],\"references\":[{\"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\"},{\"url\":\"http://securitytracker.com/id?1027747\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.ocert.org/advisories/ocert-2012-001.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.osvdb.org/87280\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.ruby-lang.org/en/news/2012/11/09/ruby19-hashdos-cve-2012-5371/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/56484\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1733-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=875236\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/79993\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.131002.net/data/talks/appsec12_slides.pdf\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://2012.appsec-forum.ch/conferences/#c17\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://asfws12.files.wordpress.com/2012/11/asfws2012-jean_philippe_aumasson-martin_bosslet-hash_flooding_dos_reloaded.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/51253\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://securitytracker.com/id?1027747\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.ocert.org/advisories/ocert-2012-001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.osvdb.org/87280\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ruby-lang.org/en/news/2012/11/09/ruby19-hashdos-cve-2012-5371/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/56484\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1733-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=875236\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/79993\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.131002.net/data/talks/appsec12_slides.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

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.