CVE-2011-4815

N/A Unknown
Published: December 30, 2011 Modified: April 29, 2026
View on NVD

Description

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
Source: cve@mitre.org
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/391606
Source: cve@mitre.org
http://jvn.jp/en/jp/JVN90615481/index.html
Source: cve@mitre.org
http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html
Source: cve@mitre.org
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
Source: cve@mitre.org
http://rhn.redhat.com/errata/RHSA-2012-0069.html
Source: cve@mitre.org
http://rhn.redhat.com/errata/RHSA-2012-0070.html
Source: cve@mitre.org
http://secunia.com/advisories/47405
Source: cve@mitre.org
http://secunia.com/advisories/47822
Source: cve@mitre.org
http://support.apple.com/kb/HT5281
Source: cve@mitre.org
http://www.kb.cert.org/vuls/id/903934
Source: cve@mitre.org
US Government Resource
http://www.nruns.com/_downloads/advisory28122011.pdf
Source: cve@mitre.org
http://www.ocert.org/advisories/ocert-2011-003.html
Source: cve@mitre.org
http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-found-for-rubys-hash-algorithm/
Source: cve@mitre.org
http://www.securitytracker.com/id?1026474
Source: cve@mitre.org
https://exchange.xforce.ibmcloud.com/vulnerabilities/72020
Source: cve@mitre.org
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/391606
Source: af854a3a-2127-422b-91ae-364da2661108
http://jvn.jp/en/jp/JVN90615481/index.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2012-0069.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2012-0070.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/47405
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/47822
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.apple.com/kb/HT5281
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.kb.cert.org/vuls/id/903934
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
http://www.nruns.com/_downloads/advisory28122011.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ocert.org/advisories/ocert-2011-003.html
Source: af854a3a-2127-422b-91ae-364da2661108
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
http://www.securitytracker.com/id?1026474
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/72020
Source: af854a3a-2127-422b-91ae-364da2661108

32 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
4.2%
90th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

ruby-lang

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