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Status published
High
CVE-2011-4815
Ruby (aka CRuby) before 1.8.7-p357 computes hash values without restricting...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://secunia.com/advisories/47405
- http://www.securitytracker.com/id?1026474
- http://www.nruns.com/_downloads/advisory28122011.pdf
- http://secunia.com/advisories/47822
- http://rhn.redhat.com/errata/RHSA-2012-0070.html
- http://jvn.jp/en/jp/JVN90615481/index.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72020
- http://www.kb.cert.org/vuls/id/903934
- http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/391606
- http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-found-for-rubys-hash-algorithm/
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
- http://rhn.redhat.com/errata/RHSA-2012-0069.html
- http://support.apple.com/kb/HT5281
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
- http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html
- http://www.ocert.org/advisories/ocert-2011-003.html
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Affected Vendor
ruby-lang
View all reports →Affected Software
ruby
Vulnerable Versions:
0, 1.8.7-p299, 1.8.7-p302, 1.8.7-p330, 1.8.7-p334
Timeline
Official Publish:
December 30th, 2011
Last Modified:
August 7th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.