CVE-2011-4815

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Summary

CVECVE-2011-4815
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-12-30 01:55:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionRuby (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.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:C

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:N/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Ruby-lang Ruby 1.8.7-p299 All All All
Application Ruby-lang Ruby 1.8.7-p302 All All All
Application Ruby-lang Ruby 1.8.7-p330 All All All
Application Ruby-lang Ruby 1.8.7-p334 All All All
Application Ruby-lang Ruby All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Security Advisory SA47822 - Red Hat update for ruby - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
404: Not Found af854a3a-2127-422b-91ae-364da2661108 www.ruby-lang.org
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Ruby Hash Table Collision Bug Lets Remote Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
oCERT.org - oCERT Advisories af854a3a-2127-422b-91ae-364da2661108 www.ocert.org
VU#903934 - Hash table implementations vulnerable to algorithmic complexity attacks af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org US Government Resource
JVN#90615481: Ruby hash table implementation vulnerable to denial-of-service af854a3a-2127-422b-91ae-364da2661108 jvn.jp
About the security content of OS X Lion v10.7.4 and Security Update 2012-002 af854a3a-2127-422b-91ae-364da2661108 support.apple.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
NEOHAPSIS - Peace of Mind Through Integrity and Insight af854a3a-2127-422b-91ae-364da2661108 archives.neohapsis.com
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com
APPLE-SA-2012-05-09-1 OS X Lion v10.7.4 and Security Update 2012-002 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com
Best 7 Best Internet Security Software in 2019 af854a3a-2127-422b-91ae-364da2661108 www.nruns.com
[ANN] ruby 1.8.7 patchlevel 357 released af854a3a-2127-422b-91ae-364da2661108 blade.nagaokaut.ac.jp
jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html af854a3a-2127-422b-91ae-364da2661108 jvndb.jvn.jp
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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