CVE-2011-4815

2011-12-3001:55:00

CWE-20

[email protected]

web.nvd.nist.gov

cve-2011-4815

ruby

cruby

hash collision

denial of service

cpu consumption

nvd

6 Medium

AI Score

Confidence

Low

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.02 Low

EPSS

Percentile

88.7%

JSON

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.

CPENameOperatorVersion
ruby-lang:rubyruby-lang rubyeq1.8.7-p334
ruby-lang:rubyruby-lang rubyeq1.8.7-p330
ruby-lang:rubyruby-lang rubyeq1.8.7-p302
ruby-lang:rubyruby-lang rubyeq1.8.7-p299
ruby-lang:rubyruby-lang rubyle1.8.7-p352

CPE	Name	Operator	Version
ruby-lang:ruby	ruby-lang ruby	eq	1.8.7-p334
ruby-lang:ruby	ruby-lang ruby	eq	1.8.7-p330
ruby-lang:ruby	ruby-lang ruby	eq	1.8.7-p302
ruby-lang:ruby	ruby-lang ruby	eq	1.8.7-p299
ruby-lang:ruby	ruby-lang ruby	le	1.8.7-p352