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Last updated: 10/21/2014 9:31:54 PM

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Vulnerability Summary for CVE-2013-4287

Original release date: 10/17/2013
Last revised: 03/05/2014
Source: US-CERT/NIST

Overview

Algorithmic complexity vulnerability in Gem::Version::VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.1, 1.8.24 through 1.8.25, 2.0.x before 2.0.8, and 2.1.x before 2.1.0, as used in Ruby 1.9.0 through 2.0.0p247, allows remote attackers to cause a denial of service (CPU consumption) via a crafted gem version that triggers a large amount of backtracking in a regular expression.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: REDHAT
Name: RHSA-2013:1441
External Source: REDHAT
Name: RHSA-2013:1427
Type: Advisory
External Source: REDHAT
Name: RHSA-2013:1852
External Source: SECUNIA
Name: 55381
External Source: MLIST
Name: [oss-security] 20130909 CVE-2013-4287 Algorithmic complexity vulnerability in RubyGems 2.0.7 and older
Type: Patch Information
External Source: REDHAT
Name: RHSA-2013:1523
External Source: REDHAT
Name: RHSA-2014:0207
External Source: CONFIRM
Name: http://blog.rubygems.org/2013/09/09/CVE-2013-4287.html
Type: Advisory; Patch Information

Vulnerable software and versions

Skip Navigation Links.
Collapse Configuration 1Configuration 1
Collapse OROR
* cpe:/a:rubygems:rubygems:2.1.0:rc1
* cpe:/a:rubygems:rubygems:2.1.0:rc2
* cpe:/a:rubygems:rubygems:2.0.0
* cpe:/a:rubygems:rubygems:2.0.1
* cpe:/a:rubygems:rubygems:2.0.2
* cpe:/a:rubygems:rubygems:2.0.3
* cpe:/a:rubygems:rubygems:2.0.4
* cpe:/a:rubygems:rubygems:2.0.5
* cpe:/a:rubygems:rubygems:2.0.6
* cpe:/a:rubygems:rubygems:2.0.7
* cpe:/a:rubygems:rubygems:1.8.24
* cpe:/a:rubygems:rubygems:1.8.25
* cpe:/a:rubygems:rubygems:1.8.23 and previous versions
* cpe:/a:rubygems:rubygems:1.8.0
* cpe:/a:rubygems:rubygems:1.8.1
* cpe:/a:rubygems:rubygems:1.8.10
* cpe:/a:rubygems:rubygems:1.8.11
* cpe:/a:rubygems:rubygems:1.8.12
* cpe:/a:rubygems:rubygems:1.8.13
* cpe:/a:rubygems:rubygems:1.8.14
* cpe:/a:rubygems:rubygems:1.8.15
* cpe:/a:rubygems:rubygems:1.8.16
* cpe:/a:rubygems:rubygems:1.8.17
* cpe:/a:rubygems:rubygems:1.8.18
* cpe:/a:rubygems:rubygems:1.8.19
* cpe:/a:rubygems:rubygems:1.8.2
* cpe:/a:rubygems:rubygems:1.8.20
* cpe:/a:rubygems:rubygems:1.8.21
* cpe:/a:rubygems:rubygems:1.8.22
* cpe:/a:rubygems:rubygems:1.8.3
* cpe:/a:rubygems:rubygems:1.8.4
* cpe:/a:rubygems:rubygems:1.8.5
* cpe:/a:rubygems:rubygems:1.8.6
* cpe:/a:rubygems:rubygems:1.8.7
* cpe:/a:rubygems:rubygems:1.8.8
* cpe:/a:rubygems:rubygems:1.8.9
Collapse Configuration 2Configuration 2
Collapse OROR
* cpe:/a:ruby-lang:ruby:1.9
* cpe:/a:ruby-lang:ruby:1.9.1
* cpe:/a:ruby-lang:ruby:1.9.2
* cpe:/a:ruby-lang:ruby:1.9.3
* cpe:/a:ruby-lang:ruby:1.9.3:p0
* cpe:/a:ruby-lang:ruby:1.9.3:p125
* cpe:/a:ruby-lang:ruby:1.9.3:p194
* cpe:/a:ruby-lang:ruby:1.9.3:p286
* cpe:/a:ruby-lang:ruby:1.9.3:p383
* cpe:/a:ruby-lang:ruby:1.9.3:p385
* cpe:/a:ruby-lang:ruby:1.9.3:p392
* cpe:/a:ruby-lang:ruby:1.9.3:p426
* cpe:/a:ruby-lang:ruby:1.9.3:p429
* cpe:/a:ruby-lang:ruby:2.0
* cpe:/a:ruby-lang:ruby:2.0.0
* cpe:/a:ruby-lang:ruby:2.0.0:p0
* cpe:/a:ruby-lang:ruby:2.0.0:p195
* cpe:/a:ruby-lang:ruby:2.0.0:p247
* cpe:/a:ruby-lang:ruby:2.0.0:preview1
* cpe:/a:ruby-lang:ruby:2.0.0:preview2
* cpe:/a:ruby-lang:ruby:2.0.0:rc1
* cpe:/a:ruby-lang:ruby:2.0.0:rc2
Collapse Configuration 3Configuration 3
Collapse OROR
* cpe:/o:redhat:enterprise_linux:6
* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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