CVE-2013-4363
RubyGems < 1.8.23.2, 1.8.24-1.8.26, 2.0.x < 2.0.10, 2.1.x < 2.1.5 - Denial of Service via Version Regex Backtracking
Title source: llmDescription
Algorithmic complexity vulnerability in Gem::Version::ANCHORED_VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.2, 1.8.24 through 1.8.26, 2.0.x before 2.0.10, and 2.1.x before 2.1.5, 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. NOTE: this issue is due to an incomplete fix for CVE-2013-4287.
References (5)
Core 5
Core References
Various Sources x_refsource_confirm
https://puppet.com/security/cve/cve-2013-4363
Patch mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2013/09/18/8
Patch, Vendor Advisory x_refsource_confirm
http://blog.rubygems.org/2013/09/24/CVE-2013-4363.html
Patch mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2013/09/14/3
Patch mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2013/09/20/1
Scores
EPSS
0.0059
EPSS Percentile
69.4%
Details
CWE
CWE-310
Status
published
Products (33)
ruby-lang/ruby
1.9
ruby-lang/ruby
1.9.1
ruby-lang/ruby
1.9.2
ruby-lang/ruby
1.9.3 (10 CPE variants)
ruby-lang/ruby
2.0
ruby-lang/ruby
2.0.0 (8 CPE variants)
rubygems/rubygems
1.8.0
rubygems/rubygems
1.8.1
rubygems/rubygems
1.8.2
rubygems/rubygems
1.8.3
... and 23 more
Published
Oct 17, 2013
Tracked Since
Feb 18, 2026