CVE-2013-4287: Medium severity red hat enterprise linux vulnerability
Algorithmic complexity vulnerability in Gem::Version::VERSIONPATTERN 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.
Other sources
Algorithmic complexity vulnerability in Gem::Version::VERSIONPATTERN 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.
Affected Software
Remediation
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2013-4287?
CVE-2013-4287 is considered to have a medium severity as it allows remote attackers to cause a denial of service.
How do I fix CVE-2013-4287?
To fix CVE-2013-4287, update RubyGems to versions 1.8.26, 1.8.23.1, 2.0.8, or 2.1.0.
Which versions of RubyGems are affected by CVE-2013-4287?
Versions of RubyGems prior to 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 are affected.
What type of vulnerability is CVE-2013-4287?
CVE-2013-4287 is an algorithmic complexity vulnerability affecting the version handling in RubyGems.
Are Ruby versions also affected by CVE-2013-4287?
Yes, Ruby versions from 1.9.0 through 2.0.0p247 can be affected when using vulnerable RubyGems.