MEDIUM
GHSA-9j7m-rjqx-48vh
RubyGems Regular Expression Denial of Service vulnerability
Quick fix
GHSA-9j7m-rjqx-48vh — rubygems-update: upgrade to the fixed version with the command below.
bundle update rubygems-updateDetails
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.
Are you affected?
Enter the version of the package you're using.
Affected packages
References
- https://nvd.nist.gov/vuln/detail/CVE-2013-4287[ADVISORY]
- https://github.com/rubygems/rubygems/commit/938a7e31ac73655845ab9045629ff3f580a125da[WEB]
- https://github.com/rubygems/rubygems/commit/b697536f2455e8c8853cf5cf8a1017a36031ed67[WEB]
- https://github.com/rubygems/rubygems/commit/b9baec03145aed684d1cd3c87dcac3cc06becd9b[WEB]
- https://github.com/rubygems/rubygems/commit/ed733bc379d75620f5be4213f89d1d7b38be3191[WEB]
- https://github.com/rubygems/rubygems/blob/03a074e8838683f45611b119fd8f363aa44fe2fd/CHANGELOG.md[WEB]
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2013-4287.yml[WEB]
- https://web.archive.org/web/20160806152839/https://puppet.com/security/cve/cve-2013-4287[WEB]
- http://blog.rubygems.org/2013/09/09/CVE-2013-4287.html[WEB]
- http://rhn.redhat.com/errata/RHSA-2013-1427.html[WEB]
- http://rhn.redhat.com/errata/RHSA-2013-1441.html[WEB]
- http://rhn.redhat.com/errata/RHSA-2013-1523.html[WEB]
- http://rhn.redhat.com/errata/RHSA-2013-1852.html[WEB]
- http://rhn.redhat.com/errata/RHSA-2014-0207.html[WEB]
- http://www.openwall.com/lists/oss-security/2013/09/10/1[WEB]