logo

Database

Asymmetric denial of service In rubygems-update

Description

RubyGems Regular Expression Denial of Service vulnerability 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.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Package
Affected version
Patched versions

Aliases

1. CVE-2013-42872. NVD-2013-42873. OSV-2013-42874. OSV-DEBIAN-2013-42875. GCVE-2013-42876. SECURITY-TRACKER-CVE-2013-4287

References

1. https://github.com/rubygems/rubygems/commit/938a7e31ac73655845ab9045629ff3f580a125da2. https://github.com/rubygems/rubygems/commit/b697536f2455e8c8853cf5cf8a1017a36031ed673. https://github.com/rubygems/rubygems/commit/b9baec03145aed684d1cd3c87dcac3cc06becd9b4. https://github.com/rubygems/rubygems/commit/ed733bc379d75620f5be4213f89d1d7b38be31915. https://github.com/rubygems/rubygems/blob/03a074e8838683f45611b119fd8f363aa44fe2fd/CHANGELOG.md6. https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2013-4287.yml7. https://web.archive.org/web/20160806152839/https://puppet.com/security/cve/cve-2013-42878. http://blog.rubygems.org/2013/09/09/CVE-2013-4287.html9. http://rhn.redhat.com/errata/RHSA-2013-1427.html10. http://rhn.redhat.com/errata/RHSA-2013-1441.html11. http://rhn.redhat.com/errata/RHSA-2013-1523.html12. http://rhn.redhat.com/errata/RHSA-2013-1852.html13. http://rhn.redhat.com/errata/RHSA-2014-0207.html14. http://www.openwall.com/lists/oss-security/2013/09/10/1

Does your application use this vulnerable software?

During the free trial, our tools assess your application, identify vulnerabilities, and provide recommendations for their remediation.