Moderate severityNVD Advisory· Published Oct 17, 2013· Updated Jun 16, 2026
CVE-2013-4287
CVE-2013-4287
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
rubygems-updateRubyGems | < 1.8.23.1 | 1.8.23.1 |
rubygems-updateRubyGems | >= 1.8.24, < 1.8.26 | 1.8.26 |
rubygems-updateRubyGems | >= 2.0.0, < 2.0.8 | 2.0.8 |
rubygems-updateRubyGems | >= 2.1.0.rc.1, < 2.1.0 | 2.1.0 |
Affected products
60cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*+ 35 more
- cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*range: <=1.8.23
- cpe:2.3:a:rubygems:rubygems:1.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.10:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.11:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.12:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.13:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.14:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.15:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.16:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.17:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.18:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.19:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.20:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.21:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.22:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.24:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.25:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.5:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.6:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.7:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.8:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:1.8.9:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:2.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:2.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:2.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:2.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:2.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:2.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:2.1.0:rc2:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9:*:*:*:*:*:*:*+ 21 more
- cpe:2.3:a:ruby-lang:ruby:1.9:*:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:1.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:1.9.2:*:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:1.9.3:*:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:1.9.3:p0:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:1.9.3:p125:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:1.9.3:p194:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:1.9.3:p286:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:1.9.3:p383:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:1.9.3:p385:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:1.9.3:p392:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:1.9.3:p426:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:1.9.3:p429:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p0:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p195:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p247:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:2.0.0:preview1:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:2.0.0:preview2:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:2.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:ruby-lang:ruby:2.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
18- blog.rubygems.org/2013/09/09/CVE-2013-4287.htmlnvdPatchVendor AdvisoryWEB
- www.openwall.com/lists/oss-security/2013/09/10/1nvdPatchWEB
- rhn.redhat.com/errata/RHSA-2013-1427.htmlnvdVendor AdvisoryWEB
- github.com/advisories/GHSA-9j7m-rjqx-48vhghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2013-4287ghsaADVISORY
- rhn.redhat.com/errata/RHSA-2013-1441.htmlnvdWEB
- rhn.redhat.com/errata/RHSA-2013-1523.htmlnvdWEB
- rhn.redhat.com/errata/RHSA-2013-1852.htmlnvdWEB
- rhn.redhat.com/errata/RHSA-2014-0207.htmlnvdWEB
- github.com/rubygems/rubygems/blob/03a074e8838683f45611b119fd8f363aa44fe2fd/CHANGELOG.mdghsaWEB
- github.com/rubygems/rubygems/commit/938a7e31ac73655845ab9045629ff3f580a125daghsaWEB
- github.com/rubygems/rubygems/commit/b697536f2455e8c8853cf5cf8a1017a36031ed67ghsaWEB
- github.com/rubygems/rubygems/commit/b9baec03145aed684d1cd3c87dcac3cc06becd9bghsaWEB
- github.com/rubygems/rubygems/commit/ed733bc379d75620f5be4213f89d1d7b38be3191ghsaWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2013-4287.ymlghsaWEB
- web.archive.org/web/20160806152839/https://puppet.com/security/cve/cve-2013-4287ghsaWEB
- secunia.com/advisories/55381nvd
- puppet.com/security/cve/cve-2013-4287nvd
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