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    CVE-2013-4287

    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.

    Published:Sep 9, 2013
    Last Modified:Apr 11, 2025
    EPS:Oct 17, 2013
    EPSS Score:0.02737
    CVSS Score:4.3

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Openstack
    Vendor
    Redhat
    Product
    Rhel Software Collections
    Vendor
    Ruby-lang
    Product
    Ruby
    Vendor
    Rubygems
    Product
    Rubygems

    Exploits

    No exploit reference

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    References

    http://blog.rubygems.org/2013/09/09/CVE-2013-4287.html
    http://rhn.redhat.com/errata/RHSA-2013-1427.html
    http://rhn.redhat.com/errata/RHSA-2013-1441.html
    http://rhn.redhat.com/errata/RHSA-2013-1523.html
    http://rhn.redhat.com/errata/RHSA-2013-1852.html
    http://rhn.redhat.com/errata/RHSA-2014-0207.html
    http://secunia.com/advisories/55381
    http://www.openwall.com/lists/oss-security/2013/09/10/1
    https://puppet.com/security/cve/cve-2013-4287
    http://blog.rubygems.org/2013/09/09/CVE-2013-4287.html
    http://rhn.redhat.com/errata/RHSA-2013-1427.html
    http://rhn.redhat.com/errata/RHSA-2013-1441.html
    http://rhn.redhat.com/errata/RHSA-2013-1523.html
    http://rhn.redhat.com/errata/RHSA-2013-1852.html
    http://rhn.redhat.com/errata/RHSA-2014-0207.html
    http://secunia.com/advisories/55381
    http://www.openwall.com/lists/oss-security/2013/09/10/1
    https://puppet.com/security/cve/cve-2013-4287

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High