Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Enterprise Linux | 6.0 |
| Rubygems | Rubygems | <= 1.8.23 |
| Ruby-Lang | Ruby | 1.9 |
Related Weaknesses (CWE)
References
- http://blog.rubygems.org/2013/09/09/CVE-2013-4287.htmlPatchVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1427.htmlVendor Advisory
- 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/2013/09/10/1Patch
- https://puppet.com/security/cve/cve-2013-4287
- http://blog.rubygems.org/2013/09/09/CVE-2013-4287.htmlPatchVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1427.htmlVendor Advisory
- 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
FAQ
What is CVE-2013-4287?
CVE-2013-4287 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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...
How severe is CVE-2013-4287?
CVE-2013-4287 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-4287?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux, Rubygems Rubygems, Ruby-Lang Ruby.