CVE-2013-4363
4.3 · MEDIUMOverview
CVE-2013-4363 is a medium-severity vulnerability affecting rubygems rubygems. It was published on October 17, 2013 and has a CVSS 2.0 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Algorithmic complexity vulnerability in Gem::Version::ANCHORED_VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.2, 1.8.24 through 1.8.26, 2.0.x before 2.0.10, and 2.1.x before 2.1.5, 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. NOTE: this issue is due to an incomplete fix for CVE-2013-4287.
Remediation
Check the references section for vendor advisories and patches from rubygems. Update rubygems to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| rubygems | rubygems | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2013-4363?
CVE-2013-4363 is a medium-severity vulnerability affecting rubygems rubygems. It was published on October 17, 2013 and has a CVSS 2.0 base score of 4.3 (MEDIUM).
How severe is CVE-2013-4363?
This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2013-4363?
Check the references section for vendor advisories and patches from rubygems. Update rubygems to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2013-4363?
CyberStrike's AI-powered security agents can automatically detect CVE-2013-4363 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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