Strix
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CVE-2013-4287

UnknownEPSS 3.32%

Last modified

CVE-2013-4287 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.32% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
3.32%

87.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
RedhatEnterprise Linux6.0—
RubygemsRubygems<= 1.8.23—
RubygemsRubygems1.8.0—
RubygemsRubygems1.8.1—
RubygemsRubygems1.8.2—
RubygemsRubygems1.8.3—
RubygemsRubygems1.8.4—
RubygemsRubygems1.8.5—
RubygemsRubygems1.8.6—
RubygemsRubygems1.8.7—
RubygemsRubygems1.8.8—
RubygemsRubygems1.8.9—
RubygemsRubygems1.8.10—
RubygemsRubygems1.8.11—
RubygemsRubygems1.8.12—
RubygemsRubygems1.8.13—
RubygemsRubygems1.8.14—
RubygemsRubygems1.8.15—
RubygemsRubygems1.8.16—
RubygemsRubygems1.8.17—
RubygemsRubygems1.8.18—
RubygemsRubygems1.8.19—
RubygemsRubygems1.8.20—
RubygemsRubygems1.8.21—
RubygemsRubygems1.8.22—
RubygemsRubygems1.8.24—
RubygemsRubygems1.8.25—
RubygemsRubygems2.0.0—
RubygemsRubygems2.0.1—
RubygemsRubygems2.0.2—
RubygemsRubygems2.0.3—
RubygemsRubygems2.0.4—
RubygemsRubygems2.0.5—
RubygemsRubygems2.0.6—
RubygemsRubygems2.0.7—
RubygemsRubygems2.1.0Rc1
Ruby-LangRuby1.9—
Ruby-LangRuby1.9.1—
Ruby-LangRuby1.9.2—
Ruby-LangRuby1.9.3—
Ruby-LangRuby2.0—
Ruby-LangRuby2.0.0—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2013-4287?
Severity scoring for CVE-2013-4287 is pending analysis. The EPSS model estimates a 3.32% probability of exploitation in the next 30 days.
How do I fix CVE-2013-4287?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-4287?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST