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CVE-2013-4363

UnknownEPSS 1.69%

Last modified

CVE-2013-4363 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.69% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
1.69%

74.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
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
RubygemsRubygems1.8.26
RubygemsRubygems2.0.0
RubygemsRubygems2.0.1
RubygemsRubygems2.0.2
RubygemsRubygems2.0.3
RubygemsRubygems2.0.4
RubygemsRubygems2.0.5
RubygemsRubygems2.0.6
RubygemsRubygems2.0.7
RubygemsRubygems2.0.8
RubygemsRubygems2.0.9
RubygemsRubygems2.1.0
RubygemsRubygems2.1.1
RubygemsRubygems2.1.2
RubygemsRubygems2.1.3
RubygemsRubygems2.1.4
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-2013-4363?
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.
How severe is CVE-2013-4363?
Severity scoring for CVE-2013-4363 is pending analysis. The EPSS model estimates a 1.69% probability of exploitation in the next 30 days.
How do I fix CVE-2013-4363?
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-2013-4363?

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

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Source: NVD / NIST