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CVE-2013-4363Date: (C)2013-10-19   (M)2023-12-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 4.3
Exploit Score: 8.6
Impact Score: 2.9
 
CVSS V2 Metrics:
Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality: NONE
Integrity: NONE
Availability: PARTIAL
  
Reference:
http://www.openwall.com/lists/oss-security/2013/09/14/3
http://www.openwall.com/lists/oss-security/2013/09/18/8
http://www.openwall.com/lists/oss-security/2013/09/20/1
http://blog.rubygems.org/2013/09/24/CVE-2013-4363.html
https://puppet.com/security/cve/cve-2013-4363

CPE    54
cpe:/a:rubygems:rubygems:2.0.0:preview2
cpe:/a:rubygems:rubygems:2.0.0:preview2.1
cpe:/a:rubygems:rubygems:2.0.0:preview2.2
cpe:/a:ruby-lang:ruby:1.9.1
...
CWE    1
CWE-310
OVAL    4
oval:org.secpod.oval:def:1600320
oval:org.secpod.oval:def:106011
oval:org.secpod.oval:def:106008
oval:org.secpod.oval:def:1600023
...

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