UNKNOWN RubyGems
RubyGems Regular Expression Denial of Service
GHSA-9qvm-2vhf-q649 · CVE-2013-4363
Published · Modified
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.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2013-4363
- PACKAGE https://github.com/rubygems/rubygems
- WEB https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2013-4363.yml
- WEB https://web.archive.org/web/20170331150441/https://puppet.com/security/cve/cve-2013-4363
- WEB http://blog.rubygems.org/2013/09/24/CVE-2013-4363.html
- WEB http://www.openwall.com/lists/oss-security/2013/09/14/3
- WEB http://www.openwall.com/lists/oss-security/2013/09/18/8
- WEB http://www.openwall.com/lists/oss-security/2013/09/20/1
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