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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression.
View Analysis Description
Algorithmic complexity vulnerability in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.5 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression.
Access Vector (AV):
Access Complexity (AC):
Allows disruption of service
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http://www.securityfocus.com/archive/1/495884/100/0/threaded [No Types Assigned]
http://www.securityfocus.com/archive/1/archive/1/495884/100/0/threaded [No Types Assigned]
https://usn.ubuntu.com/651-1/ [No Types Assigned]
http://www.ubuntulinux.org/support/documentation/usn/usn-651-1 [No Types Assigned]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9682 [No Types Assigned]
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9682 [No Types Assigned]
https://exchange.xforce.ibmcloud.com/vulnerabilities/44371 [No Types Assigned]
http://xforce.iss.net/xforce/xfdb/44371 [No Types Assigned]