CVE-2008-3656

NameCVE-2008-3656
DescriptionAlgorithmic 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-1651-1, DSA-1652-1
Debian Bugs494401, 494402

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ruby1.8sourceetch1.8.5-4etch3DSA-1651-1
ruby1.8source(unstable)1.8.7.72-1494401
ruby1.9sourceetch1.9.0+20060609-1etch3DSA-1652-1
ruby1.9source(unstable)1.9.0.2-6494402

Notes

http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/

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