Home/CVE/httputils.rb in WEBrick in Ruby 1.8.1 and 1.8.5, as used in Red Hat Enterprise Linux 4 and 5, allows remote attackers to
CVE

CVE-2008-4310

httputils.rb in WEBrick in Ruby 1.8.1 and 1.8.5, as used in Red Hat Enterprise Linux 4 and 5, allows remote attackers to

httputils.rb in WEBrick in Ruby 1.8.1 and 1.8.5, as used in Red Hat Enterprise Linux 4 and 5, allows remote attackers to cause a denial of service (CPU consumption) via a crafted HTTP request. NOTE: this issue exists because of an incomplete fix for CVE-2008-3656.

HIGH · CVSS 7.8 EPSS 0.06186
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  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules3 YARA rules0
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Affected Products & Versions

1
ruby-lang rubyall versions
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
RubyGems webrick HIGH fixed in 1.3.1
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Public Exploits & PoCs

1
dosRuby 1.9 - 'WEBrick::HTTP::DefaultFileHandler' Crafted HTTP Request Denial of Serviceverified
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Sigma Hunt Rules

3
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumRuby on Rails Framework Exceptions
productmediumPotential Ruby Reverse Shell
productmediumRuby Inline Command Execution
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Scoring & Timeline

7.8
HIGH · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Published to NVD09 Dec 2008 · 12:30 AM
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Vendor Advisories

1
rhsaRHSA-2008:0981Moderate
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References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/33013Vendor Advisory
http://www.openwall.com/lists/oss-security/2008/12/04/2
http://www.redhat.com/support/errata/RHSA-2008-0981.html
https://bugzilla.redhat.com/show_bug.cgi?id=470252
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10250
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