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rubygemsRubySecRUBY:RUBY-2008-3656
HistoryAug 07, 2008 - 8:00 p.m.

Ruby WEBrick::HTTP::DefaultFileHandler DoS

2008-08-0720:00:00
RubySec
rubysec.com
15

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

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.

Affected configurations

Vulners
Node
rubyrubyRange1.8.6.2861.8.7.0
OR
rubyrubyRange1.8.7.711.8.8.0
OR
rubyrubyRange<1.9.0
VendorProductVersionCPE
rubyruby*cpe:2.3:a:ruby:ruby:*:*:*:*:*:*:*:*

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C