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rubygemsRubySecRUBY:RUBY-2008-1447
HistoryMay 04, 2008 - 8:00 p.m.

ruby -- DNS spoofing vulnerability in resolv.rb

2008-05-0420:00:00
RubySec
rubysec.com
15

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.8

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

resolv.rb allow remote attackers to spoof DNS answers. This risk can be
reduced by randomness of DNS transaction IDs and source ports, so
resolv.rb is fixed to randomize them.

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

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.8

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N