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# ===GLSAMaker v2
# Copyright (C) 2010 Alex Legler <a3li@gentoo.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# For more information, see the LICENSE file.
require 'glsamaker/helpers'
class Cve < ActiveRecord::Base
has_many :references, :class_name => "CveReference"
has_many :comments, :class_name => "CveComment"
has_and_belongs_to_many :cpes, :class_name => "Cpe"
has_many :cve_changes, :class_name => "CveChange", :foreign_key => "cve_id"
has_many :assignments, :class_name => "CveAssignment", :foreign_key => "cve_id"
def to_s(line_length = 78)
str = "#{self.cve_id} #{"(%s):" % url}\n"
str += " " + Glsamaker::help.word_wrap(self.summary, :line_width => line_length-2).gsub(/\n/, "\n ")
end
# Returns the URL for this CVE at NVD (<tt>:nvd</tt>, default) or MITRE (<tt>:mitre</tt>)
def url(site = :nvd)
if site == :nvd
"https://nvd.nist.gov/vuln/detail/%s" % self.cve_id
elsif site == :mitre
"https://cve.mitre.org/cgi-bin/cvename.cgi?name=%s" % self.cve_id
else
raise ArgumentError, 'Invalid site'
end
end
# Concatenates the CVE descriptions of many cves, separated by separator
def self.concat(cves, separator = "\n\n")
txt = ""
cves.each do |cve|
txt += Cve.find(cve).to_s
txt += separator
end
txt
end
# Assigns the CVE to a certain bug, creating a history entry
def assign(bugnr, user, action = 'assign')
bugnr = Integer(bugnr)
case action
when 'assign', :assign
act = 'assign'
when 'file', :file
act = 'file'
else
raise ArgumentError, "Invalid action specified"
end
a = self.assignments.create!(:bug => bugnr)
ch = self.cve_changes.create!(
:user => user,
:action => act,
:object => a.id
)
self.state = 'ASSIGNED'
save!
end
# Mark the CVE as Not-For-Us, creating a history entry
def nfu(user, reason = nil)
self.cve_changes.create!(
:user => user,
:action => 'nfu',
:object => reason
)
self.state = 'NFU'
save!
end
# Mark the CVE as INVALID, creating a history entry
def invalidate(user, reason = nil)
self.cve_changes.create!(
:user => user,
:action => 'invalid',
:object => reason
)
self.state = 'INVALID'
save!
end
def later(user, reason = nil)
self.cve_changes.create!(
:user => user,
:action => 'later',
:object => reason
)
self.state = 'LATER'
save!
end
def mark_new(user, reason = nil)
self.cve_changes.create!(
:user => user,
:action => 'new',
:object => reason
)
self.state = 'NEW'
save!
end
def add_comment(user, comment, confidential = false)
self.comments << CveComment.create!(
:user => user,
:confidential => confidential,
:comment => comment
)
end
# Decorates the output of field with a color, depending on the status
def colorize(field = :cve_id)
"<span class='cvename cve-%s'>%s</span>" % [state.downcase, self[field]]
end
# Looks for Gentoo packages that might be affected by this CVE
def package_hints
def search(s)
return [] if s.nil? or s == ""
Glsamaker::Portage.find_packages(
Regexp.compile(Regexp.escape(s).gsub(/[^a-zA-Z0-9]/, '.*?'), Regexp::IGNORECASE)
)
end
package_hints = []
my_cpes = cpes.map {|c| c.product }.uniq
package_hints << my_cpes.map {|c| search c }.flatten
# stolen from the old cvetools.py
if summary =~ / in (\S+\.\S+) in (?:the )?(?:a )?(\D+) \d+/
match = $2
if match.end_with? 'before'
package_hints << search(match[0, match.length - 7])
else
package_hints << search(match)
end
end
if summary =~ / in (?:the )?(?:a )?(\D+) \d+/
match = $1
if match.end_with? 'before'
package_hints << search(match[0, match.length - 7])
else
package_hints << search(match)
end
end
if summary =~ / in (\S+\.\S+) in (?:the )?(?:a )?(\S+) /
package_hints << search($1)
end
if summary =~ / in (?:the )?(?:a )?(\S+) /
package_hints << search($1)
end
if summary =~ /(?:The )?(\S+) /
package_hints << search($1)
end
package_hints.flatten.uniq
end
end
|
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