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Fixed command Injection

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* lib/resolv.rb (Resolv::Config.parse_resolv_conf): fixed
  potential command injection by use of Kernel#open.
  [ruby-core:84347] [Bug #14205]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61351 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-12-20 04:25:01 +00:00
parent c08e8886ba
commit cdf1b85ae7
3 changed files with 22 additions and 1 deletions
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10
test/resolv/test_dns.rb
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@ -179,6 +179,16 @@ class TestResolvDNS < Test::Unit::TestCase
end
end
def test_resolv_conf_by_command
Dir.mktmpdir do |dir|
Dir.chdir(dir) do
assert_raise(Errno::ENOENT) do
Resolv::DNS::Config.parse_resolv_conf("|echo foo")
end
end
end
end
def test_dots_diffences
name1 = Resolv::DNS::Name.create("example.org")
name2 = Resolv::DNS::Name.create("ex.ampl.eo.rg")