diff options
author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-08 01:58:40 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-08 01:58:40 +0000 |
commit | a8a33dcd98577b2cae5f38ce39b7a9d27f028a35 (patch) | |
tree | 8722021816a3dfabe811f64626b8fe3377d98ce0 /lib/resolv-replace.rb | |
parent | a2d0d15b711cae6fcc63a5b1b8cceb45946c60d1 (diff) |
* lib/resolv.rb: randomize source port and transaction id.
CVE-2008-1447.
* lib/resolv-replace.rb (UDPSocket#bind): don't resolv host if host is
"".
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@18424 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/resolv-replace.rb')
-rw-r--r-- | lib/resolv-replace.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/resolv-replace.rb b/lib/resolv-replace.rb index 5d15b4577c..63d58cea27 100644 --- a/lib/resolv-replace.rb +++ b/lib/resolv-replace.rb @@ -23,7 +23,8 @@ end class UDPSocket alias original_resolv_bind bind def bind(host, port) - original_resolv_bind(IPSocket.getaddress(host), port) + host = IPSocket.getaddress(host) if host != "" + original_resolv_bind(host, port) end alias original_resolv_connect connect |