[ruby-dev:49452] [Ruby trunk - Bug #11855] CGI.escapeHTML and taint/frozen
From:
takashikkbn@...
Date:
2015-12-21 15:01:41 UTC
List:
ruby-dev #49452
Issue #11855 has been updated by Takashi Kokubun.
File 0001-Preserve-original-state-for-tainted-and-frozen.patch added
ruby -v changed from ruby 2.3.0dev (2015-12-21 trunk 53230) [x86_64-darwin14] to ruby 2.3.0dev (2015-12-21 trunk 53230) [x86_64-darwin15]
ご報告ありがとうございます。修正パッチを書きました。
https://github.com/ruby/ruby/pull/1166
----------------------------------------
Bug #11855: CGI.escapeHTML and taint/frozen
https://bugs.ruby-lang.org/issues/11855#change-55712
* Author: Kazuhiro NISHIYAMA
* Status: Open
* Priority: Normal
* Assignee:
* ruby -v: ruby 2.3.0dev (2015-12-21 trunk 53230) [x86_64-darwin15]
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
----------------------------------------
taint フラグや frozen の扱いが変わってしまっているようです。
~~~
% ruby -v -r cgi -e 'p CGI.escapeHTML("".taint).tainted?'
ruby 2.3.0dev (2015-12-21 trunk 53230) [x86_64-darwin14]
true
% ruby -v -r cgi -e 'p CGI.escapeHTML("&".taint).tainted?'
ruby 2.3.0dev (2015-12-21 trunk 53230) [x86_64-darwin14]
false
% ruby -v -r cgi -e 'p CGI.escapeHTML("".freeze).frozen?'
ruby 2.3.0dev (2015-12-21 trunk 53230) [x86_64-darwin14]
true
% ruby -v -r cgi -e 'p CGI.escapeHTML("&".freeze).frozen?'
ruby 2.3.0dev (2015-12-21 trunk 53230) [x86_64-darwin14]
false
~~~
~~~
% ruby -v -r cgi -e 'p CGI.escapeHTML("".taint).tainted?'
ruby 2.2.4p230 (2015-12-16 revision 53155) [x86_64-darwin14]
true
% ruby -v -r cgi -e 'p CGI.escapeHTML("&".taint).tainted?'
ruby 2.2.4p230 (2015-12-16 revision 53155) [x86_64-darwin14]
true
% ruby -v -r cgi -e 'p CGI.escapeHTML("".freeze).frozen?'
ruby 2.2.4p230 (2015-12-16 revision 53155) [x86_64-darwin14]
false
% ruby -v -r cgi -e 'p CGI.escapeHTML("&".freeze).frozen?'
ruby 2.2.4p230 (2015-12-16 revision 53155) [x86_64-darwin14]
false
~~~
---Files--------------------------------
0001-Preserve-original-state-for-tainted-and-frozen.patch (1.88 KB)
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