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RESOLVED FIXED
26899
XSSAuditor shouldn't strip control characters
https://bugs.webkit.org/show_bug.cgi?id=26899
Summary
XSSAuditor shouldn't strip control characters
Adam Barth
Reported
2009-07-01 13:21:57 PDT
Test case:
https://xenon.stanford.edu/~collinj/test/ie8xss/xsstest.php?q
=<script>alert(/XSS/)//h%01</script>
Attachments
Patch with test
(7.16 KB, patch)
2009-07-01 17:35 PDT
,
Daniel Bates
abarth
: review+
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proposed patch, testcase, etc.
Daniel Bates
Comment 1
2009-07-01 17:35:09 PDT
Created
attachment 32165
[details]
Patch with test Upon further investigation, we need to remove null characters, since the HTMLTokenizer does in processing scripts (i.e. the contents of <script>al\0ert(1)</script> becomes alert(1) by the time it is passed to XSSAuditor). Let me know if this change is better addressed in a separate bug.
Adam Barth
Comment 2
2009-07-01 18:26:33 PDT
Comment on
attachment 32165
[details]
Patch with test Great patch. Thanks.
Adam Barth
Comment 3
2009-07-01 18:36:18 PDT
Sending LayoutTests/ChangeLog Adding LayoutTests/http/tests/security/xssAuditor/script-tag-control-char-expected.txt Adding LayoutTests/http/tests/security/xssAuditor/script-tag-control-char.html Adding LayoutTests/http/tests/security/xssAuditor/script-tag-null-char-expected.txt Adding LayoutTests/http/tests/security/xssAuditor/script-tag-null-char.html Sending WebCore/ChangeLog Sending WebCore/page/XSSAuditor.cpp Sending WebCore/page/XSSAuditor.h Sending WebCore/platform/network/ResourceResponseBase.cpp Sending WebCore/platform/network/ResourceResponseBase.h Transmitting file data .......... Committed revision 45461.
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