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Bug #33805 simplexml_load_file() decodes the file name
Submitted: 2005-07-21 14:38 UTC Modified: 2005-07-21 14:49 UTC
From: phpbugs at pureftpd dot org Assigned:
Status: Not a bug Package: SimpleXML related
PHP Version: 5.0.4 OS: Any
Private report: No CVE-ID: None
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 [2005-07-21 14:38 UTC] phpbugs at pureftpd dot org
simplexml_load_file() decodes the argument that is supposed to 
be a file name.

It can be a security flaw. I was able to bypass the Overture 
adult filter of the search engine of a by 
abusing this.

Reproduce code:
simplexml_load_file('' . urlencode('b&c'));

It loads (which means that the value of 'a' is 'b' not 'b&c' as intended by the urlencode() call).

simplexml_load_file(rawurlencode('' . urlencode('b&c')));

Does the expected behavior and fetches the correct URL.

Expected result:
Either fix the documentation (the argument is not a file name, 
but a rawurlencoded one), or the function to behave like fopen
(), file_get_contents() and other similar functions.

Actual result:
URLs are decoded.


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 [2005-07-21 14:49 UTC]
Please do not submit the same bug more than once. An existing
bug report already describes this very problem. Even if you feel
that your issue is somewhat different, the resolution is likely
to be the same. 

Thank you for your interest in PHP.

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