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Bug #2477 Possible strip_tags() and fgetss() vulnerability
Submitted: 1999-10-10 00:42 UTC Modified: 1999-12-26 11:22 UTC
From: deicide at gameaholic dot com Assigned:
Status: Closed Package: Other
PHP Version: 3.0.12 OS:
Private report: No CVE-ID: None
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 [1999-10-10 00:42 UTC] deicide at gameaholic dot com 
Last week a "mis-feature" was reported on Bugtraq regarding some Netscape versions that treat 0x8b and 0x9b characters as [less than] and [greater than] signs.

I do not personally have a platform that was confirmed to be vulnerable so I can't actually test this under PHP, but the issue seems to be quite easy to fix.  The thread on Bugtraq can be viewed at the link below. The fix would be to modify strip_tags() and fgetss() functions to tread 0x8b and 0x9b characters equally to [less than] and [greater than] characters while parsing out HTML tags.

http://www.securityfocus.org/templates/archive.pike?list=1&date=1999-10-01&thread=Pine.SGI.4.05.9910051008450.149247-100000@tiger.coe.missouri.edu

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 [1999-12-26 11:22 UTC] rasmus at cvs dot php dot net 
This is not applicable to PHP
 
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