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Category:   Application (Web Browser)  >   Opera Vendors:   Opera Software
Opera Browser 'Location' Header Flaw Lets Remote Users Crash the Browser
SecurityTracker Alert ID:  1007319
SecurityTracker URL:
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Jul 28 2003
Impact:   Denial of service via network
Exploit Included:  Yes  
Version(s): 6.12, 7.0
Description:   A denial of service vulnerability was reported in the Opera web browser in the processing of redirect URLs. A remote user can cause the target user's browser to crash.

dodo ( reported that a remote user can send an HTTP response that includes a specially crafted 'Location' redirect header. When the HTTP response is loaded by the target user, the target user's browser will crash, according to the report.

A demonstration exploit PHP script is provided:

for($i=0; 20000+10000>$i; $i++) $prot.="A";
header("Location: $prot://dd");

Impact:   A remote user can create an HTTP response that will crash the browser.
Solution:   No solution was available at the time of this entry.
Vendor URL: (Links to External Site)
Cause:   Not specified
Underlying OS:  BeOS, Linux (Any), Apple (Legacy "classic" Mac), QNX, UNIX (FreeBSD), UNIX (macOS/OS X), UNIX (Solaris - SunOS), Windows (Any)
Underlying OS Comments:  Confirmed on Slackware Linux

Message History:   None.

 Source Message Contents

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