full-disclosure - Openware.org IE Fix

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From: helmut_hauser at hotmail.com (helmut hauser)
Subject: Openware.org IE Fix - Withdrawn

And this is NO stupid thread ...

Open source' IE patch withdrawn for further patching

Quote:

The third-party 'open source' patch for Internet Explorer that we told you 
about earlier today, contains more than a few potentially nasty surprises. 
As we noted, German tech site Heise had already warned of dangerous buffer 
overflows. Openwares.org, a month-old site which boasts "Software is free" 
today published source code and a binary executable purporting to fix a 
loophole in Internet Explorer for Windows. It's unusual, but not 
unprecedented, for third parties to issue their own fixes for Microsoft's 
exploit-riddled browser. But Heise advises that this patch could be more 
trouble than it's worth, and the fix has already been taken in for some 
maintenance.

"This patch addresses a vulnerability in Microsoft Internet Explorer that 
could allow Hackers and con-artists to to display a fake URL in the address 
and status bars. The vulnerability is caused due to an input validation 
error, which can be exploited by including the "%01" and "%00" URL encoded 
representations after the username and right before the "@" character in an 
URL," according to a release note accompanying the patch. Unfortunately, the 
authors of the patch also enabled a Windows Registry key used by spyware. 
IEmsg.dll. "When we're absulotly [sic] sure that the code is bulletproof 
we'll re-release it," says Openwares's forum administrator.

News Source:

http://www.theregister.co.uk/content/55/34618.html

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