http password

Alex Rice alex at mindlube.com
Fri Feb 13 14:23:04 EST 2004


On Feb 3, 2004, at 1:08 PM, Zac Elston wrote:

> i have a url that is
> "http://username:password@hostname/path/file.pl?var1=foo

Ugh. This format of URL may no longer be usable. I just read that good 
'old Microsoft is breaking RFCs for URLs which could make make your job 
hell if you are a web developer:

<http://www.infoworld.com/article/04/01/29/HNiechange_1.html>

"""...a recently-discovered flaw in the way that IE parses URLs allows 
scam artists to completely replace Web URLs that use the 
username:password@ formatting with a URL of their choosing, regardless 
of which Web page is actually displayed in IE. Microsoft was criticized 
in recent weeks for not moving to patch that vulnerability when it 
released its other January security updates.

Microsoft, like many other browser makers, based its support of the 
username:password@ syntax on Internet standards documents, such as 
Internet Engineering Task Force (IETF) documents RFC (Request For 
Comments)1738, which specifies how URLs on the Internet should be 
formatted, and RFC 2616 that specifies how HTTP URLs should be 
formatted, Fitzgerald said.

  The change announced on Tuesday will violate some of those 
specifications, but benefit consumers, according to Russ Cooper, 
TruSecure Corp. Surgeon General and moderator of the NTBugtraq security 
discussion group.

  "No doubt some who will cry foul...or sob because needed functionality 
is now gone or Web sites have to be recoded," Cooper wrote in a message 
posted to NTBugtraq Wednesday. "To them I say a big 'Too bad!'. The 
average user, the victim of phishing scams, isn't going to miss the 
functionality but will happily miss the scams."

  That said, Microsoft should try to find a way to safely handle URLs 
with passwords in them, Cooper said."""

--
Alex Rice | Mindlube Software | http://mindlube.com



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