[security] HTTP and HTTPS URL issue (was RE: security)

Pete Rowley prowley at redhat.com
Fri Oct 27 18:49:13 UTC 2006


Martin Atkins wrote:
> Dan Lyke wrote:
>   
>> On Fri, 27 Oct 2006 10:57:25 -0700, Martin Atkins wrote:
>>     
>>> No, it does not. Compromising the HTTP URL does *not* compromise the
>>> HTTPS URL in any sense.
>>>       
>> But if you have control over the DNS when the HTTP URL is requested  
>> (which is what HTTPS protects against in this instance), you can  
>> redirect it to any HTTPS URL you wish, and that resulting URL becomes  
>> the claimed identifier.
>>
>>     
>
> All you achieve in that case is (at worst) causing the legitimate user 
> to log in as a different identifier.
>   
>
That was the point of the original attack - causing someone to log into 
an account controlled by the attacker. Presumably the value to the 
attacker is in what the user does next, like upload something, or 
disclose information.

-- 
Pete

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