Re: [FD] heartbleed OpenSSL bug CVE-2014-0160

[Menso Heus <heus@xxxxxxxxxxxxxxxxxxxxxx>]

On 10 apr. 2014, at 00:32, Craig Holmes <craig@xxxxxxxxxxxxxxxxxx> wrote:

> On April 8, 2014 10:21:34 AM Matthew Musingo wrote:
>> Even if your systems were patched  an attacker could have already attained
>> the secrets.
>> 
>> Certs and other sensitive information need to be reconsidered for
>> replacement or changed
> How realistic is it that an attacker would be able to glean passwords through 
> this vulnerability? Programatically searching through 64k memory dumps for 
> certificates seems plausible, but looking for passwords does not. A password 
> is 
> of no pre-determined length or format. So unless you know what strings are 
> wrapped around it (and those strings are reliably presented), isn't the loss 
> of some types of sensitive information.... unlikely?

From poking at a very popular free e-mail service that only recently patched, 
here's an example of some of the data that got returned:

/config/pwtoken_get?src=emailimap&ts=12345&login=foo&passwd=bar&

As you can see, figuring out what strings are wrapped around it is trivial and 
I am assuming that there are people out there who did nothing but trying to
extract this information in an automized way. Cookies too got passed this way.

Change your passwords :)

Menso





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