[CVE-2015-7755] Backdoor in Juniper/ScreenOS

Steven M. Bellovin smb at cs.columbia.edu
Fri Dec 18 17:03:40 UTC 2015


On 18 Dec 2015, at 11:52, Steven M. Bellovin wrote:

> On 18 Dec 2015, at 7:28, Dave Taht wrote:
>
>> I think "unauthorized code" is still plausible newspeak for "bug".
>>
>> Why blame finger foo when you can blame terrorists?
>
> It looks like two different holes, one a back door for unauthorized
> console login and one to somehow leak VPN encryption keys.  There are
> hints that that latter involved tinkering with certain constants in
> the crypto (https://twitter.com/matthew_d_green/status/677871004354371584);
> that would squarely point the finger at some government's intelligence
> agency.
>
> I don't know who did it, but neither 'bug' nor 'developer debugging
> code' sounds plausible here.

https://twitter.com/sweis/status/677896363070259200




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