<s>
Cable	B-Language
Haunt	I-Language
is	O
the	O
code	O
name	O
assigned	O
to	O
represent	O
two	O
separate	O
vulnerabilities	O
that	O
affect	O
many	O
of	O
the	O
cable	B-Device
modems	I-Device
in	O
use	O
around	O
the	O
world	O
in	O
2020	O
.	O
</s>
<s>
These	O
vulnerabilities	O
allow	O
an	O
attacker	O
to	O
obtain	O
external	O
access	O
to	O
a	O
cable	B-Device
modem	I-Device
and	O
perform	O
any	O
number	O
of	O
activities	O
intended	O
to	O
modify	O
the	O
operation	O
of	O
,	O
or	O
monitor	O
the	O
data	O
passing	O
through	O
a	O
cable	B-Device
modem	I-Device
.	O
</s>
<s>
The	O
problem	O
lies	O
with	O
the	O
Broadcom	O
system-on-a-chip	O
,	O
which	O
is	O
used	O
in	O
many	O
cable	B-Device
modems	I-Device
,	O
specifically	O
with	O
the	O
software	O
running	O
the	O
spectrum	O
analyzer	O
,	O
which	O
protects	O
against	O
any	O
power	O
surges	O
in	O
the	O
cable	O
signal	O
.	O
</s>
<s>
It	O
exposes	O
an	O
unsecured	O
WebSockets	B-Protocol
interface	O
that	O
Cable	B-Language
Haunt	I-Language
can	O
reach	O
using	O
JavaScript	B-Language
run	O
in	O
a	O
victim	O
's	O
browser	O
.	O
</s>
<s>
Modems	O
impacted	O
by	O
Cable	B-Language
Haunt	I-Language
give	O
remote	O
attackers	O
full	O
(	O
kernel	O
level	O
)	O
control	O
over	O
the	O
cable	B-Device
modem	I-Device
,	O
allowing	O
them	O
to	O
potentially	O
:	O
</s>
<s>
Most	O
home	O
and	O
small	O
businesses	O
obtain	O
their	O
cable	B-Device
modems	I-Device
directly	O
from	O
their	O
Internet	O
service	O
providers	O
(	O
ISPs	O
)	O
.	O
</s>
<s>
In	O
situations	O
where	O
ISPs	O
control	O
the	O
patching	O
and	O
firmware	B-Application
updating	O
processes	O
,	O
subscribers	O
must	O
wait	O
for	O
cable	O
providers	O
to	O
receive	O
updated	O
firmware	B-Application
from	O
manufacturers	O
and	O
push	O
it	O
down	O
to	O
each	O
individual	O
modem	O
.	O
</s>
<s>
On	O
January	O
19	O
,	O
2020	O
Schrock	O
Innovations	O
,	O
a	O
computer	O
repair	O
company	O
based	O
in	O
Lincoln	O
,	O
Nebraska	O
,	O
released	O
executable	O
programs	O
for	O
x64	O
Windows	B-Application
systems	O
and	O
OS	B-Application
X	I-Application
systems	O
based	O
on	O
Lyrebirds	O
 '	O
original	O
JavaScript	B-Language
.	O
</s>
