<s>
KDE	B-Language
Wallet	I-Language
Manager	O
(	O
KWallet	B-Language
)	O
is	O
free	O
and	O
open-source	O
password	O
management	O
software	O
written	O
in	O
C++	B-Language
for	O
UNIX-style	O
operating	O
systems	O
.	O
</s>
<s>
KDE	B-Language
Wallet	I-Language
Manager	O
runs	O
on	O
a	O
Linux-based	O
OS	O
and	O
Its	O
main	O
feature	O
is	O
storing	O
encrypted	O
passwords	O
in	O
KDE	B-Language
Wallets	I-Language
.	O
</s>
<s>
The	O
main	O
feature	O
of	O
KDE	B-Language
wallet	I-Language
manager	O
(	O
KWallet	B-Language
)	O
is	O
to	O
collect	O
user	O
's	O
credentials	O
such	O
as	O
passwords	O
or	O
IDs	O
and	O
encrypt	O
them	O
through	O
Blowfish	O
symmetric	O
block	O
cipher	O
algorithm	O
or	O
GNU	O
Privacy	O
Guard	O
encryption	O
.	O
</s>
<s>
KDE	B-Language
Wallet	I-Language
Manager	O
(	O
KWallet	B-Language
)	O
requires	O
a	O
Linux-based	O
OS	O
and	O
the	O
KDE	B-Language
Software	I-Language
Compilation	I-Language
desktop	O
environment	O
such	O
as	O
Kubuntu	O
.	O
</s>
<s>
KDE	B-Language
Wallet	I-Language
manager	O
(	O
KWallet	B-Language
)	O
can	O
be	O
integrated	O
with	O
various	O
web	O
browsers	O
including	O
Chrome	O
,	O
Firefox	O
,	O
Opera	O
,	O
and	O
Edge	O
.	O
</s>
<s>
To	O
use	O
KDE	B-Language
Wallet	I-Language
manager	O
(	O
KWallet	B-Language
)	O
integration	O
on	O
Google	O
Chrome	O
or	O
Chromium	O
,	O
user	O
needs	O
to	O
run	O
a	O
program	O
with	O
argument	O
--password-store	O
=	O
kwallet5	O
or	O
--password-store	O
=	O
detect	O
.	O
</s>
<s>
This	O
addon	O
allows	O
users	O
to	O
store	O
passwords	O
internally	O
through	O
KDE	B-Language
Wallet	I-Language
manager	O
(	O
KWallet	B-Language
)	O
instead	O
of	O
the	O
default	O
Firefox	O
password	O
manager	O
.	O
</s>
<s>
Konqueror	O
,	O
the	O
official	O
web	O
browser	O
of	O
the	O
K	B-Language
Desktop	I-Language
Environment	I-Language
(	O
KDE	B-Application
)	O
features	O
KDE	B-Language
Wallet	I-Language
manager	O
(	O
KWallet	B-Language
)	O
to	O
store	O
sensitive	O
passwords	O
encrypted	O
.	O
</s>
<s>
KDE	B-Language
Wallet	I-Language
Manager	O
’s	O
APIs	O
trigger	O
authentication	O
events	O
when	O
the	O
application	O
makes	O
a	O
request	O
through	O
Desktop	O
Communications	O
protocol	O
(	O
DCOP	O
)	O
,	O
which	O
is	O
KDE	B-Application
’s	O
primary	O
interprocess	O
communication	O
(	O
IPC	O
)	O
mechanism	O
,	O
which	O
causes	O
a	O
password	O
dialog	O
box	O
to	O
be	O
displayed	O
for	O
the	O
application	O
.	O
</s>
<s>
This	O
causes	O
the	O
password	O
dialog	O
box	O
to	O
be	O
launched	O
by	O
the	O
KDE	B-Application
daemon	O
process	O
.	O
</s>
<s>
KDE	B-Language
Wallet	I-Language
Manager	O
’s	O
Desktop	O
communications	O
protocol	O
(	O
DCOP	O
)	O
can	O
only	O
be	O
accessed	O
locally	O
because	O
it	O
is	O
an	O
interprocess	O
communication	O
(	O
IPC	O
)	O
protocol	O
that	O
is	O
processed	O
over	O
UNIX	O
local	O
sockets	O
.	O
</s>
<s>
On	O
KDE	B-Language
Wallet	I-Language
Manager	O
’s	O
GUI	O
,	O
users	O
can	O
manage	O
every	O
wallet	O
and	O
password	O
assigned	O
to	O
them	O
.	O
</s>
<s>
KDE	B-Language
Wallet	I-Language
Manager	O
allows	O
users	O
to	O
save	O
or	O
delete	O
Wallets	O
and	O
users	O
can	O
identify	O
which	O
wallet	O
applications	O
should	O
look	O
in	O
when	O
attempting	O
to	O
access	O
a	O
stored	O
password	O
.	O
</s>
<s>
These	O
are	O
the	O
lists	O
of	O
actions	O
that	O
users	O
can	O
take	O
on	O
the	O
GUI	O
of	O
KDE	B-Language
Wallet	I-Language
manager	O
(	O
KWallet	B-Language
)	O
:	O
</s>
<s>
The	O
Wallet	O
is	O
a	O
term	O
for	O
password	O
storage	O
used	O
in	O
KDE	B-Language
Wallet	I-Language
Manager	O
software	O
.	O
</s>
<s>
Wallets	O
can	O
be	O
created	O
manually	O
by	O
the	O
user	O
or	O
It	O
is	O
offered	O
by	O
dialogue	O
when	O
the	O
user	O
enters	O
in	O
a	O
password	O
on	O
any	O
KDE	B-Language
desktop	I-Language
environment	I-Language
or	O
website	O
.	O
</s>
<s>
Users	O
can	O
manage	O
wallets	O
on	O
their	O
own	O
KDE	B-Language
Wallet	I-Language
Manager	O
window	O
.	O
</s>
<s>
The	O
data	O
stored	O
by	O
the	O
KDE	B-Language
Wallet	I-Language
manager	O
can	O
be	O
encrypted	O
in	O
two	O
major	O
ways	O
.	O
</s>
<s>
KDE	B-Language
Wallet	I-Language
manager	O
encrypts	O
the	O
data	O
stored	O
in	O
the	O
wallet	O
using	O
the	O
Blowfish	O
symmetric	O
block	O
cipher	O
algorithm	O
in	O
CBC	O
mode	O
.	O
</s>
<s>
KDE	B-Language
Wallet	I-Language
manager	O
’s	O
blowfish	O
encryption	O
provides	O
faster	O
encryption	O
compared	O
to	O
Khufu	O
,	O
RC5	O
,	O
DES	O
,	O
IDEA	O
,	O
and	O
Trip-DES	O
.	O
</s>
<s>
KDE	B-Language
Wallet	I-Language
manager	O
’s	O
Blowfish	O
algorithm	O
can	O
be	O
executed	O
in	O
memory	O
within	O
5k	O
,	O
and	O
a	O
simple	O
structure	O
is	O
easy	O
to	O
implement	O
and	O
easy	O
to	O
determine	O
the	O
strength	O
of	O
the	O
algorithm	O
.	O
</s>
<s>
Using	O
KDE	B-Language
Wallet	I-Language
manager	O
(	O
KWallet	B-Language
)	O
may	O
ease	O
the	O
management	O
of	O
the	O
passwords	O
but	O
It	O
does	O
not	O
provide	O
greater	O
security	O
conditions	O
to	O
user	O
's	O
system	O
.	O
</s>
<s>
Since	O
the	O
directory	O
of	O
encrypted	O
files	O
of	O
KDE	B-Language
wallet	I-Language
manager	O
(	O
KWallet	B-Language
)	O
are	O
located	O
in	O
predictable	O
files	O
,	O
It	O
might	O
be	O
vulnerable	O
to	O
viruses	O
or	O
worms	O
those	O
are	O
programmed	O
to	O
aim	O
password	O
management	O
system	O
itself	O
.	O
</s>
<s>
SHA-1	O
hash	O
function	O
that	O
is	O
used	O
in	O
KDE	B-Language
Wallet	I-Language
manager	O
(	O
KWallet	B-Language
)	O
is	O
cryptographically	O
broken	O
.	O
</s>
<s>
Various	O
Companies	O
including	O
Microsoft	O
has	O
discontinued	O
SHA-1	O
supports	O
however	O
KDE	B-Language
Wallet	I-Language
manager	O
(	O
KWallet	B-Language
)	O
uses	O
SHA512	O
in	O
versions	O
higher	O
than	O
4.13	O
or	O
with	O
Pluggable	O
authentication	O
module	O
or	O
it	O
uses	O
SHA-1	O
hash	O
function	O
.	O
</s>
<s>
"	O
kwallet-pam	O
in	O
KDE	B-Application
KWallet	B-Language
before	O
5.12.6	O
allows	O
local	O
users	O
to	O
obtain	O
ownership	O
of	O
arbitrary	O
files	O
via	O
a	O
symlink	O
attack.	O
"	O
</s>
<s>
"	O
fishProtocol::establishConnection	O
in	O
fish/fish.cpp	O
in	O
KDE	B-Application
kio-extras	O
through	O
20.04.0	O
makes	O
a	O
cacheAuthentication	O
call	O
even	O
if	O
the	O
user	O
had	O
not	O
set	O
the	O
keepPassword	O
option	O
.	O
</s>
<s>
This	O
may	O
lead	O
to	O
unintended	O
KWallet	B-Language
storage	O
of	O
a	O
password.	O
"	O
</s>
<s>
"	O
kwalletd	O
in	O
KWallet	B-Language
before	O
KDE	B-Application
Applications	O
14.12.0	O
uses	O
Blowfish	O
with	O
ECB	O
mode	O
instead	O
of	O
CBC	O
mode	O
when	O
encrypting	O
the	O
password	O
store	O
,	O
which	O
makes	O
it	O
easier	O
for	O
attackers	O
to	O
guess	O
passwords	O
via	O
a	O
codebook	O
attack.	O
"	O
</s>
<s>
The	O
overflow	O
is	O
caused	O
by	O
a	O
g10/key	O
-check.c	O
error	O
.	O
</s>
<s>
"	O
Use-after-free	O
vulnerability	O
in	O
kbx/keybox	O
-blob.c	O
in	O
GPGSM	O
in	O
GnuPG	O
2.x	O
through	O
2.0.16	O
allows	O
remote	O
attackers	O
to	O
cause	O
a	O
denial	O
of	O
service	O
(	O
crash	O
)	O
and	O
possibly	O
execute	O
arbitrary	O
code	O
via	O
a	O
certificate	O
with	O
a	O
large	O
number	O
of	O
Subject	O
Alternate	O
Names	O
,	O
which	O
is	O
not	O
properly	O
handled	O
in	O
a	O
realloc	O
operation	O
when	O
importing	O
the	O
certificate	O
or	O
verifying	O
its	O
signature.	O
"	O
</s>
<s>
"	O
mainproc.c	O
in	O
GnuPG	O
before	O
2.2.8	O
mishandles	O
the	O
original	O
filename	O
during	O
decryption	O
and	O
verification	O
actions	O
,	O
which	O
allows	O
remote	O
attackers	O
to	O
spoof	O
the	O
output	O
that	O
GnuPG	O
sends	O
on	O
file	O
descriptor	O
2	O
to	O
other	O
programs	O
that	O
use	O
the	O
"	O
--status-fd	O
2	O
"	O
option	O
.	O
</s>
<s>
"	O
Heap-based	O
buffer	O
overflow	O
in	O
the	O
ask_outfile_name	O
function	O
in	O
openfile.c	O
for	O
GnuPG	O
(	O
gpg	O
)	O
1.4	O
and	O
2.0	O
,	O
when	O
running	O
interactively	O
,	O
might	O
allow	O
attackers	O
to	O
execute	O
arbitrary	O
code	O
via	O
messages	O
with	O
"	O
C-escape	O
"	O
expansions	O
,	O
which	O
cause	O
the	O
make_printable_string	O
function	O
to	O
return	O
a	O
longer	O
string	O
than	O
expected	O
while	O
constructing	O
a	O
prompt.	O
"	O
</s>
<s>
"	O
mainproc.c	O
in	O
GnuPG	O
before	O
2.2.8	O
mishandles	O
the	O
original	O
filename	O
during	O
decryption	O
and	O
verification	O
actions	O
,	O
which	O
allows	O
remote	O
attackers	O
to	O
spoof	O
the	O
output	O
that	O
GnuPG	O
sends	O
on	O
file	O
descriptor	O
2	O
to	O
other	O
programs	O
that	O
use	O
the	O
"	O
--status-fd	O
2	O
"	O
option	O
.	O
</s>
<s>
"	O
kbx/keybox	O
-search.c	O
in	O
GnuPG	O
before	O
1.4.19	O
,	O
2.0.x	O
before	O
2.0.27	O
,	O
and	O
2.1.x	O
before	O
2.1.2	O
does	O
not	O
properly	O
handle	O
bitwise	O
left-shifts	O
,	O
which	O
allows	O
remote	O
attackers	O
to	O
cause	O
a	O
denial	O
of	O
service	O
(	O
invalid	O
read	O
operation	O
)	O
via	O
a	O
crafted	O
keyring	O
file	O
,	O
related	O
to	O
sign	O
extensions	O
and	O
"	O
memcpy	O
with	O
overlapping	O
ranges.	O
"	O
</s>
