Package: keepass2
Version: 2.34+dfsg-1
Severity: important

Dear Maintainer,

I've found out that when I run keepass2, mono is opening a local TCP port:

tcp        0      0 127.0.0.1:45231         0.0.0.0:*               LISTEN
23314/cli
tcp        0      0 127.0.0.1:57826         127.0.0.1:45231         ESTABLISHED
23314/cli
tcp        0      0 127.0.0.1:45231         127.0.0.1:57826         ESTABLISHED
23314/cli

Immediately I run wireshark to intercept the traffic. The channel is quiet, but
when I type a letter in keepass, a packet containing 0xFF as data is sent. I'm
attaching a pcap file of the session.

Closing the keepass leads to RST & closing the listening port.

last time I checked (some time ago) keepass wasn't listening to anything, what
has changed?

Auto-updates are stopped, I have no plugins with keepass, so it is supposed to
be a completely offline solution, except that now we have a strange port
listening while using the keepass.



-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 4.7.0-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages keepass2 depends on:
ii  libmono-corlib4.5-cil                4.2.1.102+dfsg2-8
ii  libmono-system-drawing4.0-cil        4.2.1.102+dfsg2-8
ii  libmono-system-security4.0-cil       4.2.1.102+dfsg2-8
ii  libmono-system-windows-forms4.0-cil  4.2.1.102+dfsg2-8
ii  libmono-system-xml4.0-cil            4.2.1.102+dfsg2-8
ii  libmono-system4.0-cil                4.2.1.102+dfsg2-8
ii  libx11-6                             2:1.6.3-1
ii  mono-runtime                         4.2.1.102+dfsg2-8

Versions of packages keepass2 recommends:
ii  xsel  1.2.0-2

Versions of packages keepass2 suggests:
pn  keepass2-doc  <none>
pn  mono-dmcs     <none>
pn  xdotool       <none>

-- no debconf information

Attachment: keepass2-34.pcapng
Description: Binary data

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