This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--===============6051601854896344075==
Content-Type: multipart/signed; micalg=pgp-sha512;
 protocol="application/pgp-signature";
 boundary="wccgwgskCv2O2Qp1cAGXlb15iS6fF9rTw"

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--wccgwgskCv2O2Qp1cAGXlb15iS6fF9rTw
Content-Type: multipart/mixed;
 boundary="hOn9TIcIRdRcgPqoaCchgJUanJ5NklNJ0";
 protected-headers="v1"
From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <0edfd791-1516-3ed4-2182-685994824986@canonical.com>
Subject: [USN-3483-1] procmail vulnerability

--hOn9TIcIRdRcgPqoaCchgJUanJ5NklNJ0
Content-Type: text/plain; charset=utf-8
Content-Language: en-C
Content-Transfer-Encoding: quoted-printable

==========================================================================
Ubuntu Security Notice USN-3483-1
November 20, 2017

procmail vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

formail could be made to crash or run programs if it processed specially
crafted mail.

Software Description:
- procmail: Versatile e-mail processor

Details:

Jakub Wilk discovered that the formail tool incorrectly handled certain
malformed mail messages. An attacker could use this flaw to cause formail
to crash, resulting in a denial of service, or possibly execute arbitrary
code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 17.10:
  procmail                        3.22-25ubuntu0.17.10.1

Ubuntu 17.04:
  procmail                        3.22-25ubuntu0.17.04.1

Ubuntu 16.04 LTS:
  procmail                        3.22-25ubuntu0.16.04.1

Ubuntu 14.04 LTS:
  procmail                        3.22-21ubuntu0.2

In general, a standard system update will make all the necessary changes.

References:
  https://www.ubuntu.com/usn/usn-3483-1
  CVE-2017-16844

Package Information:
  https://launchpad.net/ubuntu/+source/procmail/3.22-25ubuntu0.17.10.1
  https://launchpad.net/ubuntu/+source/procmail/3.22-25ubuntu0.17.04.1
  https://launchpad.net/ubuntu/+source/procmail/3.22-25ubuntu0.16.04.1
  https://launchpad.net/ubuntu/+source/procmail/3.22-21ubuntu0.2



--hOn9TIcIRdRcgPqoaCchgJUanJ5NklNJ0--

--wccgwgskCv2O2Qp1cAGXlb15iS6fF9rTw
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=eZQy
-----END PGP SIGNATURE-----

--wccgwgskCv2O2Qp1cAGXlb15iS6fF9rTw--


--===============6051601854896344075==
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Content-Disposition: inline

LS0gCnVidW50dS1zZWN1cml0eS1hbm5vdW5jZSBtYWlsaW5nIGxpc3QKdWJ1bnR1LXNlY3VyaXR5
LWFubm91bmNlQGxpc3RzLnVidW50dS5jb20KTW9kaWZ5IHNldHRpbmdzIG9yIHVuc3Vic2NyaWJl
IGF0OiBodHRwczovL2xpc3RzLnVidW50dS5jb20vbWFpbG1hbi9saXN0aW5mby91YnVudHUtc2Vj
dXJpdHktYW5ub3VuY2UK

--===============6051601854896344075==--