==========================================================================
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

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==========================================================================

Ubuntu Security Notice USN-3483-2

November 21, 2017

 

procmail vulnerability

==========================================================================

 

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

 

– Ubuntu 12.04 ESM

 

Summary:

 

formail could be made to crash or run programs if it processed

specially crafted mail.

 

Software Description:

– procmail: Versatile e-mail processor

 

Details:

 

USN-3483-1 fixed a vulnerability in procmail. This update provides the

corresponding update for Ubuntu 12.04 ESM.

 

Original advisory 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 12.04 ESM:

  procmail                        3.22-19ubuntu0.2

 

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

changes.

 

References:

  https://www.ubuntu.com/usn/usn-3483-2

  https://www.ubuntu.com/usn/usn-3483-1

  CVE-2017-16844

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