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Ubuntu Security Notice USN-3483-1

Ubuntu Security Notice USN-3483-1
Posted Nov 20, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3483-1 - 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.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-16844
MD5 | 6b1a28393ccb7967f9b1e090c2b4aff9

Ubuntu Security Notice USN-3483-1

Change Mirror Download
==========================================================================
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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