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Ubuntu Security Notice USN-3483-2

Ubuntu Security Notice USN-3483-2
Posted Nov 21, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3483-2 - USN-3483-1 fixed a vulnerability in procmail. This update provides the corresponding update for Ubuntu 12.04 ESM. 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. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-16844
MD5 | 836e0dd8e3cbe0a7357e84930c695d35

Ubuntu Security Notice USN-3483-2

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