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Ubuntu Security Notice USN-2340-1
September 04, 2014

procmail vulnerability

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

• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS
• Ubuntu 10.04 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:

Tavis Ormandy discovered that the formail tool incorrectly handled certain
malformed mail headers. 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 14.04 LTS:
procmail 3.22-21ubuntu0.1

Ubuntu 12.04 LTS:
procmail 3.22-19ubuntu0.1

Ubuntu 10.04 LTS:
procmail 3.22-18ubuntu1.1

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

References:
http://www.ubuntu.com/usn/usn-2340-1
CVE-2014-3618

Package Information:
https://launchpad.net/ubuntu/+source/procmail/3.22-21ubuntu0.1
https://launchpad.net/ubuntu/+source/procmail/3.22-19ubuntu0.1
https://launchpad.net/ubuntu/+source/procmail/3.22-18ubuntu1.1

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