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Ubuntu Security Notice USN-3322-1

Ubuntu Security Notice USN-3322-1
Posted Jun 19, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3322-1 - It was discovered that Exim did not properly deallocate memory when processing certain command line arguments. A local attacker could use this in conjunction with another vulnerability to possibly execute arbitrary code and gain administrative privileges.

tags | advisory, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2017-1000369
SHA-256 | 91dac33c04bf4f77abf899743cfd413b34537fcac33053883f9d554f431ee119

Ubuntu Security Notice USN-3322-1

Change Mirror Download

===========================================================================
Ubuntu Security Notice USN-3322-1
June 19, 2017

exim4 vulnerability
===========================================================================

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

- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Exim could be made to run programs as an administrator.

Software Description:
- exim4: Exim is a mail transport agent

Details:

It was discovered that Exim did not properly deallocate memory when
processing certain command line arguments. A local attacker could use this
in conjunction with another vulnerability to possibly execute arbitrary
code and gain administrative privileges.

Update instructions:

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

Ubuntu 17.04:
exim4-daemon-heavy 4.88-5ubuntu1.1
exim4-daemon-light 4.88-5ubuntu1.1

Ubuntu 16.10:
exim4-daemon-heavy 4.87-3ubuntu1.2
exim4-daemon-light 4.87-3ubuntu1.2

Ubuntu 16.04 LTS:
exim4-daemon-heavy 4.86.2-2ubuntu2.2
exim4-daemon-light 4.86.2-2ubuntu2.2

Ubuntu 14.04 LTS:
exim4-daemon-heavy 4.82-3ubuntu2.3
exim4-daemon-light 4.82-3ubuntu2.3

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

References:
https://www.ubuntu.com/usn/usn-3322-1
CVE-2017-1000369

Package Information:
https://launchpad.net/ubuntu/+source/exim4/4.88-5ubuntu1.1
https://launchpad.net/ubuntu/+source/exim4/4.87-3ubuntu1.2
https://launchpad.net/ubuntu/+source/exim4/4.86.2-2ubuntu2.2
https://launchpad.net/ubuntu/+source/exim4/4.82-3ubuntu2.3



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