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From: Chris Coulson <chris.coulson@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <5e37505f-7081-d898-b810-7cdd6dc21fcd@canonical.com>
Subject: [USN-3341-1] Systemd vulnerability

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==========================================================================
Ubuntu Security Notice USN-3341-1
June 27, 2017

systemd vulnerability
==========================================================================

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

- Ubuntu 17.04
- Ubuntu 16.10

Summary:

systemd-resolved could be made to crash or run programs if it received
a specially crafted DNS response.

Software Description:
- systemd: system and service manager

Details:

An out-of-bounds write was discovered in systemd-resolved when handling
specially crafted DNS responses. A remote attacker could potentially
exploit this to cause a denial of service (daemon crash) or execute
arbitrary code. (CVE-2017-9445)

Update instructions:

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

Ubuntu 17.04:
  systemd                         232-21ubuntu5

Ubuntu 16.10:
  systemd                         231-9ubuntu5

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

References:
  https://www.ubuntu.com/usn/usn-3341-1
  CVE-2017-9445, https://launchpad.net/bugs/1695546

Package Information:
  https://launchpad.net/ubuntu/+source/systemd/232-21ubuntu5
  https://launchpad.net/ubuntu/+source/systemd/231-9ubuntu5



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