ubuntu-security-announce Digest, Vol 94, Issue 13

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Today's Topics:

1. [USN-1518-1] Bind vulnerability (Marc Deslauriers)
2. [USN-1519-1] DHCP vulnerabilities (Marc Deslauriers)


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Message: 1
Date: Thu, 26 Jul 2012 10:33:26 -0400
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1518-1] Bind vulnerability
Message-ID: <1343313206.3879.31.camel@mdlinux>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-1518-1
July 26, 2012

bind9 vulnerability
==========================================================================

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

- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS

Summary:

Bind could be made to crash if it received specially crafted network
traffic.

Software Description:
- bind9: Internet Domain Name Server

Details:

Einar Lonn discovered that Bind incorrectly initialized the failing-query
cache. A remote attacker could use this flaw to cause Bind to crash,
resulting in a denial of service.

Update instructions:

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

Ubuntu 12.04 LTS:
libdns81 1:9.8.1.dfsg.P1-4ubuntu0.2

Ubuntu 11.10:
libdns69 1:9.7.3.dfsg-1ubuntu4.3

Ubuntu 11.04:
libdns69 1:9.7.3.dfsg-1ubuntu2.5

Ubuntu 10.04 LTS:
libdns64 1:9.7.0.dfsg.P1-1ubuntu0.6

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

References:
http://www.ubuntu.com/usn/usn-1518-1
CVE-2012-3817

Package Information:
https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.2
https://launchpad.net/ubuntu/+source/bind9/1:9.7.3.dfsg-1ubuntu4.3
https://launchpad.net/ubuntu/+source/bind9/1:9.7.3.dfsg-1ubuntu2.5
https://launchpad.net/ubuntu/+source/bind9/1:9.7.0.dfsg.P1-1ubuntu0.6


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Message: 2
Date: Thu, 26 Jul 2012 14:18:36 -0400
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1519-1] DHCP vulnerabilities
Message-ID: <1343326716.3879.51.camel@mdlinux>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-1519-1
July 26, 2012

isc-dhcp vulnerabilities
==========================================================================

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

- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04

Summary:

DHCP could be made to crash if it received specially crafted network
traffic.

Software Description:
- isc-dhcp: DHCP server and client

Details:

Markus Hietava discovered that the DHCP server incorrectly handled certain
malformed client identifiers. A remote attacker could use this issue to
cause DHCP to crash, resulting in a denial of service. (CVE-2012-3571)

Glen Eustace discovered that the DHCP server incorrectly handled memory. A
remote attacker could use this issue to cause DHCP to crash, resulting in a
denial of service. (CVE-2012-3954)

Update instructions:

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

Ubuntu 12.04 LTS:
isc-dhcp-server 4.1.ESV-R4-0ubuntu5.2

Ubuntu 11.10:
isc-dhcp-server 4.1.1-P1-17ubuntu10.3

Ubuntu 11.04:
isc-dhcp-server 4.1.1-P1-15ubuntu9.4

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

References:
http://www.ubuntu.com/usn/usn-1519-1
CVE-2012-3571, CVE-2012-3954

Package Information:
https://launchpad.net/ubuntu/+source/isc-dhcp/4.1.ESV-R4-0ubuntu5.2
https://launchpad.net/ubuntu/+source/isc-dhcp/4.1.1-P1-17ubuntu10.3
https://launchpad.net/ubuntu/+source/isc-dhcp/4.1.1-P1-15ubuntu9.4


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