ubuntu-security-announce Digest, Vol 115, Issue 12

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Today's Topics:

1. [USN-2182-1] QEMU vulnerabilities (Marc Deslauriers)
2. [USN-2183-1] dpkg vulnerability (Marc Deslauriers)


----------------------------------------------------------------------

Message: 1
Date: Mon, 28 Apr 2014 09:31:25 -0400
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2182-1] QEMU vulnerabilities
Message-ID: <535E582D.3010702@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-2182-1
April 28, 2014

qemu, qemu-kvm vulnerabilities
==========================================================================

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

- Ubuntu 14.04 LTS
- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in QEMU.

Software Description:
- qemu: Machine emulator and virtualizer
- qemu-kvm: Machine emulator and virtualizer

Details:

Michael S. Tsirkin discovered that QEMU incorrectly handled vmxnet3
devices. A local guest could possibly use this issue to cause a denial of
service, or possibly execute arbitrary code on the host. This issue only
applied to Ubuntu 13.10 and Ubuntu 14.04 LTS. (CVE-2013-4544)

Michael S. Tsirkin discovered that QEMU incorrectly handled virtio-net
MAC addresses. A local guest could possibly use this issue to cause a
denial of service, or possibly execute arbitrary code on the host.
(CVE-2014-0150)

Beno?t Canet discovered that QEMU incorrectly handled SMART self-tests. A
local guest could possibly use this issue to cause a denial of service, or
possibly execute arbitrary code on the host. (CVE-2014-2894)

Update instructions:

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

Ubuntu 14.04 LTS:
qemu-system 2.0.0~rc1+dfsg-0ubuntu3.1
qemu-system-aarch64 2.0.0~rc1+dfsg-0ubuntu3.1
qemu-system-arm 2.0.0~rc1+dfsg-0ubuntu3.1
qemu-system-mips 2.0.0~rc1+dfsg-0ubuntu3.1
qemu-system-misc 2.0.0~rc1+dfsg-0ubuntu3.1
qemu-system-ppc 2.0.0~rc1+dfsg-0ubuntu3.1
qemu-system-sparc 2.0.0~rc1+dfsg-0ubuntu3.1
qemu-system-x86 2.0.0~rc1+dfsg-0ubuntu3.1

Ubuntu 13.10:
qemu-system 1.5.0+dfsg-3ubuntu5.4
qemu-system-arm 1.5.0+dfsg-3ubuntu5.4
qemu-system-mips 1.5.0+dfsg-3ubuntu5.4
qemu-system-misc 1.5.0+dfsg-3ubuntu5.4
qemu-system-ppc 1.5.0+dfsg-3ubuntu5.4
qemu-system-sparc 1.5.0+dfsg-3ubuntu5.4
qemu-system-x86 1.5.0+dfsg-3ubuntu5.4

Ubuntu 12.10:
qemu-kvm 1.2.0+noroms-0ubuntu2.12.10.7

Ubuntu 12.04 LTS:
qemu-kvm 1.0+noroms-0ubuntu14.14

Ubuntu 10.04 LTS:
qemu-kvm 0.12.3+noroms-0ubuntu9.22

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2182-1
CVE-2013-4544, CVE-2014-0150, CVE-2014-2894

Package Information:
https://launchpad.net/ubuntu/+source/qemu/2.0.0~rc1+dfsg-0ubuntu3.1
https://launchpad.net/ubuntu/+source/qemu/1.5.0+dfsg-3ubuntu5.4
https://launchpad.net/ubuntu/+source/qemu-kvm/1.2.0+noroms-0ubuntu2.12.10.7
https://launchpad.net/ubuntu/+source/qemu-kvm/1.0+noroms-0ubuntu14.14
https://launchpad.net/ubuntu/+source/qemu-kvm/0.12.3+noroms-0ubuntu9.22


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Message: 2
Date: Mon, 28 Apr 2014 09:31:49 -0400
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2183-1] dpkg vulnerability
Message-ID: <535E5845.4060101@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-2183-1
April 28, 2014

dpkg vulnerability
==========================================================================

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

- Ubuntu 14.04 LTS
- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

A malicious source package could write files outside the unpack directory.

Software Description:
- dpkg: Debian package management system

Details:

Jakub Wilk discovered that dpkg incorrectly certain paths and symlinks when
unpacking source packages. If a user or an automated system were tricked
into unpacking a specially crafted source package, a remote attacker could
modify files outside the target unpack directory, leading to a denial of
service or potentially gaining access to the system.

Update instructions:

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

Ubuntu 14.04 LTS:
libdpkg-perl 1.17.5ubuntu5.1

Ubuntu 13.10:
libdpkg-perl 1.16.12ubuntu1.1

Ubuntu 12.10:
libdpkg-perl 1.16.7ubuntu6.1

Ubuntu 12.04 LTS:
libdpkg-perl 1.16.1.2ubuntu7.3

Ubuntu 10.04 LTS:
dpkg-dev 1.15.5.6ubuntu4.7

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

References:
http://www.ubuntu.com/usn/usn-2183-1
CVE-2014-0471

Package Information:
https://launchpad.net/ubuntu/+source/dpkg/1.17.5ubuntu5.1
https://launchpad.net/ubuntu/+source/dpkg/1.16.12ubuntu1.1
https://launchpad.net/ubuntu/+source/dpkg/1.16.7ubuntu6.1
https://launchpad.net/ubuntu/+source/dpkg/1.16.1.2ubuntu7.3
https://launchpad.net/ubuntu/+source/dpkg/1.15.5.6ubuntu4.7


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