ubuntu-security-announce Digest, Vol 116, Issue 11

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Today's Topics:

1. [USN-2219-1] Linux kernel vulnerabilities (John Johansen)
2. [USN-2220-1] Linux kernel (EC2) vulnerabilities (John Johansen)
3. [USN-2221-1] Linux kernel vulnerabilities (John Johansen)
4. [USN-2222-1] mod_wsgi vulnerabilities (Seth Arnold)
5. [USN-2223-1] Linux kernel (Quantal HWE) vulnerabilities
(John Johansen)


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

Message: 1
Date: Mon, 26 May 2014 14:16:35 +0200
From: John Johansen <john.johansen@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2219-1] Linux kernel vulnerabilities
Message-ID: <538330A3.5050304@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-2219-1
May 26, 2014

linux vulnerabilities
==========================================================================

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

- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux: Linux kernel

Details:

Matthew Daley reported an information leak in the floppy disk driver of the
Linux kernel. An unprivileged local user could exploit this flaw to obtain
potentially sensitive information from kernel memory. (CVE-2014-1738)

Matthew Daley reported a flaw in the handling of ioctl commands by the
floppy disk driver in the Linux kernel. An unprivileged local user could
exploit this flaw to gain administrative privileges if the floppy disk
module is loaded. (CVE-2014-1737)

A flaw was discovered in the Reliable Datagram Sockets (RDS) protocol
implementation in the Linux kernel for systems that lack RDS transports. An
unprivileged local user could exploit this flaw to cause a denial of
service (system crash). (CVE-2013-7339)

An error was discovered in the Reliable Datagram Sockets (RDS) protocol
stack in the Linux kernel. A local user could exploit this flaw to cause a
denial of service (system crash) or possibly have unspecified other impact.
(CVE-2014-2678)

Update instructions:

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

Ubuntu 10.04 LTS:
linux-image-2.6.32-60-386 2.6.32-60.122
linux-image-2.6.32-60-generic 2.6.32-60.122
linux-image-2.6.32-60-generic-pae 2.6.32-60.122
linux-image-2.6.32-60-ia64 2.6.32-60.122
linux-image-2.6.32-60-lpia 2.6.32-60.122
linux-image-2.6.32-60-powerpc 2.6.32-60.122
linux-image-2.6.32-60-powerpc-smp 2.6.32-60.122
linux-image-2.6.32-60-powerpc64-smp 2.6.32-60.122
linux-image-2.6.32-60-preempt 2.6.32-60.122
linux-image-2.6.32-60-server 2.6.32-60.122
linux-image-2.6.32-60-sparc64 2.6.32-60.122
linux-image-2.6.32-60-sparc64-smp 2.6.32-60.122
linux-image-2.6.32-60-versatile 2.6.32-60.122
linux-image-2.6.32-60-virtual 2.6.32-60.122

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

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References:
http://www.ubuntu.com/usn/usn-2219-1
CVE-2013-7339, CVE-2014-1737, CVE-2014-1738, CVE-2014-2678

Package Information:
https://launchpad.net/ubuntu/+source/linux/2.6.32-60.122


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Message: 2
Date: Mon, 26 May 2014 14:17:03 +0200
From: John Johansen <john.johansen@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2220-1] Linux kernel (EC2) vulnerabilities
Message-ID: <538330BF.70009@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-2220-1
May 26, 2014

linux-ec2 vulnerabilities
==========================================================================

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

- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux-ec2: Linux kernel for EC2

Details:

Matthew Daley reported an information leak in the floppy disk driver of the
Linux kernel. An unprivileged local user could exploit this flaw to obtain
potentially sensitive information from kernel memory. (CVE-2014-1738)

Matthew Daley reported a flaw in the handling of ioctl commands by the
floppy disk driver in the Linux kernel. An unprivileged local user could
exploit this flaw to gain administrative privileges if the floppy disk
module is loaded. (CVE-2014-1737)

A flaw was discovered in the Reliable Datagram Sockets (RDS) protocol
implementation in the Linux kernel for systems that lack RDS transports. An
unprivileged local user could exploit this flaw to cause a denial of
service (system crash). (CVE-2013-7339)

An error was discovered in the Reliable Datagram Sockets (RDS) protocol
stack in the Linux kernel. A local user could exploit this flaw to cause a
denial of service (system crash) or possibly have unspecified other impact.
(CVE-2014-2678)

Update instructions:

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

Ubuntu 10.04 LTS:
linux-image-2.6.32-364-ec2 2.6.32-364.77

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

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References:
http://www.ubuntu.com/usn/usn-2220-1
CVE-2013-7339, CVE-2014-1737, CVE-2014-1738, CVE-2014-2678

Package Information:
https://launchpad.net/ubuntu/+source/linux-ec2/2.6.32-364.77


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Message: 3
Date: Mon, 26 May 2014 14:17:33 +0200
From: John Johansen <john.johansen@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2221-1] Linux kernel vulnerabilities
Message-ID: <538330DD.2080702@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-2221-1
May 26, 2014

linux vulnerabilities
==========================================================================

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

- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux: Linux kernel

Details:

Matthew Daley reported an information leak in the floppy disk driver of the
Linux kernel. An unprivileged local user could exploit this flaw to obtain
potentially sensitive information from kernel memory. (CVE-2014-1738)

Matthew Daley reported a flaw in the handling of ioctl commands by the
floppy disk driver in the Linux kernel. An unprivileged local user could
exploit this flaw to gain administrative privileges if the floppy disk
module is loaded. (CVE-2014-1737)

A flaw was discovered in the Linux kernel's IPC reference counting. An
unprivileged local user could exploit this flaw to cause a denial of
service (OOM system crash). (CVE-2013-4483)

Al Viro discovered an error in how CIFS in the Linux kernel handles
uncached write operations. An unprivileged local user could exploit this
flaw to cause a denial of service (system crash), obtain sensitive
information from kernel memory, or possibly gain privileges.
(CVE-2014-0069)

A flaw was discovered in the handling of network packets when mergeable
buffers are disabled for virtual machines in the Linux kernel. Guest OS
users may exploit this flaw to cause a denial of service (host OS crash) or
possibly gain privilege on the host OS. (CVE-2014-0077)

A flaw was discovered in the Linux kernel's handling of the SCTP handshake.
A remote attacker could exploit this flaw to cause a denial of service
(system crash). (CVE-2014-0101)

A flaw was discovered in the handling of routing information in Linux
kernel's IPv6 stack. A remote attacker could exploit this flaw to cause a
denial of service (memory consumption) via a flood of ICMPv6 router
advertisement packets. (CVE-2014-2309)

An error was discovered in the Linux kernel's DCCP protocol support. A
remote attacked could exploit this flaw to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2014-2523)

Max Sydorenko discovered a race condition in the Atheros 9k wireless driver
in the Linux kernel. This race could be exploited by remote attackers to
cause a denial of service (system crash). (CVE-2014-2672)

An error was discovered in the Reliable Datagram Sockets (RDS) protocol
stack in the Linux kernel. A local user could exploit this flaw to cause a
denial of service (system crash) or possibly have unspecified other impact.
(CVE-2014-2678)

Yaara Rozenblum discovered a race condition in the Linux kernel's Generic
IEEE 802.11 Networking Stack (mac80211). Remote attackers could exploit
this flaw to cause a denial of service (system crash). (CVE-2014-2706)

A flaw was discovered in the Linux kernel's ping sockets. An unprivileged
local user could exploit this flaw to cause a denial of service (system
crash) or possibly gain privileges via a crafted application.
(CVE-2014-2851)

Update instructions:

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

Ubuntu 12.04 LTS:
linux-image-3.2.0-63-generic 3.2.0-63.95
linux-image-3.2.0-63-generic-pae 3.2.0-63.95
linux-image-3.2.0-63-highbank 3.2.0-63.95
linux-image-3.2.0-63-omap 3.2.0-63.95
linux-image-3.2.0-63-powerpc-smp 3.2.0-63.95
linux-image-3.2.0-63-powerpc64-smp 3.2.0-63.95
linux-image-3.2.0-63-virtual 3.2.0-63.95

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

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References:
http://www.ubuntu.com/usn/usn-2221-1
CVE-2013-4483, CVE-2014-0069, CVE-2014-0077, CVE-2014-0101,
CVE-2014-1737, CVE-2014-1738, CVE-2014-2309, CVE-2014-2523,
CVE-2014-2672, CVE-2014-2678, CVE-2014-2706, CVE-2014-2851

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.2.0-63.95


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Message: 4
Date: Mon, 26 May 2014 15:15:55 +0200
From: Seth Arnold <seth.arnold@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2222-1] mod_wsgi vulnerabilities
Message-ID: <20140526131555.GA6745@hunt>
Content-Type: text/plain; charset="iso-8859-1"

==========================================================================
Ubuntu Security Notice USN-2222-1
May 26, 2014

mod-wsgi vulnerabilities
==========================================================================

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

- Ubuntu 14.04 LTS
- Ubuntu 13.10
- Ubuntu 12.04 LTS

Summary:

mod_wsgi could be made to run programs as an administrator if it executes
a specially crafted file.

mod_wsgi could be made to expose sensitive information over the network.

Software Description:
- mod-wsgi: Python WSGI adapter module for Apache

Details:

R?bert Kisteleki discovered mod_wsgi incorrectly checked setuid return
values. A malicious application could use this issue to cause a local
privilege escalation when using daemon mode. (CVE-2014-0240)

Buck Golemon discovered that mod_wsgi used memory that had been freed.
A remote attacker could use this issue to read process memory via the
Content-Type response header. This issue only affected Ubuntu 12.04 LTS.
(CVE-2014-0242)

Update instructions:

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

Ubuntu 14.04 LTS:
libapache2-mod-wsgi 3.4-4ubuntu2.1.14.04.1
libapache2-mod-wsgi-py3 3.4-4ubuntu2.1.14.04.1

Ubuntu 13.10:
libapache2-mod-wsgi 3.4-4ubuntu2.1.13.10.1
libapache2-mod-wsgi-py3 3.4-4ubuntu2.1.13.10.1

Ubuntu 12.04 LTS:
libapache2-mod-wsgi 3.3-4ubuntu0.1
libapache2-mod-wsgi-py3 3.3-4ubuntu0.1

After a standard system update you need to restart apache2 to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2222-1
CVE-2014-0240, CVE-2014-0242

Package Information:
https://launchpad.net/ubuntu/+source/mod-wsgi/3.4-4ubuntu2.1.14.04.1
https://launchpad.net/ubuntu/+source/mod-wsgi/3.4-4ubuntu2.1.13.10.1
https://launchpad.net/ubuntu/+source/mod-wsgi/3.3-4ubuntu0.1

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Message: 5
Date: Tue, 27 May 2014 08:51:02 +0200
From: John Johansen <john.johansen@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2223-1] Linux kernel (Quantal HWE) vulnerabilities
Message-ID: <538435D6.7000303@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-2223-1
May 27, 2014

linux-lts-quantal vulnerabilities
==========================================================================

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

- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux-lts-quantal: Linux hardware enablement kernel from Quantal

Details:

Matthew Daley reported an information leak in the floppy disk driver of the
Linux kernel. An unprivileged local user could exploit this flaw to obtain
potentially sensitive information from kernel memory. (CVE-2014-1738)

Matthew Daley reported a flaw in the handling of ioctl commands by the
floppy disk driver in the Linux kernel. An unprivileged local user could
exploit this flaw to gain administrative privileges if the floppy disk
module is loaded. (CVE-2014-1737)

A flaw was discovered in the Linux kernel's IPC reference counting. An
unprivileged local user could exploit this flaw to cause a denial of
service (OOM system crash). (CVE-2013-4483)

A flaw was discovered in the vhost-net subsystem of the Linux kernel. Guest
OS users could exploit this flaw to cause a denial of service (host OS
crash). (CVE-2014-0055)

A flaw was discovered in the handling of network packets when mergeable
buffers are disabled for virtual machines in the Linux kernel. Guest OS
users may exploit this flaw to cause a denial of service (host OS crash) or
possibly gain privilege on the host OS. (CVE-2014-0077)

A flaw was discovered in the Linux kernel's handling of the SCTP handshake.
A remote attacker could exploit this flaw to cause a denial of service
(system crash). (CVE-2014-0101)

A flaw was discovered in the handling of routing information in Linux
kernel's IPv6 stack. A remote attacker could exploit this flaw to cause a
denial of service (memory consumption) via a flood of ICMPv6 router
advertisement packets. (CVE-2014-2309)

An error was discovered in the Linux kernel's DCCP protocol support. A
remote attacked could exploit this flaw to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2014-2523)

Max Sydorenko discovered a race condition in the Atheros 9k wireless driver
in the Linux kernel. This race could be exploited by remote attackers to
cause a denial of service (system crash). (CVE-2014-2672)

An error was discovered in the Reliable Datagram Sockets (RDS) protocol
stack in the Linux kernel. A local user could exploit this flaw to cause a
denial of service (system crash) or possibly have unspecified other impact.
(CVE-2014-2678)

Yaara Rozenblum discovered a race condition in the Linux kernel's Generic
IEEE 802.11 Networking Stack (mac80211). Remote attackers could exploit
this flaw to cause a denial of service (system crash). (CVE-2014-2706)

A flaw was discovered in the Linux kernel's ping sockets. An unprivileged
local user could exploit this flaw to cause a denial of service (system
crash) or possibly gain privileges via a crafted application.
(CVE-2014-2851)

Sasha Levin reported a bug in the Linux kernel's virtual memory management
subsystem. An unprivileged local user could exploit this flaw to cause a
denial of service (system crash). (CVE-2014-3122)

Update instructions:

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

Ubuntu 12.04 LTS:
linux-image-3.5.0-51-generic 3.5.0-51.76~precise1

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

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References:
http://www.ubuntu.com/usn/usn-2223-1
CVE-2013-4483, CVE-2014-0055, CVE-2014-0077, CVE-2014-0101,
CVE-2014-1737, CVE-2014-1738, CVE-2014-2309, CVE-2014-2523,
CVE-2014-2672, CVE-2014-2678, CVE-2014-2706, CVE-2014-2851,
CVE-2014-3122

Package Information:
https://launchpad.net/ubuntu/+source/linux-lts-quantal/3.5.0-51.76~precise1


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