ubuntu-security-announce Digest, Vol 120, Issue 4

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Today's Topics:

1. [USN-2338-1] Lua vulnerability (Marc Deslauriers)
2. [USN-2339-1] GnuPG vulnerability (Marc Deslauriers)
3. [USN-2339-2] Libgcrypt vulnerability (Marc Deslauriers)


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Message: 1
Date: Wed, 03 Sep 2014 09:48:50 -0400
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2338-1] Lua vulnerability
Message-ID: <54071C42.1070507@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-2338-1
September 03, 2014

lua5.1 vulnerability
==========================================================================

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

- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Lua could be made to crash or run programs.

Software Description:
- lua5.1: Simple, extensible, embeddable programming language

Details:

It was discovered that Lua incorrectly handled certain vararg functions
with a large number of fixed parameters. An attacker could use this issue
to cause Lua applications to crash, resulting in a denial of service, or
possibly execute arbitrary code.

Update instructions:

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

Ubuntu 14.04 LTS:
liblua5.1-0 5.1.5-5ubuntu0.1
lua5.1 5.1.5-5ubuntu0.1

Ubuntu 12.04 LTS:
liblua5.1-0 5.1.4-12ubuntu1.1
lua5.1 5.1.4-12ubuntu1.1

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

References:
http://www.ubuntu.com/usn/usn-2338-1
CVE-2014-5461

Package Information:
https://launchpad.net/ubuntu/+source/lua5.1/5.1.5-5ubuntu0.1
https://launchpad.net/ubuntu/+source/lua5.1/5.1.4-12ubuntu1.1


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Message: 2
Date: Wed, 03 Sep 2014 14:09:27 -0400
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2339-1] GnuPG vulnerability
Message-ID: <54075957.4050704@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-2339-1
September 03, 2014

gnupg vulnerability
==========================================================================

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

- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

GnuPG could expose sensitive information when performing decryption.

Software Description:
- gnupg: GNU privacy guard - a free PGP replacement

Details:

Daniel Genkin, Adi Shamir, and Eran Tromer discovered that GnuPG was
susceptible to an adaptive chosen ciphertext attack via physical side
channels. A local attacker could use this attack to possibly recover
private keys.

Update instructions:

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

Ubuntu 12.04 LTS:
gnupg 1.4.11-3ubuntu2.7

Ubuntu 10.04 LTS:
gnupg 1.4.10-2ubuntu1.7

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

References:
http://www.ubuntu.com/usn/usn-2339-1
CVE-2014-5270

Package Information:
https://launchpad.net/ubuntu/+source/gnupg/1.4.11-3ubuntu2.7
https://launchpad.net/ubuntu/+source/gnupg/1.4.10-2ubuntu1.7


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Message: 3
Date: Wed, 03 Sep 2014 14:09:49 -0400
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2339-2] Libgcrypt vulnerability
Message-ID: <5407596D.4050703@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-2339-2
September 03, 2014

libgcrypt11 vulnerability
==========================================================================

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

- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

Libgcrypt could expose sensitive information when performing decryption.

Software Description:
- libgcrypt11: LGPL Crypto library

Details:

Daniel Genkin, Adi Shamir, and Eran Tromer discovered that Libgcrypt was
susceptible to an adaptive chosen ciphertext attack via physical side
channels. A local attacker could use this attack to possibly recover
private keys.

Update instructions:

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

Ubuntu 14.04 LTS:
libgcrypt11 1.5.3-2ubuntu4.1

Ubuntu 12.04 LTS:
libgcrypt11 1.5.0-3ubuntu0.3

Ubuntu 10.04 LTS:
libgcrypt11 1.4.4-5ubuntu2.3

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

References:
http://www.ubuntu.com/usn/usn-2339-2
http://www.ubuntu.com/usn/usn-2339-1
CVE-2014-5270

Package Information:
https://launchpad.net/ubuntu/+source/libgcrypt11/1.5.3-2ubuntu4.1
https://launchpad.net/ubuntu/+source/libgcrypt11/1.5.0-3ubuntu0.3
https://launchpad.net/ubuntu/+source/libgcrypt11/1.4.4-5ubuntu2.3


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End of ubuntu-security-announce Digest, Vol 120, Issue 4
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