ubuntu-security-announce Digest, Vol 109, Issue 2

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Today's Topics:

1. [USN-1988-1] Cyrus SASL vulnerability (Marc Deslauriers)
2. [USN-1987-1] GnuPG vulnerabilities (Marc Deslauriers)


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Message: 1
Date: Wed, 09 Oct 2013 13:09:45 -0400
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1988-1] Cyrus SASL vulnerability
Message-ID: <52558DD9.7000803@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-1988-1
October 09, 2013

cyrus-sasl2 vulnerability
==========================================================================

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

- Ubuntu 13.04

Summary:

Cyrus SASL could be made to crash if it processed specially crafted input.

Software Description:
- cyrus-sasl2: Cyrus Simple Authentication and Security Layer

Details:

It was discovered that Cyrus SASL incorrectly handled certain invalid
password salts. An attacker could use this issue to cause Cyrus SASL 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 13.04:
libsasl2-2 2.1.25.dfsg1-6ubuntu0.1

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

References:
http://www.ubuntu.com/usn/usn-1988-1
CVE-2013-4122

Package Information:
https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.25.dfsg1-6ubuntu0.1


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Message: 2
Date: Wed, 09 Oct 2013 13:09:19 -0400
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1987-1] GnuPG vulnerabilities
Message-ID: <52558DBF.3090001@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
Ubuntu Security Notice USN-1987-1
October 09, 2013

gnupg, gnupg2 vulnerabilities
==========================================================================

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

- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in GnuPG.

Software Description:
- gnupg: GNU privacy guard - a free PGP replacement
- gnupg2: GNU privacy guard - a free PGP replacement

Details:

Daniel Kahn Gillmor discovered that GnuPG treated keys with empty usage
flags as being valid for all usages. (CVE-2013-4351)

Taylor R Campbell discovered that GnuPG incorrectly handled certain OpenPGP
messages. If a user or automated system were tricked into processing a
specially-crafted message, GnuPG could consume resources, resulting in a
denial of service. (CVE-2013-4402)

Update instructions:

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

Ubuntu 13.04:
gnupg 1.4.12-7ubuntu1.2
gnupg2 2.0.19-2ubuntu1.1

Ubuntu 12.10:
gnupg 1.4.11-3ubuntu4.3
gnupg2 2.0.17-2ubuntu3.2

Ubuntu 12.04 LTS:
gnupg 1.4.11-3ubuntu2.4
gnupg2 2.0.17-2ubuntu2.12.04.3

Ubuntu 10.04 LTS:
gnupg 1.4.10-2ubuntu1.4
gnupg2 2.0.14-1ubuntu1.6

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

References:
http://www.ubuntu.com/usn/usn-1987-1
CVE-2013-4351, CVE-2013-4402

Package Information:
https://launchpad.net/ubuntu/+source/gnupg/1.4.12-7ubuntu1.2
https://launchpad.net/ubuntu/+source/gnupg2/2.0.19-2ubuntu1.1
https://launchpad.net/ubuntu/+source/gnupg/1.4.11-3ubuntu4.3
https://launchpad.net/ubuntu/+source/gnupg2/2.0.17-2ubuntu3.2
https://launchpad.net/ubuntu/+source/gnupg/1.4.11-3ubuntu2.4
https://launchpad.net/ubuntu/+source/gnupg2/2.0.17-2ubuntu2.12.04.3
https://launchpad.net/ubuntu/+source/gnupg/1.4.10-2ubuntu1.4
https://launchpad.net/ubuntu/+source/gnupg2/2.0.14-1ubuntu1.6


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