[USN-1873-1] telepathy-gabble vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-1873-1
June 12, 2013

telepathy-gabble vulnerabilities
==========================================================================

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

- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in telepathy-gabble.

Software Description:
- telepathy-gabble: Jabber/XMPP connection manager

Details:

Maksim Otstavnov discovered that telepathy-gabble incorrectly handled
TLS when connecting to legacy jabber servers. If a remote attacker were
able to perform a man-in-the-middle attack, this flaw could be exploited to
view sensitive information. (CVE-2013-1431)

It was discovered that telepathy-gabble incorrectly handled certain
messages. A remote attacker could use this flaw to cause applications using
telepathy-gabble to crash, resulting in a denial of service. This issue
only affected Ubuntu 12.04 LTS and Ubuntu 12.10. (CVE-2013-1769)

Update instructions:

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

Ubuntu 13.04:
telepathy-gabble 0.16.5-0ubuntu1.1

Ubuntu 12.10:
telepathy-gabble 0.16.1-2ubuntu0.1

Ubuntu 12.04 LTS:
telepathy-gabble 0.16.0-0ubuntu3.1

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

References:
http://www.ubuntu.com/usn/usn-1873-1
CVE-2013-1431, CVE-2013-1769

Package Information:
https://launchpad.net/ubuntu/+source/telepathy-gabble/0.16.5-0ubuntu1.1
https://launchpad.net/ubuntu/+source/telepathy-gabble/0.16.1-2ubuntu0.1
https://launchpad.net/ubuntu/+source/telepathy-gabble/0.16.0-0ubuntu3.1