Ubuntu Security Notice USN-2433-1

4th December, 2014

tcpdump vulnerabilities

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

• Ubuntu 14.10
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS
• Ubuntu 10.04 LTS

Summary

Several security issues were fixed in tcpdump.

Software description

• tcpdump
  – command-line network traffic analyzer

Details

Steffen Bauch discovered that tcpdump incorrectly handled printing OSLR
packets. A remote attacker could use this issue to cause tcpdump to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2014-8767)

Steffen Bauch discovered that tcpdump incorrectly handled printing GeoNet
packets. A remote attacker could use this issue to cause tcpdump to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue only applied to Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2014-8768)

Steffen Bauch discovered that tcpdump incorrectly handled printing AODV
packets. A remote attacker could use this issue to cause tcpdump to crash,
resulting in a denial of service, reveal sensitive information, or possibly
execute arbitrary code. (CVE-2014-8769)

It was discovered that tcpdump incorrectly handled printing PPP packets. A
remote attacker could use this issue to cause tcpdump to crash, resulting
in a denial of service, or possibly execute arbitrary code.
(CVE-2014-9140)

In the default installation, attackers would be isolated by the tcpdump
AppArmor profile.

Update instructions

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

Ubuntu 14.10:

tcpdump

4.6.2-1ubuntu1.1

Ubuntu 14.04 LTS:

tcpdump

4.5.1-2ubuntu1.1

Ubuntu 12.04 LTS:

tcpdump

4.2.1-1ubuntu2.1

Ubuntu 10.04 LTS:

tcpdump

4.0.0-6ubuntu3.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2014-8767,

CVE-2014-8768,

CVE-2014-8769,

CVE-2014-9140

Ubuntu Security Notice USN-2431-2

4th December, 2014

maas regression

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

• Ubuntu 14.10
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS

Summary

USN-2431-1 caused a regression in the MAAS package.

Software description

• maas
  – Ubuntu MAAS Server

Details

USN-2431-1 fixed vulnerabilities in mod_wsgi. The security update exposed
an issue in the MAAS package, causing a regression. This update fixes the
problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that mod_wsgi incorrectly handled errors when setting up
the working directory and group access rights. A malicious application
could possibly use this issue to cause a local privilege escalation when
using daemon mode.

Update instructions

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

Ubuntu 14.10:

maas-region-controller-min

1.7.0~beta8+bzr3272-0ubuntu1.2

Ubuntu 14.04 LTS:

maas-region-controller-min

1.5.4+bzr2294-0ubuntu1.2

Ubuntu 12.04 LTS:

maas-region-controller

1.2+bzr1373+dfsg-0ubuntu1~12.04.6

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

LP: 1399016