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Ubuntu Security Notice USN-2433-1
December 04, 2014

tcpdump vulnerabilities
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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)

Update instructions:

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

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

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

References:
  http://www.ubuntu.com/usn/usn-2433-1
  CVE-2014-8767, CVE-2014-8768, CVE-2014-8769, CVE-2014-9140

Package Information:
  https://launchpad.net/ubuntu/+source/tcpdump/4.6.2-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/tcpdump/4.5.1-2ubuntu1.1
  https://launchpad.net/ubuntu/+source/tcpdump/4.2.1-1ubuntu2.1
  https://launchpad.net/ubuntu/+source/tcpdump/4.0.0-6ubuntu3.1