USN-2433-1: tcpdump vulnerabilities

Releases

• Ubuntu 14.10
• Ubuntu 14.04 ESM
• Ubuntu 12.04
• Ubuntu 10.04

Packages

• 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 versions:

Ubuntu 14.10

• tcpdump - 4.6.2-1ubuntu1.1

Ubuntu 14.04

• tcpdump - 4.5.1-2ubuntu1.1

Ubuntu 12.04

• tcpdump - 4.2.1-1ubuntu2.1

Ubuntu 10.04

• tcpdump - 4.0.0-6ubuntu3.1

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