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.