============================================================================ Ubuntu Security Notice USN-2580-1 April 27, 2015 tcpdump vulnerabilities ============================================================================ A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.10 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS Summary: tcpdump could be made to crash or run programs if it received specially crafted network traffic. Software Description: - tcpdump: command-line network traffic analyzer Details: It was discovered that tcpdump incorrectly handled printing certain packets. A remote attacker could use this issue to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code. 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 4.6.2-1ubuntu1.2 Ubuntu 14.04 LTS: tcpdump 4.5.1-2ubuntu1.2 Ubuntu 12.04 LTS: tcpdump 4.2.1-1ubuntu2.2 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2580-1 CVE-2015-0261, CVE-2015-2153, CVE-2015-2154, CVE-2015-2155 Package Information: https://launchpad.net/ubuntu/+source/tcpdump/4.6.2-1ubuntu1.2 https://launchpad.net/ubuntu/+source/tcpdump/4.5.1-2ubuntu1.2 https://launchpad.net/ubuntu/+source/tcpdump/4.2.1-1ubuntu2.2