SECURITY

USN-3202-1: Spice vulnerabilities Ubuntu Security Notice USN-3202-1 20th February, 2017 spice vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.10 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Spice could be made to crash or run programs if it received specially crafted network traffic. Software description spice – SPICE protocol client and server library Details Frediano Ziglio discovered that Spice incorrectly handled certain clientmessages. A remote attacker could use this issue to cause Spice to crash,resulting in a denial of service, or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.10: libspice-server1 0.12.8-1ubuntu0.1 Ubuntu 16.04 LTS: libspice-server1 0.12.6-4ubuntu0.2 Ubuntu 14.04 LTS: libspice-server1 0.12.4-0nocelt2ubuntu1.4 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to restart qemu guests [ more… ]

USN-3203-1: gtk-vnc vulnerabilities Ubuntu Security Notice USN-3203-1 20th February, 2017 gtk-vnc vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary gtk-vnc could be made to crash or run programs if it received specially crafted network traffic. Software description gtk-vnc – VNC viewer widget Details It was discovered that gtk-vnc incorrectly validated certain data. Amalicious server could use this issue to cause gtk-vnc to crash, resultingin a denial of service, or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.04 LTS: libgtk-vnc-1.0-0 0.5.3-0ubuntu2.1 libgvnc-1.0-0 0.5.3-0ubuntu2.1 libgtk-vnc-2.0-0 0.5.3-0ubuntu2.1 Ubuntu 12.04 LTS: libgtk-vnc-1.0-0 0.5.0-1ubuntu1.1 libgvnc-1.0-0 0.5.0-1ubuntu1.1 libgtk-vnc-2.0-0 0.5.0-1ubuntu1.1 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 [ more… ]

USN-3204-1: Tomcat vulnerability Ubuntu Security Notice USN-3204-1 20th February, 2017 tomcat6, tomcat7 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Tomcat could be made to consume resources if it received specially crafted network traffic. Software description tomcat6 – Servlet and JSP engine tomcat7 – Servlet and JSP engine Details It was discovered that Tomcat incorrectly handled certain HTTP requests. Aremote attacker could possibly use this issue to cause Tomcat to consumeresources, resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.04 LTS: tomcat7 7.0.52-1ubuntu0.10 libtomcat7-java 7.0.52-1ubuntu0.10 Ubuntu 12.04 LTS: libtomcat6-java 6.0.35-1ubuntu3.11 tomcat6 6.0.35-1ubuntu3.11 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 [ more… ]

USN-3204-1: Tomcat vulnerability Ubuntu Security Notice USN-3204-1 20th February, 2017 tomcat6, tomcat7 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Tomcat could be made to consume resources if it received specially crafted network traffic. Software description tomcat6 – Servlet and JSP engine tomcat7 – Servlet and JSP engine Details It was discovered that Tomcat incorrectly handled certain HTTP requests. Aremote attacker could possibly use this issue to cause Tomcat to consumeresources, resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.04 LTS: tomcat7 7.0.52-1ubuntu0.10 libtomcat7-java 7.0.52-1ubuntu0.10 Ubuntu 12.04 LTS: libtomcat6-java 6.0.35-1ubuntu3.11 tomcat6 6.0.35-1ubuntu3.11 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 [ more… ]