ubuntu-usn

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… ]

USN-3199-2: Python Crypto regression Ubuntu Security Notice USN-3199-2 17th February, 2017 Python Crypto regression A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.10 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary USN-3199-1 introduced a regression in the Python Cryptography Toolkit which caused programs which relied on the original behavior to fail. Software description python-crypto – cryptographic algorithms and protocols for Python Details USN-3199-1 fixed a vulnerability in the Python Cryptography Toolkit.Unfortunately, various programs depended on the original behavior of the PythonCryptography Toolkit which was altered when fixing the vulnerability. Thisupdate retains the fix for the vulnerability but issues a warning rather thanthrowing an exception. Code which produces this warning should be updatedbecause future versions of the Python Cryptography Toolkit re-introduce theexception. We apologize for the inconvenience. Original advisory details: It was discovered that the ALGnew function in [ more… ]