SECURITY

Ubuntu Security Notice USN-2837-1 15th December, 2015 bind9 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 15.10 Ubuntu 15.04 Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Bind could be made to crash if it received specially crafted network traffic. Software description bind9 – Internet Domain Name Server Details It was discovered that Bind incorrectly handled responses with malformedclass attributes. A remote attacker could use this issue to cause Bind tocrash, resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 15.10: bind9 1:9.9.5.dfsg-11ubuntu1.1 Ubuntu 15.04: bind9 1:9.9.5.dfsg-9ubuntu0.4 Ubuntu 14.04 LTS: bind9 1:9.9.5.dfsg-3ubuntu0.6 Ubuntu 12.04 LTS: bind9 1:9.8.1.dfsg.P1-4ubuntu0.14 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 CVE-2015-8000 Source: ubuntu-usn

Ubuntu Security Notice USN-2836-1 15th December, 2015 grub2 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 15.10 Ubuntu 15.04 Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary GRUB password protection can be bypassed. Software description grub2 – GRand Unified Bootloader Details Hector Marco and Ismael Ripoll discovered that GRUB incorrectly handledthe backspace key when configured to use authentication. A local attackercould use this issue to bypass GRUB password protection. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 15.10: grub2-common 2.02~beta2-29ubuntu0.2 Ubuntu 15.04: grub2-common 2.02~beta2-22ubuntu1.4 Ubuntu 14.04 LTS: grub2-common 2.02~beta2-9ubuntu1.6 Ubuntu 12.04 LTS: grub2-common 1.99-21ubuntu3.19 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to reboot your computer to makeall the necessary changes. References CVE-2015-8370 Source: ubuntu-usn

Ubuntu Security Notice USN-2835-1 15th December, 2015 git vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 15.10 Ubuntu 15.04 Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Git could be made to run programs as your login if it processed an untrusted repository. Software description git – fast, scalable, distributed revision control system Details Blake Burkhart discovered that the Git git-remote-ext helper incorrectlyhandled recursive clones of git repositories. A remote attacker couldpossibly use this issue to execute arbitrary code by injecting commandsvia crafted URLs. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 15.10: git 1:2.5.0-1ubuntu0.1 Ubuntu 15.04: git 1:2.1.4-2.1ubuntu0.1 Ubuntu 14.04 LTS: git 1:1.9.1-1ubuntu0.2 Ubuntu 12.04 LTS: git 1:1.7.9.5-1ubuntu0.2 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all [ more… ]