SECURITY

USN-3010-1: Expat vulnerabilities Ubuntu Security Notice USN-3010-1 20th June, 2016 expat vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 15.10 Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Several security issues were fixed in Expat. Software description expat – XML parsing C library Details It was discovered that Expat unexpectedly called srand in certaincircumstances. This could reduce the security of calling applications.(CVE-2012-6702) It was discovered that Expat incorrectly handled seeding the random numbergenerator. A remote attacker could possibly use this issue to cause adenial of service. (CVE-2016-5300) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: libexpat1 2.1.0-7ubuntu0.16.04.2 lib64expat1 2.1.0-7ubuntu0.16.04.2 Ubuntu 15.10: libexpat1 2.1.0-7ubuntu0.15.10.2 lib64expat1 2.1.0-7ubuntu0.15.10.2 Ubuntu 14.04 LTS: libexpat1 2.1.0-4ubuntu1.3 lib64expat1 2.1.0-4ubuntu1.3 Ubuntu 12.04 LTS: libexpat1 2.0.1-7.2ubuntu1.4 lib64expat1 2.0.1-7.2ubuntu1.4 To update your [ more… ]

USN-3012-1: Wget vulnerability Ubuntu Security Notice USN-3012-1 20th June, 2016 wget vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 15.10 Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Wget could be made to overwrite files. Software description wget – retrieves files from the web Details Dawid Golunski discovered that Wget incorrectly handled filenames whenbeing redirected from an HTTP to an FTP URL. A malicious server couldpossibly use this issue to overwrite local files. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: wget 1.17.1-1ubuntu1.1 Ubuntu 15.10: wget 1.16.1-1ubuntu1.1 Ubuntu 14.04 LTS: wget 1.15-1ubuntu1.14.04.2 Ubuntu 12.04 LTS: wget 1.13.4-2ubuntu1.4 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-2016-4971 Source: USN-3012-1: [ more… ]

USN-3011-1: HAProxy vulnerability Ubuntu Security Notice USN-3011-1 20th June, 2016 haproxy vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Summary HAProxy could be made to crash if it received specially crafted network traffic. Software description haproxy – fast and reliable load balancing reverse proxy Details Falco Schmutz discovered that HAProxy incorrectly handled the reqdenyfilter. A remote attacker could use this issue to cause HAProxy to crash,resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: haproxy 1.6.3-1ubuntu0.1 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 CVE-2016-5360 Source: USN-3011-1: HAProxy vulnerability

USN-3009-1: Dnsmasq vulnerability Ubuntu Security Notice USN-3009-1 20th June, 2016 dnsmasq vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 15.10 Summary Dnsmasq could be made to crash if it received specially crafted network traffic. Software description dnsmasq – Small caching DNS proxy and DHCP/TFTP server Details Edwin Török discovered that Dnsmasq incorrectly handled certain CNAMEresponses. A remote attacker could use this issue to cause Dnsmasq tocrash, resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: dnsmasq 2.75-1ubuntu0.16.04.1 dnsmasq-utils 2.75-1ubuntu0.16.04.1 dnsmasq-base 2.75-1ubuntu0.16.04.1 Ubuntu 15.10: dnsmasq 2.75-1ubuntu0.15.10.1 dnsmasq-utils 2.75-1ubuntu0.15.10.1 dnsmasq-base 2.75-1ubuntu0.15.10.1 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-2015-8899 [ more… ]