Ubuntu security

USN-3066-1: PostgreSQL vulnerabilities Ubuntu Security Notice USN-3066-1 18th August, 2016 postgresql-9.1, postgresql-9.3, postgresql-9.5 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Several security issues were fixed in PostgreSQL. Software description postgresql-9.1 – Object-relational SQL database postgresql-9.3 – Object-relational SQL database postgresql-9.5 – object-relational SQL database Details Heikki Linnakangas discovered that PostgreSQL incorrectly handled certainnested CASE/WHEN expressions. A remote attacker could possibly use thisissue to cause PostgreSQL to crash, resulting in a denial of service.(CVE-2016-5423) Nathan Bossart discovered that PostgreSQL incorrectly handled specialcharacters in database and role names. A remote attacker could possibly usethis issue to escalate privileges. (CVE-2016-5424) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: postgresql-9.5 9.5.4-0ubuntu0.16.04 Ubuntu 14.04 LTS: postgresql-9.3 9.3.14-0ubuntu0.14.04 Ubuntu 12.04 [ more… ]

USN-3065-1: Libgcrypt vulnerability Ubuntu Security Notice USN-3065-1 18th August, 2016 libgcrypt11, libgcrypt20 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Libgcrypt incorrectly generated random numbers. Software description libgcrypt11 – LGPL Crypto library libgcrypt20 – LGPL Crypto library Details Felix Dörre and Vladimir Klebanov discovered that Libgcrypt incorrectlyhandled mixing functions in the random number generator. An attacker ableto obtain 4640 bits from the RNG can trivially predict the next 160 bits ofoutput. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: libgcrypt20 1.6.5-2ubuntu0.2 Ubuntu 14.04 LTS: libgcrypt11 1.5.3-2ubuntu4.4 Ubuntu 12.04 LTS: libgcrypt11 1.5.0-3ubuntu0.6 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-2016-6313 Source: [ more… ]

USN-3063-1: Fontconfig vulnerability Ubuntu Security Notice USN-3063-1 17th August, 2016 fontconfig vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Fontconfig be made to crash or run programs if it opened a specially crafted file. Software description fontconfig – generic font configuration library Details Tobias Stoeckmann discovered that Fontconfig incorrectly handled cachefiles. A local attacker could possibly use this issue with a speciallycrafted cache file to elevate privileges. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: fontconfig 2.11.94-0ubuntu1.1 libfontconfig1 2.11.94-0ubuntu1.1 Ubuntu 14.04 LTS: fontconfig 2.11.0-0ubuntu4.2 libfontconfig1 2.11.0-0ubuntu4.2 Ubuntu 12.04 LTS: fontconfig 2.8.0-3ubuntu9.2 libfontconfig1 2.8.0-3ubuntu9.2 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to restart your session to makeall [ more… ]

USN-3062-1: OpenJDK 7 vulnerabilities Ubuntu Security Notice USN-3062-1 16th August, 2016 openjdk-7 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Summary Several security issues were fixed in OpenJDK 7. Software description openjdk-7 – Open Source Java implementation Details Multiple vulnerabilities were discovered in the OpenJDK JRE related toinformation disclosure, data integrity, and availability. An attackercould exploit these to cause a denial of service, expose sensitive dataover the network, or possibly execute arbitrary code. (CVE-2016-3598,CVE-2016-3606, CVE-2016-3610) A vulnerability was discovered in the OpenJDK JRE related to dataintegrity. An attacker could exploit this to expose sensitive dataover the network or possibly execute arbitrary code. (CVE-2016-3458) Multiple vulnerabilities were discovered in the OpenJDK JRE relatedto availability. An attacker could exploit these to cause a denialof service. (CVE-2016-3500, CVE-2016-3508) A vulnerability was discovered in the OpenJDK JRE [ more… ]

USN-3061-1: OpenSSH vulnerabilities Ubuntu Security Notice USN-3061-1 15th August, 2016 openssh vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Several security issues were fixed in OpenSSH. Software description openssh – secure shell (SSH) for secure access to remote machines Details Eddie Harari discovered that OpenSSH incorrectly handled password hashingwhen authenticating non-existing users. A remote attacker could perform atiming attack and enumerate valid users. (CVE-2016-6210) Tomas Kuthan, Andres Rojas, and Javier Nieto discovered that OpenSSH didnot limit password lengths. A remote attacker could use this issue to causeOpenSSH to consume resources, leading to a denial of service.(CVE-2016-6515) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: openssh-server 1:7.2p2-4ubuntu2.1 Ubuntu 14.04 LTS: openssh-server 1:6.6p1-2ubuntu2.8 Ubuntu 12.04 LTS: openssh-server [ more… ]