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USN-4024-1: Evince update evince update A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Use more restrictive AppArmor policy for Evince binaries. Software Description evince – Document viewer Details As a security improvement, this update adjusts the AppArmor profile for the Evince thumbnailer to reduce access to the system and adjusts the AppArmor profile for Evince and Evince previewer to limit access to the DBus system bus. Additionally adjust the evince abstraction to disallow writes on parent directories of sensitive files. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS evince-common – 3.28.4-0ubuntu1.2 Ubuntu 16.04 LTS evince-common – 3.18.2-1ubuntu4.5 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-4022-1: Gunicorn vulnerability Gunicorn vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Summary Gunicorn could allow cross-site scripting (XSS) attacks. Software Description gunicorn – Python HTTP/WSGI server Details It was discovered that gunicorn improperly handled certain input. An attacker could potentially use this issue execute a cross-site scripting (XSS) attack. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS gunicorn – 19.4.5-1ubuntu1.1 gunicorn3 – 19.4.5-1ubuntu1.1 python-gunicorn – 19.4.5-1ubuntu1.1 python3-gunicorn – 19.4.5-1ubuntu1.1 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 CVE-2018-1000164 Source: USN-4022-1: Gunicorn vulnerability

USN-4019-2: SQLite vulnerabilities sqlite3 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 ESM Ubuntu 12.04 ESM Summary Several security issues were fixed in SQLite. Software Description sqlite3 – C library that implements an SQL database engine Details USN-4019-1 fixed several vulnerabilities in sqlite3. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: It was discovered that SQLite incorrectly handled certain SQL files. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service. (CVE-2017-2518) It was discovered that SQLite incorrectly handled certain queries. An attacker could possibly use this issue to execute arbitrary code. (CVE-2018-20346, CVE-2018-20506) It was discovered that SQLite incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information. (CVE-2019-8457) It was discovered that [ more… ]

USN-4020-1: Firefox vulnerability firefox vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.10 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Firefox could be made to crash or run programs as your login if it opened a malicious website. Software Description firefox – Mozilla Open Source web browser Details A type confusion bug was discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could exploit this by causing a denial of service, or executing arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 firefox – 67.0.3+build1-0ubuntu0.19.04.1 Ubuntu 18.10 firefox – 67.0.3+build1-0ubuntu0.18.10.1 Ubuntu 18.04 LTS firefox – 67.0.3+build1-0ubuntu0.18.04.1 Ubuntu 16.04 LTS firefox – 67.0.3+build1-0ubuntu0.16.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard [ more… ]

USN-4021-1: libvirt vulnerabilities libvirt vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.10 Summary Several security issues were fixed in libvirt. Software Description libvirt – Libvirt virtualization toolkit Details Daniel P. Berrangé discovered that libvirt incorrectly handled socket permissions. A local attacker could possibly use this issue to access libvirt. (CVE-2019-10132) It was discovered that libvirt incorrectly performed certain permission checks. A remote attacker could possibly use this issue to access the guest agent and cause a denial of service. This issue only affected Ubuntu 19.04. (CVE-2019-3886) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 libvirt-clients – 5.0.0-1ubuntu2.3 libvirt-daemon – 5.0.0-1ubuntu2.3 libvirt0 – 5.0.0-1ubuntu2.3 Ubuntu 18.10 libvirt-clients – 4.6.0-2ubuntu3.7 libvirt-daemon – 4.6.0-2ubuntu3.7 libvirt0 – 4.6.0-2ubuntu3.7 To update your system, please follow these instructions: [ more… ]