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Ubuntu 19.04, 18.10, 18.04 LTS, 16.04 LTS: 4053-1 Moderate: GVfs Issues

Several security issues were fixed in GVfs.. =========================================================================Ubuntu Security Notice USN-4053-1 July 09, 2019 gvfs vulnerabilities ========================================================================= 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: Several security issues were fixed in GVfs. Software Description: - gvfs: Userspace virtual filesystem Details: It was discovered that GVfs incorrectly handled the admin backend. Files created or moved by the admin backend could end up with the wrong ownership information, contrary to expectations. This issue only affected Ubuntu 18.04 LTS, Ubuntu 18.10, and Ubuntu 19.04. (CVE-2019-12447, CVE-2019-12448, CVE-2019-12449) It was discovered that GVfs incorrectly handled authentication on its private D-Bus socket. A local attacker could possibly connect to this socket and issue D-Bus calls. (CVE-2019-12795) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04: gvfs 1.40.1-1ubuntu0.1 gvfs-backends 1.40.1-1ubuntu0.1 Ubuntu 18.10: gvfs 1.38.1-0ubuntu1.3.2 gvfs-backends 1.38.1-0ubuntu1.3.2 Ubuntu 18.04 LTS: gvfs 1.36.1-0ubuntu1.3.3 gvfs-backends 1.36.1-0ubuntu1.3.3 Ubuntu 16.04 LTS: gvfs 1.28.2-1ubuntu1~16.04.3 gvfs-backends 1.28.2-1ubuntu1~16.04.3 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4053-1 CVE-2019-12447, CVE-2019-12448, CVE-2019-12449, CVE-2019-12795 Package Information: https://launchpad.net/ubuntu/+source/gvfs/1.40.1-1ubuntu0.1 https://launchpad.net/ubuntu/+source/gvfs/1.38.1-0ubuntu1.3.2 https://launchpad.net/ubuntu/+source/gvfs/1.36.1-0ubuntu1.3.3 https://launchpad.net/ubuntu/+source/gvfs/1.28.2-1ubuntu1~16.04.3 . To enhance your Ubuntu system's security against various gvfs vulnerabilities affecting numerous releases, ensure you follow these steps.. Ubuntu Update, Security Fixes, GVfs Issues, System Security, Linux Updates. . LinuxSecurity.com Team

Jul 09, 2019 Ubuntu