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Ubuntu 20.04 LTS: 4764-1 Moderate: GLib Archive File Creation Risk

GLib could be made to create files if it opened a specially crafted archive.. =========================================================================Ubuntu Security Notice USN-4764-1 March 15, 2021 glib2.0 vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: GLib could be made to create files if it opened a specially crafted archive. Software Description: - glib2.0: GLib library of C routines Details: It was discovered that GLib incorrectly handled certain symlinks when replacing files. If a user or automated system were tricked into extracting a specially crafted file with File Roller, a remote attacker could possibly create files outside of the intended directory. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: libglib2.0-0 2.66.1-2ubuntu0.2 Ubuntu 20.04 LTS: libglib2.0-0 2.64.6-1~ubuntu20.04.3 Ubuntu 18.04 LTS: libglib2.0-0 2.56.4-0ubuntu0.18.04.8 Ubuntu 16.04 LTS: libglib2.0-0 2.48.2-0ubuntu4.8 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4764-1 CVE-2021-28153 Package Information: https://launchpad.net/ubuntu/+source/glib2.0/2.66.1-2ubuntu0.2 https://launchpad.net/ubuntu/+source/glib2.0/2.64.6-1~ubuntu20.04.3 https://launchpad.net/ubuntu/+source/glib2.0/2.56.4-0ubuntu0.18.04.8 https://launchpad.net/ubuntu/+source/glib2.0/2.48.2-0ubuntu4.8 . Serious vulnerability found in GLib impacts various Ubuntu versions, enabling the risk of unauthorized file creations via compressed archives.. GLib Exploit, Archive Vulnerability, Ubuntu Update, Software Threats. . Severity: Important. LinuxSecurity.com Team

Mar 15, 2021 •Important Ubuntu