========================================================================== Ubuntu Security Notice USN-4044-1 July 01, 2019 znc 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: znc could be made to crash or run programs as an administrator if it opened a specially crafted file. Software Description: - znc: advanced modular IRC bouncer Details: Fix vulnerability where an authenticated non-admin users could load a module with a crafted name, then escalate privileges and run arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04: znc 1.7.2-2ubuntu0.1 Ubuntu 18.10: znc 1.7.1-2ubuntu0.2 Ubuntu 18.04 LTS: znc 1.6.6-1ubuntu0.2 Ubuntu 16.04 LTS: znc 1.6.3-1ubuntu0.2 After a standard system update you need to restart znc to make all the necessary changes. References: https://usn.ubuntu.com/4044-1 CVE-2019-12816 Package Information: https://launchpad.net/ubuntu/+source/znc/1.7.2-2ubuntu0.1 https://launchpad.net/ubuntu/+source/znc/1.7.1-2ubuntu0.2 https://launchpad.net/ubuntu/+source/znc/1.6.6-1ubuntu0.2 https://launchpad.net/ubuntu/+source/znc/1.6.3-1ubuntu0.2