========================================================================== Ubuntu Security Notice USN-5243-1 January 20, 2022 aide vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.10 - Ubuntu 21.04 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: AIDE could be made to crash or run programs as an administrator if it opened a specially crafted file. Software Description: - aide: Advanced Intrusion Detection Environment Details: David Bouman discovered that AIDE incorrectly handled base64 operations. A local attacker could use this issue to cause AIDE to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: aide 0.17.3-4ubuntu0.1 Ubuntu 21.04: aide 0.17.3-1ubuntu0.1 Ubuntu 20.04 LTS: aide 0.16.1-1ubuntu0.1 Ubuntu 18.04 LTS: aide 0.16-3ubuntu0.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5243-1 CVE-2021-45417 Package Information: https://launchpad.net/ubuntu/+source/aide/0.17.3-4ubuntu0.1 https://launchpad.net/ubuntu/+source/aide/0.17.3-1ubuntu0.1 https://launchpad.net/ubuntu/+source/aide/0.16.1-1ubuntu0.1 https://launchpad.net/ubuntu/+source/aide/0.16-3ubuntu0.1