Critical Gross Security Advisory for Ubuntu: Protect Against Arbitrary Code Execution
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Gross could be made to crash or to allow arbitrary code execution. Software Description: - gross: fast and efficient greylist server with DNSBL support Details: It was discovered that Gross incorrectly handled memory when composing log entries. An attacker could possibly use this issue to cause Gross 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 24.04 LTS gross 1.0.2-4ubuntu0.24.04.1 Ubuntu 22.04 LTS gross 1.0.2-4ubuntu0.22.04.1 Ubuntu 20.04 LTS gross 1.0.2-4ubuntu0.20.04.1 Ubuntu 18.04 LTS gross 1.0.2-4ubuntu0.18.04.1~esm1 Available with Ubuntu Pro Ubuntu 16.04 LTS gross 1.0.2-4ubuntu0.16.04.1~esm1 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6942-1
CVE-2023-52159
Package Information
https://launchpad.net/ubuntu/+source/gross/1.0.2-4ubuntu0.24.04.1 https://launchpad.net/ubuntu/+source/gross/1.0.2-4ubuntu0.22.04.1 https://launchpad.net/ubuntu/+source/gross/1.0.2-4ubuntu0.20.04.1