Ubuntu Security Notice USN-4495-1
September 15, 2020
Apache Log4j vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
Apache Log4j could be made to remotely execute arbitrary code if it
received specially crafted log data.
- apache-log4j1.2: Java-based open-source logging tool
It was discovered that Apache Log4j does not properly deserialize
untrusted data. An attacker could possibly use this issue to remotely
execute arbitrary code. (CVE-2019-17571)
The problem can be corrected by updating your system to the following
Ubuntu 18.04 LTS:
In general, a standard system update will make all the necessary changes.