[USN-5192-2] Apache Log4j 2 vulnerability
eduardo.barretto at canonical.com
Fri Dec 17 13:07:46 UTC 2021
Ubuntu Security Notice USN-5192-2
December 17, 2021
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM
Apache Log4j 2 could be made to crash or run programs as an administrator
if it received a specially crafted input.
- apache-log4j2: Apache Log4j - Logging Framework for Java
USN-5192-1 fixed a vulnerability in Apache Log4j 2. This update provides
the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run
programs via a special crafted input. An attacker could use this vulnerability
to cause a denial of service or possibly execute arbitrary code.
The problem can be corrected by updating your system to the following
Ubuntu 16.04 ESM:
In general, a standard system update will make all the necessary changes.
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