1. Ubuntu Security Notices
  2. USN-4495-1

USN-4495-1: Apache Log4j vulnerability

Publication date

15 September 2020

Overview

Apache Log4j could be made to remotely execute arbitrary code if it received specially crafted log data.

Releases

Packages

Details

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)

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)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
18.04 bionic liblog4j1.2-java –  1.2.17-8+deb10u1build0.18.04.1

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References

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