[USN-4495-1] Apache Log4j vulnerability

Emilia Torino emilia.torino at canonical.com
Tue Sep 15 15:50:17 UTC 2020

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.

Software Description:
- 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)

Update instructions:

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

Ubuntu 18.04 LTS:
  liblog4j1.2-java                1.2.17-8+deb10u1build0.18.04.1

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


Package Information:


-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20200915/f8ebf0f7/attachment.sig>

More information about the ubuntu-security-announce mailing list