[USN-5192-1] Apache Log4j 2 vulnerability
Paulo Flabiano Smorigo
pfsmorigo at canonical.com
Tue Dec 14 14:18:28 UTC 2021
==========================================================================
Ubuntu Security Notice USN-5192-1
December 14, 2021
apache-log4j2 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.10
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
Apache Log4j 2 could be made to crash or run programs as an administrator
if it received a specially crafted input.
Software Description:
- apache-log4j2: Apache Log4j - Logging Framework for Java
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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 21.10:
liblog4j2-java 2.15.0-0.21.10.1
Ubuntu 21.04:
liblog4j2-java 2.15.0-0.21.04.1
Ubuntu 20.04 LTS:
liblog4j2-java 2.15.0-0.20.04.1
Ubuntu 18.04 LTS:
liblog4j2-java 2.10.0-2ubuntu0.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5192-1
CVE-2021-44228
Package Information:
https://launchpad.net/ubuntu/+source/apache-log4j2/2.15.0-0.21.10.1
https://launchpad.net/ubuntu/+source/apache-log4j2/2.15.0-0.21.04.1
https://launchpad.net/ubuntu/+source/apache-log4j2/2.15.0-0.20.04.1
https://launchpad.net/ubuntu/+source/apache-log4j2/2.10.0-2ubuntu0.1
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20211214/fd6f9225/attachment.sig>
More information about the ubuntu-security-announce
mailing list