USN-5998-1: Apache Log4j vulnerabilities
5 April 2023
Several security issues were fixed in Apache Log4j.
Releases
Packages
- apache-log4j1.2 - Java-based open-source logging tool
Details
It was discovered that the SocketServer component of Apache Log4j 1.2
incorrectly handled deserialization. An attacker could possibly use this issue
to execute arbitrary code. This issue only affected Ubuntu 16.04 ESM.
(CVE-2019-17571)
It was discovered that the JMSSink component of Apache Log4j 1.2 incorrectly
handled deserialization. An attacker could possibly use this issue to execute
arbitrary code. (CVE-2022-23302)
It was discovered that Apache Log4j 1.2 incorrectly handled certain SQL
statements. A remote attacker could possibly use this issue to perform an SQL
injection attack and alter the database. This issue was only fixed in Ubuntu
18.04 LTS and Ubuntu 20.04 LTS. (CVE-2022-23305)
It was discovered that the Chainsaw component of Apache Log4j 1.2 incorrectly
handled deserialization. An attacker could possibly use this issue to execute
arbitrary code. This issue was only fixed in Ubuntu 18.04 LTS and Ubuntu 20.04
LTS. (CVE-2022-23307)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
-
liblog4j1.2-java
-
1.2.17-7ubuntu1+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.