An apache-log4j1.2 security update has been released for Debian GNU/Linux 8 Extended LTS to address multiple security vulnerabilities.

ELA-557-1 apache-log4j1.2 security update

Package apache-log4j1.2
Version 1.2.17-5+deb8u2
Related CVEs CVE-2021-4104 CVE-2022-23302 CVE-2022-23305 CVE-2022-23307

Multiple security vulnerabilities have been discovered in Apache Log4j 1.2, a Java logging framework, when it is configured to use JMSSink, JDBCAppender, JMSAppender or Apache Chainsaw which could be exploited for remote code execution.

Note that a possible attacker requires write access to the Log4j configuration and the aforementioned features are not enabled by default. In order to completely mitigate against these type of vulnerabilities the related classes have been removed from the resulting jar file.

For Debian 8 jessie, these problems have been fixed in version 1.2.17-5+deb8u2.

We recommend that you upgrade your apache-log4j1.2 packages.

Further information about Extended LTS security advisories can be found at: https://deb.freexian.com/extended-lts/

  ELA-557-1 apache-log4j1.2 security update