Apache Solr could be made to run programs if it received specially crafted network traffic.
Michael Stepankin and Olga Barinova discovered that Apache Solr was vulnerable to an XXE attack. An attacker could use this vulnerability to remotely execute code.
29 January 2020
A security issue affects these releases of Ubuntu and its derivatives:
Apache Solr could be made to run programs if it received specially crafted network traffic.
Michael Stepankin and Olga Barinova discovered that Apache Solr was vulnerable to an XXE attack. An attacker could use this vulnerability to remotely execute code.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.