Log4j 1.x - Remote Code Execution (CVE-2019-17571)

Log4jv 1.x logging library is affected by a Remote Code Execution vulnerability. The root cause of this vulnerability is that SocketServer class is vulnerable to an insecure deserialization of data which can lead to remote code execution when the server is listening to untrusted network traffic for log data. All the versions between 1.2.0 and 1.2.17 are affected.

Sniper can gain unauthenticated Remote Code Execution on the target system and extract multiple artefacts as evidence.

The risk exists that a remote unauthenticated attacker can fully compromise the server in order to steal confidential information, install ransomware, or pivot to the internal network.

Upgrade Log4j library to at least version 1.2.18 and apply security patches.

https://nvd.nist.gov/vuln/detail/CVE-2019-17571

https://www.whitesourcesoftware.com/vulnerability-database/CVE-2019-17571