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Researchers have disclosed a security flaw affecting H2 database consoles that could result in remote code execution in a manner that echoes the Log4j “Log4Shell” vulnerability that came to light last month.

The issue, tracked as CVE-2021-42392, is the ” first critical issue published since Log4Shell, on a component other than Log4j, that exploits the same root cause of the Log4Shell vulnerability, namely JNDI remote class loading,” JFrog researchers Andrey Polkovnychenko and Shachar Menashe said.

H2 is an open-source relational database management system written in Java that can be embedded within applications or run in a client-server mode. According to the Maven Repository, the H2 database engine is used by 6,807 artifacts.

JNDI, short for Java Naming and Directory Interface, refers to an API that provides naming and directory functionality for Java applications, which can use the API in conjunction with LDAP to locate a specific resource that it might need.

images from Hacker News