CVE-2018-3211 Missing authorization in Java

Medium 6.6 Published 17 Oct 2018 Updated 2 Oct 2024

Low-privileged attackers can modify or read critical data in Java SE when Java Usage Tracker is enabled, requiring human interaction.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2018-3211?

CVE-2018-3211 is a medium-severity missing authorization vulnerability in Oracle Jdk, published on 17 Oct 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Vulnerability in the Java SE, Java SE Embedded component of Oracle Java SE (subcomponent: Serviceability). Supported versions that are affected are Java SE: 8u182 and 11; Java SE Embedded: 8u181. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Java SE, Java SE Embedded executes to compromise Java SE, Java SE Embedded. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java SE, Java SE Embedded accessible data as well as unauthorized access to critical data or complete access to all Java SE, Java SE Embedded accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets (in Java SE 8), that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g. code installed by an administrator). This vulnerability can only be exploited when Java Usage Tracker functionality is being used. CVSS 3.0 Base Score 6.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N).

Which versions are affected by CVE-2018-3211?

It affects 2 products.

Products include Oracle Jdk, Oracle Jre.

How do I fix CVE-2018-3211?

Apply the vendor's patch.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2018-3211 being exploited?

There is no known exploitation of CVE-2018-3211 in the wild and no public exploit code.

All Oracle Jdk vulnerabilities

Sources

Also known as GHSA-pj59-cg4q-jfjr.