CVE-2022-21618 Auth bypass in Java SE JDK and JRE

Medium 5.3 Published Updated

An unauthenticated attacker can bypass Kerberos authentication in Oracle Java SE JGSS to modify accessible data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2022-21618?

CVE-2022-21618 is a medium-severity authentication bypass vulnerability in Fedoraproject Fedora, published on 18 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JGSS). Supported versions that are affected are Oracle Java SE: 17.0.4.1, 19; Oracle GraalVM Enterprise Edition: 21.3.3 and 22.2.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via Kerberos to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).

Weakness: CWE-287

Which versions are affected by CVE-2022-21618?

3 open source packages ship an affected version, including java, java-min and jre. It affects 14 products.

PackageAffectedFixed in
java BitnamiFrom 12.0.017.0.5, 19.0.1
java-min BitnamiFrom 12.0.017.0.5, 19.0.1
jre BitnamiFrom 12.0.017.0.5, 19.0.1

Products include Azul Zulu, Fedoraproject Fedora, Netapp 7-Mode Transition Tool, Netapp Cloud Insights Acquisition Unit, Netapp Cloud Secure Agent, Netapp E-Series Santricity Os Controller and 8 more.

How do I fix CVE-2022-21618?

Upgrade java to a fixed version for your release line: 17.0.5 or 19.0.1.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2022-21618 being exploited?

There is no known exploitation of CVE-2022-21618 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as BIT-java-2022-21618, BIT-java-min-2022-21618, BIT-jre-2022-21618, CLEANSTART-2026-UD36751, DEBIAN-CVE-2022-21618, GHSA-wq9f-w2rj-j5wc and 7 more.

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