CVE-2022-21476 Information disclosure in Java SE JDK and JRE
Unauthenticated attackers can access critical data via network protocols in Oracle Java SE and GraalVM due to improper access control in libraries.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-21476?
CVE-2022-21476 is a high-severity vulnerability in Debian Debian Linux, published on 19 Apr 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: Libraries). Supported versions that are affected are Oracle Java SE: 7u331, 8u321, 11.0.14, 17.0.2, 18; Oracle GraalVM Enterprise Edition: 20.3.5, 21.3.1 and 22.0.0.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all 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 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2022-21476?
3 open source packages ship an affected version, including java, java-min and jre. It affects 17 products.
| Package | Affected | Fixed in |
|---|---|---|
java Bitnami | All versions | 1.7.0, 1.8.0, 7.0.341, 8.0.331, 11.0.15, 17.0.3, 18.0.1 |
java-min Bitnami | All versions | 1.7.0, 1.8.0, 7.0.341, 8.0.331, 11.0.15, 17.0.3, 18.0.1 |
jre Bitnami | All versions | 1.7.0, 1.8.0, 7.0.341, 8.0.331, 11.0.15, 17.0.3, 18.0.1 |
Products include Azul Zulu, Debian Debian Linux, Netapp Active Iq Unified Manager, Netapp Bootstrap Os, Netapp Cloud Insights Acquisition Unit, Netapp Cloud Secure Agent and 11 more.
How do I fix CVE-2022-21476?
Upgrade java to a fixed version for your release line: 1.7.0, 1.8.0, 7.0.341 or 8.0.331.
Is CVE-2022-21476 being exploited?
There is no known exploitation of CVE-2022-21476 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BIT-java-2022-21476, BIT-java-min-2022-21476, BIT-jre-2022-21476, CLEANSTART-2026-RJ29579, CLEANSTART-2026-ZW13117, DEBIAN-CVE-2022-21476 and 10 more.