CVE-2023-21968 Security feature bypass in Java SE JDK and JRE
An unauthenticated attacker can bypass Java sandbox restrictions to modify accessible data in Java SE and GraalVM Enterprise Edition.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-21968?
CVE-2023-21968 is a low-severity vulnerability in Debian Debian Linux, published on 18 Apr 2023. 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: 8u361, 8u361-perf, 11.0.18, 17.0.6, 20; Oracle GraalVM Enterprise Edition: 20.3.9, 21.3.5 and 22.3.1. Difficult to exploit 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 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 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2023-21968?
3 open source packages ship an affected version, including java, java-min and jre. It affects 10 products.
| Package | Affected | Fixed in |
|---|---|---|
java Bitnami | All versions | 1.8.0, 8.0.371, 11.0.19, 17.0.7, 20.0.1 |
java-min Bitnami | All versions | 1.8.0, 8.0.371, 11.0.19, 17.0.7, 20.0.1 |
jre Bitnami | All versions | 1.8.0, 8.0.371, 11.0.19, 17.0.7, 20.0.1 |
Products include Debian Debian Linux, Netapp 7-Mode Transition Tool, Netapp Brocade San Navigator, Netapp Cloud Insights Acquisition Unit, Netapp Cloud Insights Storage Workload Security Agent, Netapp Oncommand Insight and 4 more.
How do I fix CVE-2023-21968?
Upgrade java to a fixed version for your release line: 1.8.0, 8.0.371, 11.0.19 or 17.0.7.
Is CVE-2023-21968 being exploited?
There is no known exploitation of CVE-2023-21968 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BIT-java-2023-21968, BIT-java-min-2023-21968, BIT-jre-2023-21968, CLEANSTART-2026-EF83129, CLEANSTART-2026-VZ76272, DEBIAN-CVE-2023-21968 and 11 more.