Security Bypass Vulnerability in libjgroups-java: CVE-2016-2141
Summary
DEBIAN-CVE-2016-2141: It was found that JGroups did not require necessary headers for encrypt and auth protocols from new nodes joining the cluster. Affects libjgroups-java versions 2.12.2.Final-5 – 2.12.2.Final-6. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
libjgroups-java is a popular open-source library used for building reliable multicast communication in Java applications. It facilitates the creation of clusters and enables message passing between nodes. However, it has been found to have a security vulnerability that allows unauthorized access to cluster communications, potentially compromising sensitive information.
Vulnerability Detail
The vulnerability identified as CVE-2016-2141 arises from the failure of JGroups to enforce necessary security headers for encryption and authentication protocols when new nodes join a cluster. This oversight allows an attacker to bypass security restrictions, enabling them to send and receive messages within the cluster. The implications of this vulnerability include information disclosure, message spoofing, and the potential for further attacks on the system.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, you can restrict access to the cluster by implementing network-level security measures, such as firewalls or VPNs, to limit which nodes can join the cluster until a patch is applied.
Conclusion
The CVE-2016-2141 vulnerability in libjgroups-java poses significant security risks by allowing unauthorized access to cluster communications. It is crucial to update the package to the latest version to mitigate these risks. Additionally, utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time.
See every vulnerability recorded for libjgroups-java →
FAQ
CVE-2016-2141 is a security vulnerability in the libjgroups-java library that allows unauthorized access to cluster communications.
You can check if your application is affected by using the Vulert playground at Vulert Scanner, which allows you to monitor and alert for open-source vulnerabilities without requiring installation.
The risks include unauthorized access to sensitive information, message spoofing, and potential further attacks on the system.
Yes, a patched version of the libjgroups-java package is available. It is recommended to update to this version to mitigate the vulnerability.
If immediate updates are not possible, consider implementing network-level security measures to restrict access to the cluster as a temporary workaround.
References
Related vulnerabilities
Recent vulnerabilities recorded for libjgroups-java.
