CVE-2018-11787 : Vulnerability Insights and Analysis
Learn about CVE-2018-11787 affecting Apache Karaf versions prior to 3.0.9, 4.0.9, and 4.1.1, allowing unauthorized access to the Karaf console. Find mitigation steps and preventive measures.
Apache Karaf versions prior to 3.0.9, 4.0.9, and 4.1.1 are affected by a vulnerability that allows unauthenticated access to the Karaf console.
Understanding CVE-2018-11787
In earlier versions of Apache Karaf, a security issue exists that enables unauthenticated users to access the Karaf console through the Gogo shell when the Pax Web Extender Whiteboard is installed.
What is CVE-2018-11787?
The vulnerability in Apache Karaf versions prior to 3.0.9, 4.0.9, and 4.1.1 allows unauthenticated users to access the Karaf console through the Gogo shell when the Pax Web Extender Whiteboard is installed.
The Impact of CVE-2018-11787
The vulnerability enables unauthorized users to access the Karaf console, potentially leading to unauthorized system access and data compromise.
Technical Details of CVE-2018-11787
Apache Karaf versions prior to 3.0.9, 4.0.9, and 4.1.1 are susceptible to unauthorized access through the Gogo shell when the Pax Web Extender Whiteboard is present.
Vulnerability Description
The issue arises when the Pax Web Extender Whiteboard is installed, allowing unauthenticated users to access the Karaf console through the Gogo shell at an unsecured URL.
Affected Systems and Versions
- Apache Karaf versions prior to 3.0.9
- Apache Karaf 4.0.x prior to 4.0.9
- Apache Karaf 4.1.x prior to 4.1.1
Exploitation Mechanism
Unauthorized users can exploit the vulnerability by accessing the Karaf console through the unsecured Gogo shell URL when the Pax Web Extender Whiteboard is installed.
Mitigation and Prevention
Immediate action is necessary to secure systems against CVE-2018-11787.
Immediate Steps to Take
- Manually stop or uninstall the Gogo plugin bundle associated with the webconsole feature to remove the console from the vulnerable URL.
- Consider stopping or uninstalling the Pax Web Extender Whiteboard, although this may impact other components relying on it.
Long-Term Security Practices
- Regularly monitor and update Apache Karaf to the latest secure versions.
- Implement access controls and authentication mechanisms to restrict unauthorized access.
Patching and Updates
- Apply patches provided by Apache Software Foundation to address the vulnerability and enhance system security.