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CVE-2018-11786

8.8 · HIGH

In Apache Karaf prior to 4.2.0 release, if the sshd service in Karaf is left on so an administrator can manage the running instance, any user with rights to the Karaf console can pivot and read/wri…

Published Sep 18, 2018CWE-269EPSS 1.90%

Overview

CVE-2018-11786 is a high-severity vulnerability. It was published on September 18, 2018 and has a CVSS 3.0 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

In Apache Karaf prior to 4.2.0 release, if the sshd service in Karaf is left on so an administrator can manage the running instance, any user with rights to the Karaf console can pivot and read/write any file on the file system to which the Karaf process user has access. This can be locked down a bit by using chroot to change the root directory to protect files outside of the Karaf install directory; it can be further locked down by defining a security manager policy that limits file system access to those directories beneath the Karaf home that are necessary for the system to run. However, this still allows anyone with ssh access to the Karaf process to read and write a large number of files as the Karaf process user.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refkaraf.apache.org/security/cve-2018-11786.txtRefissues.apache.org/jira/browse/KARAF-5427Reflists.apache.org/thread.html/5b7ac762c6bbe77ac5d9389f093fc6dbf196c36d788e3d7629e6c1d9%40%3Cdev.karaf.apache.org%3ERefkaraf.apache.org/security/cve-2018-11786.txtRefissues.apache.org/jira/browse/KARAF-5427Reflists.apache.org/thread.html/5b7ac762c6bbe77ac5d9389f093fc6dbf196c36d788e3d7629e6c1d9%40%3Cdev.karaf.apache.org%3E

How CyberStrike helps

Frequently asked questions

What is CVE-2018-11786?

CVE-2018-11786 is a high-severity vulnerability. It was published on September 18, 2018 and has a CVSS 3.0 base score of 8.8 (HIGH).

How severe is CVE-2018-11786?

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-11786?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-11786?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-11786 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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