CVE-2018-1088 : Security Advisory and Response

A vulnerability in the gluster 3.x snapshot scheduler has been identified, allowing unauthorized gluster clients to mount shared storage volumes and escalate their access privileges.

Understanding CVE-2018-1088

This CVE involves a security issue in the gluster 3.x snapshot scheduler, potentially leading to privilege escalation.

What is CVE-2018-1088?

The vulnerability in the gluster 3.x snapshot scheduler allows any gluster client with permission to mount gluster volumes to also mount a shared gluster storage volume and increase their access privileges by scheduling a harmful cronjob using a symlink.

The Impact of CVE-2018-1088

The vulnerability could be exploited by unauthorized users to escalate their access privileges, posing a significant security risk to affected systems.

Technical Details of CVE-2018-1088

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability in the gluster 3.x snapshot scheduler enables unauthorized gluster clients to mount shared storage volumes and potentially escalate their access privileges.

Affected Systems and Versions

Product: glusterfs
Vendor: Red Hat, Inc.
Versions affected: 3.x

Exploitation Mechanism

Unauthorized gluster clients can exploit this vulnerability by mounting shared gluster storage volumes and scheduling harmful cronjobs using symlinks.

Mitigation and Prevention

Protect your systems from CVE-2018-1088 with the following steps:

Immediate Steps to Take

Apply security patches provided by Red Hat, Inc.
Monitor system logs for any suspicious activities related to glusterfs.

Long-Term Security Practices

Regularly update and patch your glusterfs installations.
Implement least privilege access controls to restrict unauthorized access.

Patching and Updates

Ensure timely installation of security updates and patches to mitigate the risk of exploitation.