CVE-2018-1128 : Security Advisory and Response

A vulnerability in the cephx authentication protocol used in the Ceph storage system could allow an attacker to carry out unauthorized actions on the ceph service.

Understanding CVE-2018-1128

This CVE identifies a flaw in the cephx authentication protocol that could be exploited by attackers to authenticate with the ceph service and perform unauthorized actions.

What is CVE-2018-1128?

The vulnerability in the cephx authentication protocol allows attackers with network access to the ceph cluster to intercept packets and authenticate with the ceph service, potentially leading to unauthorized actions.

The Impact of CVE-2018-1128

The vulnerability enables attackers to exploit the cephx authentication flaw, potentially compromising the integrity and security of the Ceph storage system.

Technical Details of CVE-2018-1128

The technical details of the CVE-2018-1128 vulnerability in the cephx authentication protocol are as follows:

Vulnerability Description

The flaw in the cephx authentication protocol allows for a replay attack, enabling unauthorized authentication with the ceph service.

Affected Systems and Versions

Product: Ceph
Vendor: Red Hat, Inc.
Affected Versions: All versions in branches master, mimic, luminous, and jewel

Exploitation Mechanism

Attackers with access to the ceph cluster network can intercept packets and exploit the vulnerability to authenticate with the ceph service.

Mitigation and Prevention

To address CVE-2018-1128 and enhance security measures, consider the following mitigation strategies:

Immediate Steps to Take

Apply security patches provided by Red Hat, Inc.
Monitor network traffic for any suspicious activities.
Restrict network access to the ceph cluster to authorized personnel only.

Long-Term Security Practices

Implement network segmentation to isolate critical systems.
Regularly update and patch the Ceph storage system to address known vulnerabilities.

Patching and Updates

Stay informed about security advisories and updates from Red Hat, Inc.
Apply recommended patches promptly to mitigate the risk of exploitation.