CVE-2018-1129 : Exploit Details and Defense Strategies
Discover the impact of CVE-2018-1129 affecting ceph storage systems. Learn about the flaw in signature calculation allowing attackers to bypass checks and how to mitigate the vulnerability.
A vulnerability was discovered in the cephx authentication protocol's handling of signature calculation, potentially allowing attackers to bypass signature checks. This CVE affects all versions in branches master, mimic, luminous, and jewel.
Understanding CVE-2018-1129
This CVE impacts the ceph storage system due to a flaw in the cephx authentication protocol.
What is CVE-2018-1129?
The vulnerability in the cephx authentication protocol allows attackers to evade signature checks by modifying message payloads within the ceph cluster network.
The Impact of CVE-2018-1129
The vulnerability could be exploited by attackers with network access to the ceph cluster, potentially leading to unauthorized access and data manipulation.
Technical Details of CVE-2018-1129
This section provides detailed technical information about the CVE.
Vulnerability Description
The flaw in signature calculation handling within the cephx authentication protocol enables attackers to bypass signature verification.
Affected Systems and Versions
- Product: ceph
- Vendor: Red Hat, Inc.
- Vulnerable Versions: all versions in branches master, mimic, luminous, and jewel
Exploitation Mechanism
Attackers gaining access to the ceph cluster network can modify message payloads to evade signature checks implemented by the cephx protocol.
Mitigation and Prevention
Protecting systems from CVE-2018-1129 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches provided by Red Hat, Inc. to address the vulnerability.
- Monitor network traffic for any suspicious activities.
- Restrict network access to critical systems.
Long-Term Security Practices
- Regularly update and patch software to prevent vulnerabilities.
- Implement network segmentation to limit the impact of potential breaches.
- Conduct regular security audits and assessments.
Patching and Updates
Ensure all ceph installations are updated with the latest patches from Red Hat, Inc. to mitigate the CVE-2018-1129 vulnerability.