CVE-2018-14652 : Vulnerability Insights and Analysis

Versions 3.12 and 4.1.4 of the Gluster file system have a vulnerability that allows a buffer overflow in the 'features/index' translator, potentially leading to a denial of service situation.

Understanding CVE-2018-14652

Versions 3.12 and 4.1.4 of GlusterFS are affected by a buffer overflow vulnerability.

What is CVE-2018-14652?

CVE-2018-14652 is a vulnerability in the Gluster file system that allows for a buffer overflow in the 'features/index' translator, triggered by the handling of the 'GF_XATTR_CLRLK_CMD' xattr within the 'pl_getxattr' function.

The Impact of CVE-2018-14652

If exploited by an attacker with remote authentication on a mounted volume, this vulnerability could result in a denial of service situation with high availability impact.

Technical Details of CVE-2018-14652

GlusterFS vulnerability details.

Vulnerability Description

The vulnerability in versions 3.12 and 4.1.4 allows a buffer overflow in the 'features/index' translator due to improper handling of the 'GF_XATTR_CLRLK_CMD' xattr within the 'pl_getxattr' function.

Affected Systems and Versions

Product: GlusterFS
Vendor: The Gluster Project
Versions Affected: 3.12 and 4.1.4

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: High

Mitigation and Prevention

Steps to address CVE-2018-14652.

Immediate Steps to Take

Apply security updates provided by the vendor.
Monitor for any unusual network activity.
Restrict network access to vulnerable systems.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Refer to vendor advisories for patching instructions and updates.