CVE-2018-10913 : Security Advisory and Response

A security flaw in the glusterfs server allows attackers to use a glusterfs FUSE to send a xattr request, potentially exposing files on the system.

Understanding CVE-2018-10913

This CVE involves an information disclosure vulnerability in the glusterfs server, impacting Red Hat's glusterfs product.

What is CVE-2018-10913?

An attacker can issue a xattr request via glusterfs FUSE to determine the existence of any file on the system.

The Impact of CVE-2018-10913

CVSS Base Score: 3.5 (Low)
Attack Vector: Adjacent Network
Confidentiality Impact: Low
Integrity Impact: None
Privileges Required: Low
This vulnerability has a low severity impact.

Technical Details of CVE-2018-10913

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw allows attackers to reveal the presence of files on the system using a specific xattr request.

Affected Systems and Versions

Affected Product: glusterfs
Vendor: Red Hat
Affected Version: Not applicable (n/a)

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing a glusterfs FUSE to send a xattr request.

Mitigation and Prevention

Protecting systems from CVE-2018-10913 requires immediate actions and long-term security practices.

Immediate Steps to Take

Monitor vendor advisories and apply security updates promptly.
Restrict network access to vulnerable systems.

Long-Term Security Practices

Regularly update and patch systems to address known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Apply the security updates provided by Red Hat to mitigate the vulnerability.