CVE-2018-10930 : What You Need to Know

A vulnerability has been discovered in the glusterfs server that affects RPC requests using gfs3_rename_req. If exploited, an attacker who is authenticated could utilize this vulnerability to perform unauthorized writing to a location outside the gluster volume.

Understanding CVE-2018-10930

This CVE involves a flaw in RPC requests using gfs3_rename_req in the glusterfs server, potentially allowing an authenticated attacker to write to a destination outside the gluster volume.

What is CVE-2018-10930?

CVE-2018-10930 is a medium-severity vulnerability found in the glusterfs server that could be exploited by an authenticated attacker to write to unauthorized locations outside the gluster volume.

The Impact of CVE-2018-10930

The vulnerability could lead to unauthorized writing by authenticated attackers, compromising the integrity of the gluster volume.

Technical Details of CVE-2018-10930

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in glusterfs server allows authenticated attackers to write to locations outside the gluster volume using gfs3_rename_req in RPC requests.

Affected Systems and Versions

Product: glusterfs
Vendor: Red Hat
Affected Version: n/a

Exploitation Mechanism

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

Mitigation and Prevention

Protect your systems from CVE-2018-10930 with these mitigation strategies.

Immediate Steps to Take

Apply vendor patches and updates promptly.
Monitor and restrict network access to vulnerable services.
Implement strong authentication mechanisms.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Red Hat has released security advisories (RHSA-2018:2607, RHSA-2018:2608, RHSA-2018:3470) to address the vulnerability.