CVE-2018-10924 : Exploit Details and Defense Strategies

A memory leak vulnerability was discovered in the glusterfs client code, potentially allowing an attacker to conduct a denial of service attack by exhausting memory resources.

Understanding CVE-2018-10924

This CVE involves a memory leak in the glusterfs client code related to the fsync(2) system call, posing a risk of denial of service attacks.

What is CVE-2018-10924?

The vulnerability in the glusterfs client code allows an authorized attacker to exhaust memory resources on the host machine by causing gluster clients to consume excessive memory.

The Impact of CVE-2018-10924

CVSS Base Score: 5.3 (Medium Severity)
Attack Vector: Network
Attack Complexity: Low
Availability Impact: Low
No Confidentiality or Integrity Impact
No Privileges Required
Scope: Unchanged
This vulnerability could be exploited by an attacker to launch denial of service attacks.

Technical Details of CVE-2018-10924

The technical details of the CVE-2018-10924 vulnerability in glusterfs client code.

Vulnerability Description

The vulnerability involves a memory leak in the glusterfs client code related to the fsync(2) system call.

Affected Systems and Versions

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

Exploitation Mechanism

An authorized attacker could exploit this vulnerability to conduct denial of service attacks by causing gluster clients to consume excessive memory.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2018-10924.

Immediate Steps to Take

Monitor memory usage on systems running glusterfs.
Apply vendor patches or updates promptly.

Long-Term Security Practices

Regularly update and patch glusterfs installations.
Implement network segmentation and access controls.

Patching and Updates

Apply the latest patches and updates provided by Red Hat for glusterfs.