CVE-2020-10745 : What You Need to Know

A flaw in Samba versions before 4.10.17, 4.11.11, and 4.12.4 allows remote attackers to cause denial of service by consuming excessive CPU use.

Understanding CVE-2020-10745

This CVE involves uncontrolled resource consumption in Samba, impacting system availability.

What is CVE-2020-10745?

CVE-2020-10745 is a vulnerability in Samba versions prior to 4.10.17, 4.11.11, and 4.12.4 related to NetBios over TCP/IP processing.

The Impact of CVE-2020-10745

The vulnerability allows remote attackers to exploit Samba servers, leading to denial of service due to excessive CPU consumption.

Technical Details of CVE-2020-10745

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The flaw in Samba versions before 4.10.17, 4.11.11, and 4.12.4 results in uncontrolled resource consumption, enabling a denial of service attack.

Affected Systems and Versions

All Samba versions before 4.10.17, 4.11.11, and 4.12.4

Exploitation Mechanism

Remote attackers can exploit the vulnerability by causing the Samba server to consume excessive CPU, impacting system availability.

Mitigation and Prevention

Protecting systems from CVE-2020-10745 is crucial for maintaining security.

Immediate Steps to Take

Apply patches provided by Samba to mitigate the vulnerability.
Monitor CPU usage on Samba servers for unusual spikes.
Implement network segmentation to limit exposure.

Long-Term Security Practices

Regularly update Samba to the latest versions to address security flaws.
Conduct security assessments to identify and remediate vulnerabilities.

Patching and Updates

Stay informed about security advisories from Samba and apply patches promptly.