CVE-2020-11637 : Vulnerability Insights and Analysis

A memory leak in the TFTP service in B&R Automation Runtime versions <N4.26, <N4.34, <F4.45, <E4.53, <D4.63, <A4.73 and prior could allow an unauthenticated attacker to cause a denial of service (DoS) condition.

Understanding CVE-2020-11637

This CVE involves a vulnerability in the TFTP service of B&R Automation Runtime that could lead to a DoS attack.

What is CVE-2020-11637?

CVE-2020-11637 is a memory leak vulnerability in the TFTP service of B&R Automation Runtime versions, allowing an attacker to trigger a DoS attack.

The Impact of CVE-2020-11637

The vulnerability could be exploited by an unauthenticated attacker with network access to disrupt the service, leading to a DoS condition.

Technical Details of CVE-2020-11637

This section provides more technical insights into the vulnerability.

Vulnerability Description

The memory leak in the TFTP service of B&R Automation Runtime versions could be exploited to cause a DoS condition.

Affected Systems and Versions

Product: Automation Runtime
Vendor: B&R
Affected Versions: <=4.1x, <N4.26, <N4.34, <F4.45, <E4.53, <D4.63, <A4.73 and prior

Exploitation Mechanism

The vulnerability can be exploited by an unauthenticated attacker with network access.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Implement network security measures to restrict unauthorized access.

Long-Term Security Practices

Regularly monitor and update software to address vulnerabilities.
Conduct security assessments to identify and mitigate potential risks.

Patching and Updates

Stay informed about security advisories from B&R.
Keep the Automation Runtime software up to date to prevent exploitation of this vulnerability.