CVE-2018-6635 : What You Need to Know

Avaya Aura prior to version 7.1.2 has a vulnerability that allows remote attackers to bypass restrictions on Remote Method Invocation (RMI) due to SSL authentication implementation issues.

Understanding CVE-2018-6635

This CVE entry highlights a security flaw in Avaya Aura that affects the SSL authentication mechanism.

What is CVE-2018-6635?

The SSL authentication implementation in Avaya Aura before version 7.1.2 is flawed, enabling attackers to circumvent intended restrictions on RMI vulnerability.

The Impact of CVE-2018-6635

This vulnerability, identified as SMGR-26896, poses a risk of unauthorized access and potential exploitation by remote attackers.

Technical Details of CVE-2018-6635

Avaya Aura's security weakness is detailed below.

Vulnerability Description

System Manager in Avaya Aura prior to 7.1.2 fails to correctly utilize SSL with authentication, allowing attackers to bypass RMI restrictions.

Affected Systems and Versions

Product: Avaya Aura
Versions affected: Prior to 7.1.2

Exploitation Mechanism

The vulnerability enables remote attackers to bypass RMI restrictions, potentially leading to unauthorized access and exploitation.

Mitigation and Prevention

Protect your systems from CVE-2018-6635 with the following measures.

Immediate Steps to Take

Update Avaya Aura to version 7.1.2 or later to mitigate the vulnerability.
Monitor network traffic for any suspicious activity that could indicate exploitation.

Long-Term Security Practices

Implement strong authentication mechanisms and access controls to prevent unauthorized access.
Regularly audit and update SSL configurations to ensure secure communication.

Patching and Updates

Stay informed about security updates and patches released by Avaya to address this vulnerability.