CVE-2018-11635 : What You Need to Know

Remote attackers can bypass authentication in Dialogic PowerMedia XMS through version 3.5 by exploiting the use of a hard-coded cryptographic key used to protect cookie session data in the administrative console located in /var/www/xms/application/config/config.php.

Understanding CVE-2018-11635

This CVE involves a vulnerability in Dialogic PowerMedia XMS that allows remote attackers to bypass authentication.

What is CVE-2018-11635?

The vulnerability in Dialogic PowerMedia XMS through version 3.5 enables remote attackers to bypass authentication by exploiting a hard-coded cryptographic key.

The Impact of CVE-2018-11635

The exploitation of this vulnerability can lead to unauthorized access to the administrative console of Dialogic PowerMedia XMS, compromising the security of the system.

Technical Details of CVE-2018-11635

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability arises from the use of a hard-coded cryptographic key in /var/www/xms/application/config/config.php, allowing attackers to manipulate cookie session data and bypass authentication.

Affected Systems and Versions

Product: Dialogic PowerMedia XMS
Versions affected: Up to version 3.5

Exploitation Mechanism

Attackers exploit the hard-coded cryptographic key to manipulate cookie session data, gaining unauthorized access to the administrative console.

Mitigation and Prevention

Protecting systems from CVE-2018-11635 is crucial to maintaining security.

Immediate Steps to Take

Disable or remove the hard-coded cryptographic key in the affected file.
Monitor and restrict access to the administrative console.

Long-Term Security Practices

Implement strong authentication mechanisms.
Regularly update and patch the Dialogic PowerMedia XMS software.

Patching and Updates

Ensure that the Dialogic PowerMedia XMS software is updated to a version that addresses the vulnerability.