CVE-2018-11642 : Vulnerability Insights and Analysis

Local users can execute code as the root user due to incorrect permission assignment on the /var/www/xms/cleanzip.sh shell script in Dialogic PowerMedia XMS through version 3.5.

Understanding CVE-2018-11642

Local users can exploit a vulnerability to gain root access on the system.

What is CVE-2018-11642?

This CVE describes a vulnerability in Dialogic PowerMedia XMS that allows local users to execute code as the root user.

The Impact of CVE-2018-11642

The vulnerability enables unauthorized users to escalate their privileges and potentially compromise the entire system.

Technical Details of CVE-2018-11642

The technical aspects of the vulnerability in detail.

Vulnerability Description

The incorrect permission assignment on the /var/www/xms/cleanzip.sh shell script allows local users to run code as the root user.

Affected Systems and Versions

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

Exploitation Mechanism

Local users can exploit the vulnerability by manipulating the permissions on the specified shell script.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2018-11642.

Immediate Steps to Take

Restrict access to the vulnerable shell script
Monitor system logs for suspicious activities

Long-Term Security Practices

Regularly review and update permission settings on critical scripts
Implement the principle of least privilege to limit user access

Patching and Updates

Apply patches or updates provided by Dialogic to address the vulnerability.