CVE-2023-3527 : Vulnerability Insights and Analysis

This CVE-2023-3527 was assigned by Avaya and published on July 18, 2023. It reveals a CSV injection vulnerability in the Avaya Call Management System (CMS) Supervisor web application, potentially allowing arbitrary command execution by a user with administrative privileges.

Understanding CVE-2023-3527

This vulnerability, known as a CSV injection, has a medium severity level and requires a high level of privileges and user interaction for exploitation. The attack complexity is high, and it impacts the confidentiality of data within the affected system.

What is CVE-2023-3527?

The vulnerability in the Avaya Call Management System (CMS) Supervisor web application enables a user with administrative rights to insert manipulated data. When this data is exported to a CSV file and opened with spreadsheet software like Microsoft Excel, it can lead to the execution of unauthorized commands on the system.

The Impact of CVE-2023-3527

The impact of this vulnerability, categorized as CAPEC-23 File Content Injection, poses a significant risk to confidentiality, allowing for potential unauthorized access to sensitive information stored within the system.

Technical Details of CVE-2023-3527

This section delves into the specific technical aspects of the vulnerability, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The CVE-2023-3527 vulnerability resides in the Avaya Call Management System (CMS) Supervisor web application, where an attacker with administrative privileges can inject crafted data into CSV files. This manipulated data, when opened with compatible software, can trigger the execution of arbitrary commands on the system.

Affected Systems and Versions

The Avaya Call Management System version 19.x.x.x is confirmed to be affected by this vulnerability. Users utilizing this specific version should take immediate action to mitigate the risk of exploitation.

Exploitation Mechanism

To exploit CVE-2023-3527, an attacker needs administrative privileges within the Avaya Call Management System (CMS) Supervisor web application. By inserting malicious data into CSV files and exporting them, the attacker can potentially execute unauthorized commands when the file is accessed by spreadsheet software.

Mitigation and Prevention

To secure systems against the CVE-2023-3527 vulnerability, organizations should implement immediate steps, adopt long-term security practices, and prioritize timely patching and updates.

Immediate Steps to Take

Limit user privileges and access levels to minimize the impact of potential attacks.
Educate users on recognizing and avoiding suspicious activities related to CSV files.
Consider implementing security measures to detect and prevent CSV injection attempts within the Avaya Call Management System.

Long-Term Security Practices

Regularly update and monitor the Avaya Call Management System software to ensure the latest security patches are applied.
Conduct thorough security assessments and penetration tests to identify and address vulnerabilities proactively.

Patching and Updates

Avaya is expected to release patches or updates to address the CVE-2023-3527 vulnerability. Organizations using the affected version should promptly apply these patches to safeguard their systems from potential exploitation.