CVE-2023-28015 : What You Need to Know

This CVE record highlights a vulnerability identified in the HCL Domino AppDev Pack, potentially putting users at risk of account enumeration by malicious actors.

Understanding CVE-2023-28015

This section delves into the details surrounding CVE-2023-28015, shedding light on the vulnerability's nature and its potential impact on affected systems.

What is CVE-2023-28015?

CVE-2023-28015 points out a User Account Enumeration vulnerability within the HCL Domino AppDev Pack's IAM service. This flaw allows attackers to differentiate messages during failed login attempts, enabling them to discern the validity of user accounts and potentially focus brute force attacks on verified accounts.

The Impact of CVE-2023-28015

The vulnerability poses a medium severity risk, with a CVSS base score of 5.3. While there is no direct impact on the system's availability or integrity, there is a low confidentiality impact. The attack vector is through the network, with no privileges required and no need for user interaction.

Technical Details of CVE-2023-28015

This section provides a more in-depth look at the vulnerability, including its description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The HCL Domino AppDev Pack IAM service is vulnerable to a User Account Enumeration flaw, allowing attackers to determine valid user accounts based on differences in error messages during failed login attempts.

Affected Systems and Versions

The specific version impacted by this vulnerability is "< 1.0.6" of the Domino AppDev Pack by HCL Software.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the error message discrepancies during failed login attempts to identify valid user accounts and potentially launch targeted brute force attacks.

Mitigation and Prevention

In light of CVE-2023-28015, it is crucial for organizations and users to take immediate steps to address the vulnerability and prevent potential exploitation.

Immediate Steps to Take

Organizations should update the HCL Domino AppDev Pack to version 1.0.6 or above to mitigate the User Account Enumeration vulnerability.
Implement strong password policies to enhance security and prevent brute force attacks.

Long-Term Security Practices

Regularly monitor and assess security vulnerabilities within software applications to address issues promptly.
Conduct security training for users to raise awareness about account security best practices.

Patching and Updates

Stay informed about security updates and patches released by HCL Software for the Domino AppDev Pack to ensure the latest security measures are in place.