CVE-2023-1778 : Security Advisory and Response

This CVE record discusses a vulnerability identified in GajShield Data Security Firewall, which allows remote attackers to gain unauthorized access and execute arbitrary commands with administrative privileges due to insecure default credentials.

Understanding CVE-2023-1778

This section delves into the details of CVE-2023-1778, shedding light on what the vulnerability entails and its potential impact.

What is CVE-2023-1778?

The vulnerability exists in GajShield Data Security Firewall firmware versions prior to v4.28 (except v4.21), enabling remote attackers to log in as superusers using default credentials via the web-based management interface or exposed SSH port. This exploit grants them the ability to execute arbitrary commands with administrative/superuser privileges on the targeted systems. The issue has been addressed by mandating users to change their default passwords.

The Impact of CVE-2023-1778

The impact of this vulnerability is categorized under CAPEC-114 Authentication Abuse, signifying the severity and consequences of unauthorized access and command execution with high confidentiality, integrity, and availability impacts.

Technical Details of CVE-2023-1778

This section provides a deeper insight into the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in GajShield Data Security Firewall arises from insecure default credentials, enabling remote attackers to bypass authentication measures and gain unauthorized access with elevated privileges on vulnerable systems.

Affected Systems and Versions

GajShield Data Security Firewall firmware versions prior to v4.28 (excluding v4.21) are affected by this vulnerability, leaving systems susceptible to unauthorized access and arbitrary command execution.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by leveraging default credentials via the web-based management interface or exposed SSH port, allowing them to execute malicious commands with administrative privileges.

Mitigation and Prevention

In light of CVE-2023-1778, it is crucial for organizations to undertake immediate steps for remediation and implement long-term security practices to prevent such vulnerabilities in the future.

Immediate Steps to Take

Users should update GajShield Data Security Firewall firmware to the latest version to mitigate the risk associated with the default credential vulnerability.
Organizations should enforce strong password policies and ensure that default credentials are changed to unique, non-default passwords promptly.

Long-Term Security Practices

Regular security assessments and audits should be conducted to identify and address potential vulnerabilities proactively.
Security awareness training for employees can help in promoting good cybersecurity practices and prevent unauthorized access.
Implementing multi-factor authentication and role-based access controls can enhance the overall security posture of the organization.

Patching and Updates

Organizations should stay vigilant for security updates and patches released by GajShield and promptly apply them to ensure that systems are protected against known vulnerabilities and exploits.