CVE-2023-2737 : Vulnerability Insights and Analysis

This CVE, assigned by THA-PSIRT, involves an improper log permissions vulnerability in SafeNet Authtentication Service Agent by Thales, potentially leading to denial of service through local privilege escalation. The CVE was published on August 16, 2023.

Understanding CVE-2023-2737

This section delves into the details of CVE-2023-2737, shedding light on the vulnerability and its implications.

What is CVE-2023-2737?

CVE-2023-2737 highlights an issue with SafeNet Authentication Service Version 3.4.0 on Windows, where an authenticated attacker could exploit improper log permissions to execute a denial of service attack.

The Impact of CVE-2023-2737

The impact of this vulnerability can result in a local privilege escalation, potentially causing a denial of service situation. The vulnerability is categorized under CAPEC-233, which refers to Privilege Escalation.

Technical Details of CVE-2023-2737

This section provides more technical insights into the vulnerability, including how systems are affected and the exploitation mechanism.

Vulnerability Description

The vulnerability arises due to improper log permissions in SafeNet Authentication Service Version 3.4.0 on Windows. It allows authenticated attackers to perform a denial of service via local privilege escalation.

Affected Systems and Versions

The specific product impacted is SafeNet Authentication Service Agent version 3.6.0, with versions less than 3.6.1 being vulnerable. The issue is relevant to Windows platforms.

Exploitation Mechanism

The vulnerability can be exploited through local access by an authenticated attacker, leveraging the improper log permissions to elevate privileges and disrupt service availability.

Mitigation and Prevention

In response to CVE-2023-2737, it is crucial to undertake immediate steps, adopt long-term security practices, and ensure timely patching and updates to safeguard systems and mitigate risks effectively.

Immediate Steps to Take

Organizations should assess the impacted systems running the vulnerable version.
Implement least privilege access controls to limit the ability to exploit the vulnerability.
Monitor log directory permissions and access to detect and prevent unauthorized actions.

Long-Term Security Practices

Regular security assessments and audits to identify and address similar vulnerabilities.
Provide security awareness training for users to recognize and report suspicious activities.
Establish incident response procedures to swiftly respond to security incidents and mitigate potential damages.

Patching and Updates

It is imperative to apply the necessary patches or updates provided by Thales for SafeNet Authentication Service Agent to address the vulnerability.
Stay informed about security advisories and updates from the vendor to enhance the security posture of the affected systems.