CVE-2023-2818 : Security Advisory and Response

This CVE-2023-2818 article provides detailed information about a security vulnerability identified in the Insider Threat Management Agent for Windows by Proofpoint.

Understanding CVE-2023-2818

This section will cover what CVE-2023-2818 is and its impact, along with technical details and mitigation techniques.

What is CVE-2023-2818?

CVE-2023-2818 pertains to an insecure filesystem permission within the Insider Threat Management Agent for Windows. This vulnerability allows local unprivileged users to disrupt agent monitoring. It affects all versions prior to 7.14.3, while the Agents for MacOS, Linux, and Cloud remain unaffected.

The Impact of CVE-2023-2818

The impact of this vulnerability is rated as MEDIUM severity with a CVSS v3.1 base score of 5.5. It has a LOW attack complexity, requiring LOW privileges, and has a HIGH availability impact. However, it does not have any impact on confidentiality or integrity.

Technical Details of CVE-2023-2818

This section delves into the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The insecure filesystem permission in the Insider Threat Management Agent for Windows allows local unprivileged users to disrupt agent monitoring, posing a risk to the system's overall security.

Affected Systems and Versions

The vulnerability affects all versions of the Insider Threat Management Agent for Windows that are prior to version 7.14.3. It does not impact the Agents for MacOS, Linux, and Cloud.

Exploitation Mechanism

Local unprivileged users can exploit this vulnerability to disrupt agent monitoring on Windows systems running affected versions of the Insider Threat Management Agent.

Mitigation and Prevention

This section covers the steps that can be taken to mitigate the risks posed by CVE-2023-2818.

Immediate Steps to Take

It is recommended to update the Insider Threat Management Agent for Windows to version 7.14.3 or later to address the insecure filesystem permission vulnerability. Additionally, limiting access to the affected system can help reduce the risk of exploitation.

Long-Term Security Practices

Regularly monitoring and updating software, implementing least privilege access controls, and conducting security audits can help prevent similar vulnerabilities from being exploited in the future.

Patching and Updates

Proofpoint has released version 7.14.3 of the Insider Threat Management Agent for Windows to mitigate this vulnerability. Users are advised to apply the latest updates provided by the vendor to ensure system security.