CVE-2023-4802 : Vulnerability Insights and Analysis

This CVE-2023-4802 article provides detailed information about a reflected cross-site scripting vulnerability in the UpdateInstalledSoftware endpoint of the Insider Threat Management (ITM) Server, affecting versions prior to 7.14.3.69. The vulnerability was published on September 13, 2023, by Proofpoint.

Understanding CVE-2023-4802

This section dives deep into the specifics of CVE-2023-4802, shedding light on its nature and implications.

What is CVE-2023-4802?

CVE-2023-4802 is a reflected cross-site scripting vulnerability found in the UpdateInstalledSoftware endpoint of the ITM Server's web console. This vulnerability allows an authenticated administrator to execute arbitrary JavaScript within another administrator's browser through the web console.

The Impact of CVE-2023-4802

The impact of CVE-2023-4802 is rated as medium severity with a base score of 4.8 according to CVSS v3.1 metrics. This vulnerability can lead to unauthorized script execution and potentially compromise the confidentiality and integrity of the affected system.

Technical Details of CVE-2023-4802

This section delves into the technical aspects of CVE-2023-4802, providing insights into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability stems from improper neutralization of input during web page generation (CWE-79) specifically in the UpdateInstalledSoftware endpoint of the ITM Server's web console.

Affected Systems and Versions

All versions of the ITM Server prior to 7.14.3.69 are affected by this cross-site scripting vulnerability, putting them at risk of exploitation.

Exploitation Mechanism

The vulnerability can be exploited by an authenticated administrator leveraging the UpdateInstalledSoftware endpoint to run arbitrary JavaScript within another administrator's browser, potentially leading to unauthorized access and data manipulation.

Mitigation and Prevention

To safeguard systems against CVE-2023-4802, it is crucial to take immediate steps, adopt long-term security practices, and ensure timely patching and updates.

Immediate Steps to Take

Disable or restrict access to the affected UpdateInstalledSoftware endpoint.
Implement input validation mechanisms to prevent script injection.
Educate administrators on safe browsing practices and phishing awareness.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Stay informed about security advisories and updates from vendors.
Keep systems updated with the latest security patches and configurations.

Patching and Updates

Proofpoint may release patches or updates to address CVE-2023-4802. It is imperative for organizations to apply these patches promptly to mitigate the risk of exploitation and enhance the overall security posture of the ITM Server.