CVE-2023-4768 : Security Advisory and Response

This CVE-2023-4768 relates to an Improper Neutralization of CRLF Sequences vulnerability found in ManageEngine Desktop Central.

Understanding CVE-2023-4768

This vulnerability allows a remote attacker to inject arbitrary HTTP headers and perform HTTP response splitting attacks via the fileName parameter in the application.

What is CVE-2023-4768?

CVE-2023-4768 is an Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability identified in ManageEngine Desktop Central version 9.1.0. This flaw could be exploited by a remote attacker to manipulate HTTP headers and conduct malicious activities.

The Impact of CVE-2023-4768

The impact of this vulnerability is rated as medium severity with a CVSS base score of 6.1. If successfully exploited, an attacker could conduct command delimiters attacks (CAPEC-15) due to the improper neutralization of CRLF sequences.

Technical Details of CVE-2023-4768

This section covers specific technical aspects of the vulnerability.

Vulnerability Description

The vulnerability lies in the fileName parameter of ManageEngine Desktop Central, enabling attackers to inject arbitrary HTTP headers and execute HTTP response splitting attacks.

Affected Systems and Versions

Only version 9.1.0 of ManageEngine Desktop Central is affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited remotely by manipulating the fileName parameter to execute HTTP response splitting attacks, potentially leading to unauthorized actions.

Mitigation and Prevention

To address CVE-2023-4768, it is crucial to take immediate action and establish long-term security measures.

Immediate Steps to Take

Users are advised to update their ManageEngine Desktop Central to the latest version where the vulnerability has been patched. Additionally, monitoring network traffic for suspicious activities can help detect potential exploits.

Long-Term Security Practices

Implementing strong input validation mechanisms and conducting regular security audits can enhance the overall security posture of the systems and mitigate similar vulnerabilities in the future.

Patching and Updates

The vendor, ManageEngine, has released a fix for this vulnerability in the latest version of Desktop Central. It is recommended to apply patches promptly and stay updated with security releases to prevent exploitation of known vulnerabilities.