CVE-2023-4767 : Vulnerability Insights and Analysis

This CVE-2023-4767 affects ManageEngine Desktop Central version 9.1.0 with a CRLF injection vulnerability that could be exploited by a remote attacker to inject arbitrary HTTP headers and perform HTTP response splitting attacks. The CVE was published on November 3, 2023, by INCIBE.

Understanding CVE-2023-4767

This section dives into the details of CVE-2023-4767, including its impact and technical aspects.

What is CVE-2023-4767?

CVE-2023-4767 is classified as an Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability, specifically found in ManageEngine Desktop Central version 9.1.0. This type of vulnerability could potentially lead to serious security risks if exploited by attackers.

The Impact of CVE-2023-4767

The impact of this vulnerability is rated as medium severity with a CVSS base score of 6.1. It allows a remote attacker to manipulate HTTP headers and conduct HTTP response splitting attacks, which could compromise the integrity and confidentiality of the affected system.

Technical Details of CVE-2023-4767

In this section, we discuss the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in ManageEngine Desktop Central version 9.1.0 allows remote attackers to inject arbitrary HTTP headers and execute HTTP response splitting attacks via the fileName parameter in a specific file.

Affected Systems and Versions

ManageEngine Desktop Central version 9.1.0 is the only confirmed affected version by this CVE. Users of this version are at risk of exploitation if the necessary precautions are not taken.

Exploitation Mechanism

By manipulating the fileName parameter in the "/STATE_ID/1613157927228/InvSWMetering.csv" path, remote attackers can inject malicious HTTP headers, leading to potential HTTP response splitting attacks.

Mitigation and Prevention

To address CVE-2023-4767, users and organizations can take immediate steps, implement long-term security practices, and apply necessary patches and updates.

Immediate Steps to Take

Users of ManageEngine Desktop Central version 9.1.0 should consider upgrading to the latest version to eliminate the vulnerability. Additionally, monitoring network traffic for any suspicious activity is recommended.

Long-Term Security Practices

Enforcing secure coding practices, conducting regular security audits, and educating users on safe browsing habits can help prevent similar vulnerabilities in the future.

Patching and Updates

ManageEngine has released a fix for this vulnerability in the latest version of Desktop Central. Users are advised to promptly apply the necessary updates to ensure their systems are protected from potential exploitation.