CVE-2023-39362 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2023-39362, an authenticated command injection vulnerability in SNMP options of a Device affecting Cacti.

Understanding CVE-2023-39362

This CVE involves an OS command injection vulnerability in Cacti 1.2.24 version, allowing an authenticated user to execute remote code by injecting a malicious string in SNMP options.

What is CVE-2023-39362?

CVE-2023-39362 is an OS command injection vulnerability in Cacti's SNMP functionality, potentially leading to remote code execution by malicious users with elevated privileges.

The Impact of CVE-2023-39362

This vulnerability can be exploited by authenticated users to compromise the integrity, confidentiality, and availability of the affected system, posing a high risk of unauthorized code execution.

Technical Details of CVE-2023-39362

In Cacti 1.2.24, a flaw in the

lib/snmp.php

file allows attackers to inject commands, exploiting the SNMP options, ultimately leading to remote code execution. The vulnerability has been patched in version 1.2.25.

Vulnerability Description

The vulnerability arises from improper neutralization of special elements used in an OS command, enabling unauthorized code execution through SNMP options.

Affected Systems and Versions

Cacti versions prior to 1.2.25 are affected by this vulnerability, making systems running these versions susceptible to exploitation.

Exploitation Mechanism

Malicious actors with elevated privileges can leverage the SNMP functionality in Cacti 1.2.24 to inject commands, leading to unauthorized remote code execution.

Mitigation and Prevention

To address CVE-2023-39362, users are strongly advised to update their Cacti installation to version 1.2.25 to mitigate the vulnerability and prevent potential exploitation.

Immediate Steps to Take

Immediately upgrade Cacti to version 1.2.25 to safeguard systems from exploitation and prevent unauthorized command injection through SNMP options.

Long-Term Security Practices

Regularly monitor security advisories and promptly apply software updates to ensure systems are protected against known vulnerabilities and threats.

Patching and Updates

Stay informed about security patches and updates released by Cacti to address potential vulnerabilities and enhance the security posture of your environment.